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Publications by Donald A. Bryant

2007

Gomez Maqueo Chew, A. and D. A. Bryant. Characterization of a plant-like protochlorophyllide a divinyl reductase in green sulfur bacteria. J. Biol. Chem. 282:2967-2975.

Woodger, F. J., D. A. Bryant, and G. D. Price. Transcriptional regulation of the CO2-concentrating mechanism in the euryhaline, coastal-marine cyanobacterium, Synechococcus sp. PCC7002: role of NdhR/CcmR. J. Bacteriol. 189:3335-3347.

Antonkine, M. L., E. M. Maes, R. S. Czernuszewicz, C. Brietenstein, E. Bill, C. F. Falzone, R. Balasubramanian, F. Yang, D. A. Bryant, and J. H. Golbeck. Chemical rescue of a site-modified ligand to a [4Fe-4S] cluster in a bacterial di-cluster ferredoxin. Biochim. Biophys. Acta 1767:712-724.

Klatt, C. G., D. A. Bryant, and D. M. Ward. Comparative genomics provides evidence for the 3-hydroxypropionate autotrophic pathway in filamentous anoxygenic phototrophic bacteria and in hot spring microbial mats. Environ. Microbiol. 9:2067-2078.

Kim, H., H. Li, J. A. Maresca, D. A. Bryant, and S. Savikhin. Triplet exciton formation as a novel photoprotection mechanism in chlorosomes of Chlorobium tepidum. Biophys. J. 93:192-201.

Ikonen, T. P., H. Li, J. Psencik, P. Laurinmaki, S. J. Butcher, N.-U. Frigaard, R. E. Serimaa, D. A. Bryant, and R. Tuma. X-ray scattering and electron cryomicroscopy study on the effect of carotenoid biosynthesis to the structure of Chlorobium tepidum chlorosomes. Biophys. J. 93:620-628.

Gomez Maqueo Chew, A. and D. A. Bryant. Chlorophyll biosynthesis in bacteria: the origins of structural and functional diversity. Annu. Rev. Microbiol. 61:113-129.

Inoue-Sakamoto, K., T. M. Gruber, S. K. Christensen, T. Sakomoto, and D. A. Bryant. Group 3 sigma factors in the marine cyanobacterium Synechococcus sp. PCC 7002 are required for growth at low temperature. J. Gen. Appl. Microbiol. 53:89-104.

Bryant, D. A., A. M. Garcia Costas, J. A. Maresca, A. Gomez Maqueo Chew, C. G. Klatt, M. M. Bateson, L. J. Tallon, J. Hostetler, W. C. Nelson, J. F. Heidelberg, and D. M. Ward. “Candidatus Chloracidobacterium thermophilum”: an aerobic phototrophic acidobacterium. Science 317:523-526.

Maresca, J. A., J. E. Graham, M. Wu, J. A. Eisen, and D. A. Bryant. Identification of a fourth family of lycopene cyclases in photosynthetic bacteria. Proc. Natl. Acad. Sci. USA 104:11784-11789.

Gomez Maqueo Chew, A., N.-U. Frigaard, and D. A. Bryant. Bacteriochlorophyllide c C-82 and C-121 methyltransferases are essential for adaptation to low light in Chlorobaculum tepidum. J. Bacteriol. 189:6176-6184.

Shen, G., R. Balasubramanian, T. Wang, Y. Wu, L. M. Hoffart, C. Krebs, D. A. Bryant, and J. H. Golbeck. SufR coordinates two [4Fe-4S]2+,1+ clusters and functions as a transcriptional repressor of the sufBCDS operon and an autoregulator of sufR in cyanobacteria. J. Biol. Chem. 282:31909-31919.

Oostergetel, G. T., M. Reus, A. Gomez Maqueo Chew, D. A. Bryant, E. J. Boekema, and A. R. Holzwarth. Long-range organization of bacteriochlorophyll in chlorosomes of Chlorobium tepidum investigated by cryo-electron microscopy. FEBS Lett. 581:5435-5439.

2006

Nomura, C. T., S. Persson, G. Shen, K. Inoue-Sakamoto, and D. A. Bryant. Characterization of two cytochrome oxidase operons in the marine cyanobacterium Synechococcus sp. PCC 7002. Inactivation of ctaDI affects the PS I:PS II ratio. Photosynthesis Res. 87:215-228.

Balasubramanian, R., G. Shen, D. A. Bryant, and J. H. Golbeck. Regulatory roles for IscA and SufA in iron homeostasis and redox stress responses in the cyanobacterium Synechococcus sp. strain PCC 7002. J. Bacteriol. 188:3182-3191.

Sakuragi, Y., H. Maeda, D. DellaPenna, and D. A. Bryant. a-Tocopherol plays a role in photosynthesis and macronutrient homeostasis that is independent of its antioxidant function in the cyanobacterium Synechocystis sp. PCC 6803. Plant Physiol. 141:508-521.

Ley, R. E., J. K. Harris, J. Wilcon, J. R. Spear, S. R. Miller, B. M. Bebout, J. A. Maresca, D. A. Bryant, and N. R. Pace. Unexpected diversity and complexity from the Guerrero Negro hypersaline microbial mat. Appl. Environ. Microbiol. 72:3685-3695.

Nomura, C. T., T. Sakamoto, and D. A. Bryant. Roles for heme-copper oxidases in extreme high light and oxidative stress response in the cyanobacterium Synechococcus sp. PCC 7002. Arch. Microbiol. 185:471-479.

Shen, G., N. A. Saunée, S. R. Williams, E. F. Gallo, W. M. Schluchter, and D. A. Bryant. Identification and characterization of a new class of bilin lyase: the cpcT gene encodes a bilin lyase responsible for attachment of phycocyanobilin to Cys-153 on the b-subunit of phycocyanin in Synechococcus sp. PCC 7002. J. Biol. Chem. 281:17768-17778.

Li, H., N.-U. Frigaard, and D. A. Bryant. Molecular contacts for chlorosome envelope proteins revealed by cross-linking studies with chlorosomes from Chlorobium tepidum. Biochemistry 45: 9095-9103.

Bryant, D. A. and N.-U. Frigaard. Prokaryotic photosynthesis and phototrophy illuminated. Trends Microbiol. 14:488-496.

Maresca, J. A. and D. A. Bryant. Identification of two genes encoding new carotenoid-modifying enzymes in the green sulfur bacterium Chlorobium tepidum. J. Bacteriol. 188:6217-6223.

Sakuragi, Y. and D. A. Bryant. Genetic manipulation of quinone biosynthesis in cyanobacteria. In: Advances in Photosynthesis and Respiration, Photosystem I: The light-driven plastocyanin:ferredoxin oxidoreductase in photosynthesis. (J. H. Golbeck, ed.), vol. 24, pp. 205-222, Springer, Dordrecht, The Netherlands.

Shively, J. B., G. C. Cannon, D. A. Bryant, S. DasSarma, D. Bazylinski, J. Preiss, A. Steinbüchel, and R. Docampo. Bacterial Inclusions. In: Encyclopedia of Life Sciences, Nature Publishing Group, Macmillan Reference Ltd., London, United Kingdom. http://www.els.net/.

Frigaard, N.-U. and D. A. Bryant. Chlorosomes: antenna organelles in green photosynthetic bacteria. In: Complex Intracellular Structures in Prokaryotes, Microbiology Monographs. (J. M. Shively, ed.), vol. 2, pp. 79-114, Springer, Berlin, Germany.

Frigaard, N.-U., A. Gomez Maqueo Chew, J. A. Maresca, and D. A. Bryant. Bacteriochlorophyll biosynthesis in green bacteria. In: Advances in Photosynthesis and Respiration. Chlorophylls and Bacteriochlorophylls: Biochemistry, Biophysics, Functions and Applications. (B. Grimm, R. Porra, W. Rüdiger, and H. Scheer, eds.), vol. 25, pp. 201-221, Springer, Dordrecht, The Netherlands.

2005

Zambelli, B., M. Stola, K. De Vriendt, B. Samyn, B. Devreese, J. Van Beeumen, P. Turano, A. Dikiy, D. A. Bryant, and S. Ciurli. UreG, a chaperone in the urease assembly process, is an intrinsically unstructured GTPase that specifically binds Zn2+. J. Biol. Chem. 280:4684-4695.

Maeda, H., Y. Sakuragi, D. A. Bryant, and D. DellaPenna. Tocopherols are essential in protecting Synechocystis sp. strain PCC 6803 from lipid peroxidation. Plant Physiol. 138:1422-1435.

Sakuragi, Y., B. Zybailov, G. Shen, D. A. Bryant, J. H. Golbeck, B. A. Diner, I. Karygina, Y. Pushkar, and D. Stehlik. Recruitment of a foreign quinone into the A1 site of Photosystem I. Characterization of a menB rubA double mutant in Synechococcus sp. PCC 7002 devoid of FX, FA and FB and containing plastoquinone or exchanged 9,10-anthraquinone. J. Biol. Chem. 280: 12371-12381.

Frigaard, N.-U., H. Li, P. Martinsson, S. K. Das, H. A. Frank, T. J. Aartsma, and D. A. Bryant. Isolation and characterization of carotenosomes from a bacteriochlorophyll c-less mutant of Chlorobium tepidum. Photosynthesis Res. 86:101-111.

Shively, J. B., G. C. Cannon, D. A. Bryant, S. DasSarma, D. Bazylinski, J. Preiss, A. Steinbüchel, and R. Docampo. Bacterial Inclusions. In: Encyclopedia of Life Sciences, Nature Publishing Group, Macmillan Reference Ltd., London, United Kingdom. http://www.els.net/

Mimuro, M., T. Tsuchiya, Y. Itoh, H. Inoue, T. Gotoh, Y. Sakuragi, H. Miyashita, T. Yamashita, D. A. Bryant, and M. Kobayashi. The secondary electron acceptor of photosystem I in Gloeobacter violaceus PCC 7421 is menaquinone-4. FEBS Lett. 279:3493-3496.

Maresca, J. A., N.-U. Frigaard, and D. A. Bryant. Identification of a novel class of lycopene cyclases in photosynthetic bacteria. In: Photosynthesis: Fundamental Aspects to Global Perspectives, Proceedings of the XIIIth International Congress on Photosynthesis, Montreal. (A. van der Est and D. Bruce, eds.), pp. 884-886, Allen Press, Lawrence, KA.

Gomez Maqueo Chew, A., N.-U. Frigaard, and D. A. Bryant. Characterization of BchV, a C-31 hydratase specific for hypermethylated bacteriochlorophyll c in Chlorobium tepidum. In: Photosynthesis: Fundamental Aspects to Global Perspectives, Proceedings of the XIIIth International Congress on Photosynthesis, Montreal. (A. van der Est and D. Bruce, eds.), pp. 875-877, Allen Press, Lawrence, KA.

Li, H., N.-U. Frigaard, and D. A. Bryant. Locations and interactions of chlorosome proteins on the chlorosome envelope in Chlorobium tepidum: Insights from cross-linking experiments. In: Photosynthesis: Fundamental Aspects to Global Perspectives, Proceedings of the XIIIth International Congress on Photosynthesis, Montreal. (A. van der Est and D. Bruce, eds.), pp. 116-119, Allen Press, Lawrence, KA.

Shen, G., R. Balasubramanian, T. Wang, B. Tirupati, J. M. Bollinger, J. H. Golbeck, and D. A. Bryant. Functional genomics of genes for biogenesis of Fe-S proteins in cyanobacteria. In: Photosynthesis: Fundamental Aspects to Global Perspectives, Proceedings of the XIIIth International Congress on Photosynthesis, Montreal. (A. van der Est and D. Bruce, eds.), pp. 882-884, Allen Press, Lawrence, KA.

Balasubramanian, R., G. Shen, J. H. Golbeck, and D. A. Bryant. SufR is a [4Fe-4S] protein that functions as a negative transcriptional regulator of the suf regulon in cyanobacteria. In: Photosynthesis: Fundamental Aspects to Global Perspectives, Proceedings of the XIIIth International Congress on Photosynthesis, Montreal. (A. van der Est and D. Bruce, eds.), pp. 66-68, Allen Press, Lawrence, KA.

Stehlik, D., J. Pushkar, I. Karyagina, S. Brown, D. Bryant, and J. Golbeck. Control of function by protein-cofactor interaction in the electron transfer reactions of photosystem I. In: Photosynthesis: Fundamental Aspects to Global Perspectives, Proceedings of the XIIIth International Congress on Photosynthesis, Montreal. (A. van der Est and D. Bruce, eds.), pp. 25-27, Allen Press, Lawrence, KA.

Bryant, D. A., N.-U. Frigaard, J. A. Maresca, A.Gomez Maqueo Chew, and T. Li. Chlorophyll and carotenoid biosynthesis in green sulfur bacteria: a genomic perspective. In: Photosynthesis: Fundamental Aspects to Global Perspectives, Proceedings of the XIIIth International Congress on Photosynthesis, Montreal. (A. van der Est and D. Bruce, eds.), pp. 866-869, Allen Press, Lawrence, KA.

2004

Frigaard, N.-U., Y. Sakuragi, and D.A. Bryant. Gene inactivation in the cyanobacterium Synechococcus sp. PCC 7002 and the green sulfur bacterium Chlorobium tepidum using in vitro-made DNA constructs and natural transformation. In: Photosynthesis Research Protocols. (R. Carpentier, ed.), pp. 325-340, Humana Press, Totowa, NJ.

Frigaard, N.-U., H. Li, K.J. Milks, and D.A. Bryant. Nine mutants of Chlorobium tepidum each unable to synthesize a different chlorosome protein still assemble functional chlorosomes. J. Bacteriol. 186:646-653.

Wang, T., G. Shen, R. Balasubramanian, L. McIntosh, D.A. Bryant, and J.H. Golbeck. The sufR gene (sll0088 in Synechocystis sp. Strain PCC 6803) functions as a repressor of the sufBCDS operon in iron-sulfur cluster biogenesis in cyanobacteria. J. Bacteriol. 186:956-967.

van der Est, A., A.I. Valieva, Y.E. Kandrashkin, G. Shen, D.A. Bryant, and J.H. Golbeck. Removal of PsaF alters forward electron transfer in Photosystem I: Evidence for fast reoxidation of Q_K-A in subunit deletion mutants of Synechococcus sp. PCC 7002. Biochemistry 43:1264-1275.

Maresca, J.A., A. Gomez Maqueo Chew, M.R. Ponsatí, N.-U. Frigaard, J.G. Ormerod, and D.A. Bryant. The bchU gene of Chlorobium tepidum encodes the C-20 methyltransferase in bacteriochlorophyll c biosynthesis. J. Bacteriol. 186:2558-2566.

Frigaard, N.-U., J.A. Maresca, C.E. Yunker, A.D. Jones, and D.A. Bryant. Genetic manipulation of carotenoid biosynthesis in the green sulfur bacterium Chlorobium tepidum. J. Bacteriol. 186:5210-5220.

Frigaard, N.-U. and D.A. Bryant. Seeing green bacteria in a new light: genomics-enabled studies of the photosynthetic apparatus in green sulfur bacteria and filamentous anoxygenic phototrophic bacteria. Arch. Microbiol. 182:265-276.

2003

Frigaard, N.-U., A. Gomez Maqueo Chew, H. Li, J.A. Maresca, and D.A. Bryant. Chlorobium tepidum: insights into the physiology and biochemistry of green sulfur bacteria from the complete genome sequence. Photosynth. Res. 78:93-117.

Yu, J., G. Shen, T. Wang, D.A. Bryant, J.H. Golbeck, and L. McIntosh. Suppressor mutations in the study of Photosystem I biogenesis: sll0088 is a previously unidentified gene involved in reaction center accumulation in Synechocystis sp. Strain PCC 6803. J. Bacteriol. 185:3878-3887.

Bryant, D.A. The beauty in small things revealed. Proc. Natl. Acad. Sci. USA 100:9647-9649.

Huang, C., X. Yuan, J. Zhao, and D.A. Bryant. Kinetic analyses of state transitions of the cyanobacterium Synechococcus sp. PCC 7002 and its mutant strains impaired in electron transport. Biochim. Biophys. Acta 1607:121-130.

Gómez-Lojero, C., B. Pérez-Gómez, G. Shen, W.M. Schluchter, and D.A. Bryant. Interaction of ferredoxin:NADP⁺ oxidoreductase with phycobilisomes and phycobilisome substructures of Synechococcus sp. strain PCC 7002. Biochemistry 42:13800-13811.

Cheng, Z., S. Sattler, H. Maeda, Y. Sakuragi, D.A. Bryant, and D. DellaPenna. Highly divergent methyltransferases catalyze a conserved reaction in tocopherol and plastoquinone synthesis in cyanobacteria and photosynthetic eukaryotes. Plant Cell 15:2343-2356.

2002

Vassilieva, E.V., J.G. Ormerod, and D.A. Bryant. Biosynthesis of chlorosome proteins is not inhibited in acetylene-treated cultures of Chlorobium vibrioforme. Photosynth. Res. 71:69-81.

Antonkine, M.L., G. Liu, D. Bentrop, I. Bertini, C. Luchinat, D. A. Bryant, J.H. Golbeck, and D. Stehlik. Solution structure of the unbound, oxidized photosystem I subunit PsaC, containing [4Fe-4S] clusters F_A and F_B. Conformational change upon binding to Photosystem I. J. Biol. Inorg. Chem. 7:461-472.

Sakuragi, Y., B. Zybailov, G. Shen, A.D. Jones, P.R. Chitnis, A. van der Est, R. Bittl, S. Zech, D. Stehlik, J.H. Golbeck, and D.A. Bryant. Insertional inactivation of the menG Gene, encoding 2-phytyl-1,4-naphthoquinone methyltransferase of Synechocystis sp. PCC 6803, results in the incorporation of 2-phytyl-1,4-naphthoquinone into the A₁ site and alteration of the equilibrium constant between A₁ and F_X in Photosystem I. Biochemistry. 41:394-405.

Eisen, J.A., K.E. Nelson, I.T. Paulsen, J.F. Heidelberg, M. Wu, R.J. Dodson, R. Deboy, M.L. Gwinn, W.C. Nelson, D.H. Haft, E.K. Hickey, J.D. Peterson, A.S. Durkin, J.L. Kolonay, F. Yang, I. Holt, L.A. Umayam, T. Mason, M. Brenner, T.P. Shea, D. Parksey, T.V. Feldblyum, C.L. Hansen, M.B. Craven, D. Radune, H. Khouri, C.Y. Fujii, O. White, J.C. Venter, N. Volfovsky, T.M. Gruber, K.A. Ketchum, H. Tettelin, D.A. Bryant, and C.M. Fraser. The complete genome sequence of the green sulfur bacterium Chlorobium tepidum. Proc. Natl. Acad. Sci. USA. 99:9509-9514.

Vassilieva, E.V., V.L. Stirewalt, C.U. Jakobs, N.-U. Frigaard, M.A. Baker, A. Sotak, and D.A. Bryant. Cellular localization of chlorosome proteins in Chlorobium tepidum. Cloning and characterization of genes encoding CsmH, CsmF, and three additional chlorosome-associated polypeptides. Biochemistry. 41:4358-4370.

Safarov, N., S. Miletti, S. Ciurli, S.K. Christensen, K. Kornetzky, D.A. Bryant, I. Vendenberghe, B. Devreese, H. Remaut, and J. V. Van Beeumen. Molecular characterization of Bacillus pasteurii UreE, a metal-binding chaperone for assembly of the urease active site. J. Biol. Inorg. Chem. 7:623-631.

Frigaard, N.-U., G.D. Voigt, and D.A. Bryant. A bacteriochlorophyll c-less mutant of Chlorobium tepidum made by inactivation of the bchK gene encoding bacteriochlorophyll c synthase. J. Bacteriol. 184:3368-3376.

Scott, N.L., C.J. Falzone, D.A. Vuletich, J. Zhao, D.A. Bryant, and J.T.J. Lecomte. Truncated hemoglobin from the cyanobacterium Synechococcus sp. PCC 7002. Evidence for hexacoordination and covalent adduct formation in the ferric recombinant protein. Biochemistry. 41:6902-6910.

Shen, G., J. Zhao, S.K. Reimer, M.L. Antonkine, Q. Cai, S.M. Weiland, J.H. Golbeck, and D. A. Bryant. Assembly of [4Fe-4S] clusters in Photosystem I. I. Inactivation of the rubA gene encoding a membrane-associated rubredoxin in the cyanobacterium Synechococcus sp. PCC 7002 causes a loss of photosystem I activity. J. Biol. Chem. 277:20343-20354.

Shen, G., M.L. Antonkine, A. van der Est, I.R. Vassiliev, K. Brettel, R. Bittl, S.G. Zech, J. Zhao, D. Stehlik, D. A. Bryant, and J.H. Golbeck. Assembly of [4Fe-4S] clusters in Photosystem I. II. Rubredoxin is required for the in vivo assembly of F_X in Synechococcus Sp. PCC 7002 as shown by optical and EPR spectroscopy. J. Biol. Chem. 277:20355-20366.

Sakamoto, T., and D. A. Bryant. Synergistic effect of high-light and low temperature on cell growth of the Δ12 fatty acid desaturase mutant in Synechococcus sp. PCC 7002. Photosynth. Res. 42:231-242.

Camarero, J.A., A. Shekhtman, E.A. Campbell, M. Chlenov, T.M. Gruber, D. A. Bryant, S.A. Darst, D. Cowburn, and T.W. Muir. Autoregulation of a bacterial sigma factor explored by using segmental isotopic labeling and NMR. Proc. Natl. Acad. Sci. USA. 99:8536-8541.

Bryant, D.A., N.-U. Frigaard, E.V. Vassilieva, and H. Li. Selective protein extraction from chlorosomes of Chlorobium tepidum using detergents: evidence that CsmA forms multimers and binds bacteriochlorophyll a. Biochemistry. 41:14403-14411.

Schluchter, W.M., and D.A. Bryant. Analysis and reconstitution of phycobiliproteins: methods for the characterization of bilin attachment reactions. In: Analytical Methods for Chlorophyll, Heme, and Related Molecules. (M. Witty and A. Smith, eds.), pp. 311-334, Humana Press, Totowa, NJ.

Frigaard, N.-U., E.V. Vassilieva, H. Li, K.J. Milks, J. Zhao, and D. A. Bryant. The remarkable chlorosome. In: PS2001 Proceedings, 12^th International Congress on Photosynthesis, Brisbane, Australia. Article S1-003. CSIRO Publishing, Canberra, Australia.

2001

Vassilieva, E.V., M.L. Antonkine, B.L. Zybailov, F. Yang, C.U. Jakobs, J.H. Golbeck, and D.A. Bryant. Electron transfer may occur in the chlorosome envelope: The CsmI and CsmJ proteins of chlorosomes are [2Fe-2S] ferredoxins. Biochemistry. 40:464-473.

Frigaard, N.-U., and D.A. Bryant. Chromosomal gene inactivation in the green sulfur bacterium Chlorobium tepidum by natural transformation. Appl. Environ. Microbiol. 67:2538-2544.

Zhao, J., G. Shen, and D.A. Bryant. Photosystem stoichiometry and state transitions in a mutant of the cyanobacterium Synechococcus sp. PCC 7002 lacking phycocyanin. Biochim. Biophys. Acta. 1505:248-257.

Bertini, I., D.A. Bryant, S. Ciurli, A. Dikiy, C.O. Fernández, C. Luchinat, N. Safarov, A.J. Vila, and J. Zhao. Backbone dynamics of plastocyanin in both oxidation states: Solution structure of the reduced form and comparison with the oxidized state. J. Biol. Chem. 276:47217-47226.

Sakuragi, Y., B. Zybailov, A.D. Jones, P.R. Chitnis, R. Bittl, S. Zech, D. Stehlik, J.H. Golbeck, and D.A. Bryant. Insertional inactivation of the menG Gene, encoding 2-phytyl-1,4-naphthoquinone methyltransferase of Isynechocystis sp. PCC 6803, results in the incorporation of 2-phytyl-1, 4-naphthoquinone into the A₁ site and alteration of the equilibrium constant between A₁ and F_x in Photosystem I. Biochemistry. 41:394-405.

Sakamoto, T., and D.A. Bryant. Requirement of nickel as an essential micronutrient for the utilization of urea in the marine cyanobacterium Synechococcus sp. PCC 7002. Microbes Environ. 16:177-184.

2000

Johnson, W., G. Shen, B. Zybailov, D. Kolling, R. Reategui, S. Beauparlant, I.R.Vassiliev, D.A. Bryant, A.D. Jones, J.H. Golbeck, and P. Chitnis. Mutagenesis of the menA and menB Genes in the Biosynthetic Pathway to Phylloquinone in Synechocystis sp. PCC 6803. I. Recruitment of a Foreign Quinone into the A₁ Site of Photosystem I. J. Biol. Chem. 275:8523-8530.

Antonkine, M.L., D. Bentrop, I. Bertini, C. Luchinat, G. Shen, D.A. Bryant, D. Stehlik, and J.H. Golbeck. Paramagnetic ¹H NMR Spectroscopy of the Reduced Unbound Photosystem I Subunit PsaC: Sequence Specific Assignment of Contact Shifted Resonances and Identification of Mixed and Equal Valence Fe-Fe Pairs in [4Fe-4S] Centers FA- and FB-. J. Bioinorg. Chem. 5:381-392.

Bhaya, D., N.R. Bianco, D.A. Bryant, and A.R. Grossman. Type IV Pilus Biogenesis and Motility in the Cyanobacterium Synechocystis sp. PCC 6803. Mol. Microbiol. 37:941-951.

Vassilieva, E.V., N.-U. Frigaard, and D.A. Bryant. Chlorosomes: The Light-harvesting Antennae of Green Bacteria. The Spectrum 13:7-13.

1999

Gruber, T.M. and D.A. Bryant. An Overview of Sigma Factors of RNA Polymerase in Phototrophic Bacteria. In: The Phototrophic Prokaryotes, (G.A. Peschek, W. Löffelhardt, and G. Schmetterer, eds.), pp. 791-798, Plenum, Vienna.

Gruber, T.M. and D.A. Bryant. Tracing the Relationships Among the Eubacteria Using s⁷⁰-type Sigma Factors. In: Enigmatic Microorganisms and Life in Extreme Environments, (J. Seckbach, ed.), pp. 3-13, Kluwer, Dordrecht, Netherlands.

Mayer, K.L., G. Shen, D.A. Bryant, J.T.J. Lecomte, and C.J. Falzone. The Solution Structure of Photosystem I Accessory Protein E from the Cyanobacterium Nostoc sp. strain PCC 8009. Biochemistry 38:13736-13746.

Nomura, C. and D.A. Bryant. Cytochrome c₆ from Synechococcus sp. PCC 7002. In: The Phototrophic Prokaryotes, (G.A. Peschek, W. Löffelhardt, and G. Schmetterer, eds.), pp. 269-274, Plenum, Vienna.

Sakamoto, T. and D.A. Bryant. A Novel Nitrate/Nitrite Permease in the Marine Cyanobacterium Synechococcus sp. strain PCC 7002. J. Bacteriol. 181:7363-7372.

Sakamoto, T. and D.A. Bryant. Nitrate Transport and not Photoinhibition is the Rate-limiting Step for Growth of the Freshwater Cyanobacterium Synechococcus sp. PCC 6301 at Low Temperature. Plant Physiol. 119:785-794.

Yang, F., G. Shen, W.M. Schluchter, B. Zybailov, A. Ganago, J.H. Golbeck, and D.A. Bryant. Structural and Functional Analyses of Cyanobacterial Photosystem I: The Directionality of Electron Transfer. In: The Phototrophic Prokaryotes, (G.A. Peschek, W. Löffelhardt, and G. Schmetterer, eds.), pp. 21-33, Plenum, Vienna.

1998

Chung, S., G. Shen, J.G. Ormerod, and D.A. Bryant. Insertional Inactivation Studies of the csmA and csmC Genes of the Green Sulfur Bacterium Chlorobium vibrioforme 8327: The Chlorosome Protein CsmA is Required for Viability but CsmC is Dispensable. FEMS Microbiol. Lett. 164:353-361.

Gruber, T.M. and D.A. Bryant. An Overview of Sigma Factors of RNA Polymerase in Phototrophic Bacteria. In: The Phototrophic Prokaryotes. (G. A. Peschek, W. Löffelhardt, and G. Schmetterer, eds.), pp. 791-798, Plenum, Vienna.

Gruber, T.M. and D.A. Bryant. Characterization of the Alternative Sigma Factors SigD and SigE in Synechococcus sp. strain PCC 7002. SigE is Implicated in Transcription of Post-exponential Phase-specific Genes. Arch. Microbiol. 169:211-219.

Gruber, T.M. and D.A. Bryant. Characterization of the Group 1 and Group 2 Sigma Factors of the Green Sulfur Bacterium Chlorobium tepidum and the Green Gliding Bacterium Chloroflexus aurantiacus. Arch. Microbiol. 170:285-296.

Gruber, T.M., J.A. Eisen, K. Gish, and D.A. Bryant. The Phylogenetic Relationships of Chlorobium tepidum and Chloroflexus aurantiacus Based Upon Their RecA Sequences. FEMS Microbiol. Lett. 162:53-60.

Nomura, C. and D.A. Bryant. Cytochrome c6 from Synechococcus sp. PCC 7002. In: The Phototrophic Prokaryotes, (G. A. Peschek, W. Löffelhardt, and G. Schmetterer, eds.), pp. 269-274. Plenum, Vienna.

Sakamoto, T. and D.A. Bryant. Growth at Low Temperature Causes Nitrogen Limitation in the Cyanobacterium Synechococcus sp. PCC 7002. Arch. Microbiol. 169:10-19.

Sakamoto, T., V.B. Delgaizo, and D.A. Bryant. Growth on Urea can Trigger Peroxidative Death of the Cyanobacterium Synechococcus sp. strain PCC 7002. Appl. Envir. Microbiol. 64:2361-2366.

Sakamoto, T., G. Shen, S. Higashi, N. Murata, and D.A. Bryant. Alteration of Low-temperature Susceptibility of the Cyanobacterium Synechococcus sp. PCC 7002 by Genetic Manipulation of Membrane Lipid Unsaturation. Arch. Microbiol. 169:20-28.

Xia, Z., R.W. Broadhurst, E.D. Laue, D.A. Bryant, J.H. Golbeck, and D.S. Bendall. Structure and Properties of PsaD in Solution. Eur. J. Biochem. 255:309-316.

Yang, F., G. Shen, W.M. Schluchter, B. Zybailov, A. Ganago, D.A. Bryant, and J.H. Golbeck. Deletion of the PsaF Polypeptide Modifies the Environment of the Redox-active Phylloquinone (A1). Evidence for Unidirectionality of Electron Transfer in Photosystem I. J. Phys. Chem. 102:8288-8299.

Yang, F., G. Shen, W.M. Schluchter, B. Zybailov, A. Ganago, J.H. Golbeck, and D.A. Bryant. Structural and Functional Analyses of Cyanobacterial Photosystem I: The Directionality of Electron Transfer. In: The Phototrophic Prokaryotes. (G. A. Peschek, W. Löffelhardt, and G. Schmetterer, eds.), pp. 21-33. Plenum, Vienna.

Zhao, J., Li, R. and D.A. Bryant. Measurement of Photosystem I Activity by Photoreduction of Recombinant Flavodoxin. Anal. Biochem. 264:263-270.

1997

Caslake, L., T.M. Gruber, and D.A. Bryant. Expression of Two Alternative Sigma Factors of Synechococcus sp. Strain PCC 7002 is Modulated by Carbon and Nitrogen Stress. Microbiology 143:3807-3818.

Gruber, T.M. and D.A. Bryant. Molecular Systematic Studies of Eubacteria Using s⁷⁰-type Sigma Factors of Group 1 and Group 2. J. Bacteriol. 179:1734-1747.

Löffelhardt, W., W.J. Bohnert, and D.A. Bryant. The Cyanelles of Cyanophora paradoxa. Crit. Rev. Plant Physiol. 16:393-413.

Löffelhardt, W., W.J. Bohnert, and D.A. Bryant. The Complete Sequence of the Cyanophora paradoxa Cyanelle Genome. In: Origins of the Algae and Their Plastids. (D. Bhattacharya, ed.), pp. 149-162, Springer-Verlag, Vienna, Austria.

Löffelhardt, W., V.L. Stirewalt, C.B. Michalowski, M. Annarella, J.Y. Farley, W.M. Schluchter, S. Chung, C. Newmann-Spallart, J.M. Steiner, J. Jakowitsch, H.J. Bohnert, and D.A. Bryant. The Complete Sequence of the Cyanelle Genome of Cyanophora Paradoxa: The Genetic Complexity of a Primitive Plastid. In: Eukaryotism and Symbiosis. (H.E.A. Schenk, R. Herrmann, K.W. Jeon, N.E. Muller, and W. Schwemmler, eds.), pp. 40-48, Springer, Heidelberg, Germany.

Sakamoto, T. and D.A. Bryant. Temperature-regulated mRNA Accumulation and Stabilization for Fatty Acid Desaturase Genes in the Cyanobacterium Synechococcus sp. Strain PCC 7002. Mol. Microbiol. 23:1281-1292.

Sakamoto, T., S. Higashi, H. Wada, N. Murata, and D.A. Bryant. Low-temperature Induced Desaturation of Fatty Acids and Expression of Desaturase Genes in the Cyanobacterium Synechococcus sp. Strain PCC 702. FEMS Microbiol. Lett. 52:313-320.

Sakamoto, T., V.L. Stirewalt, and D.A. Bryant. Two Acyl-lipid 9 Desaturase Genes of the Cyanobacterium Synechococcus sp. PCC 7002. In: Physiology, Biochemistry, and Molecular Biology of Plant Lipids. (J.P. Williams, M.U. Khan, and N.W. Lem, eds.), pp. 380-382, Kluwer Academic, Dordrecht, Netherlands.

1996

Mühlenhoff, U., J. Kruip, W. Nitschke, D.A. Bryant, M. Rögner, P. Sétif, and E. Boekema. Characterization of a Redox Active Cross-linking Complex Between Cyanobacterial Photosystem I and its Physiological Acceptor Flavodoxin. EMBO J. 15:448-497.

Mühlenhoff, U., J. Zhao, and D.A. Bryant. Interaction of Photosystem I and Flavodoxin from the Cyanobacterium Synechococcus sp. PCC 7002 as Revealed by Chemical Cross-linking. Eur. J. Biochem. 325:324-331.

Caslake, L. and D.A. Bryant. Cloning and Characterization of the sigA Gene Encoding the Major Sigma Factor of RNA Polymerase from the Marine Cyanobacterium Synchococcus sp. PCC 7002. Microbiology 142:347-357.

Schluchter, W.M., G. Shen, J. Zhao, and D.A. Bryant. Characterization of psaI and psaL Mutants of Synechococcus sp. PCC 7002: A New Model for State Transitions in Cyanobacteria. Photochem. Photobiol. 64:53-66.

Chung, S. and D.A. Bryant. Characterization of csmB Genes from Chlorobium vibrioforme 8327D and Chlorobium tepidum and Overproduction of the Chlorobium tepidum CsmB Protein in Escherichia coli. Arch. Microbiol. 166:234-244.

Sültemeyer, D., G.D. Price, D.A. Bryant, and M.R. Badger. PsaE- and NdhF-mediated Electron Transport Affect Bicarbonate Transport Rather than Carbon Dioxide Uptake in the Cyanobacterium Synechococcus sp. PCC 7002. Planta Med. 201:36-42.

Jung, Y.-S., I.R. Vassiliev, F. Qiao, F. Yang, D.A. Bryant, and J.H. Golbeck. Modified Ligands to FA and FB in Photosystem I. II. Chemical Rescue of a [4Fe-4S] Cluster Using an External Thiolate in Alanine, Glycine, and Serine Mutants of PsaC. J. Biol. Chem. 271:31135-31144.

Chung, S. and D.A. Bryant. Characterization of the csmD and csmE Genes From Chlorobium Tepidum. The CsmA, CsmC, CsmD, and CsmE Proteins are Components of the Chlorosome Envelope. Photosynth. Res. 50:41-59.

1995

Chung, S., C.U. Jakobs, J.G. Ormerod, and D.A. Bryant. Protein Components of Chlorosomes from Chlorobium tepidum and Interposon Mutagenesis of csmA and csmC from Chlorobium vibrioforme 8327D. In: Photosynthesis: from Light to Biosphere. (P. Mathis, ed.), Vol. I, pp. ll-l6, Kluwer, Dordrecht, Netherlands.

Debreczeny, M.P., K. Sauer, J. Zhou, and D.A. Bryant. Comparison of Calculated and Experimentally Resolved Rate Constants for Excitation Energy Transfer in C-Phycocyanin. 1. Monomers. J. Phys. Chem. 99:8412-8419.

Jung, Y.-S., J. Yu, L. Yu, J. Zhao, D.A. Bryant, L. McIntosh, and J.H. Golbeck. In vivo Site-directed Mutations of the Cysteine Ligands to F_A and F_B in Synechocystis sp. PCC 8603: A Comparison with in vitro Reconstituted Photosystem I Complexes. In: Photosynthesis: from Light to Biosphere. (P. Mathis, ed.), Vol. II, pp. l27-l30, Kluwer, Dordrecht, Netherlands.

Mehari, T., F. Qiao, M.P. Scott, D.F. Nellis, J. Zhao, D.A. Bryant, and J.H. Golbeck. Modified Ligands to F_A and F_B in Photosystem I. I. Structural Constraints for the Formation of Iron-sulfur Clusters in Free and Rebound PsaC. J. Biol. Chem. 270:28108-28117.

Shen, G. and D.A. Bryant. Characterization of a Synechococcus sp. Strain PCC 7002 Mutant Lacking Photosystem I. Protein Assembly and Energy Distribution in the Absence of the Photosystem I Reaction Center Core Complex. Photosynth. Res. 44:41-53.

Shevelev, E., D.A. Bryant, W. Löffelhardt, and H.J. Bohnert. Ribonuclease-P RNA Gene of the Plastid Chromosome from Cyanophora Paradoxa. DNA Res. 2:231-234.

Stirewalt, V.L., C.B. Michalowski, W. Löffelhardt, H.J. Bohnert, and D.A. Bryant. Nucleotide Sequence of the Cyanelle Genome from Cyanophora Paradoxa. Plant Mol. Biol. Reporter 13:327-332.

Xia, Z., R.W. Broadhurst, E.D. Laue, D.A. Bryant, J.H. Golbeck, and D.S. Bendall. Spectroscopic Evidence for the Flexibility of PsaD in Solution. In: Photosynthesis: from Light to Biosphere. (P. Mathis, ed.), Vol. II, pp.74l-744, Kluwer, Dordrecht, Netherlands.

Yu, L., I.R. Vassiliev, Y-S. Jung, D.A. Bryant, and J.H. Golbeck. Modified Ligands to F_A and F_B in Photosystem I. II. Characterization of a Mixed Ligand [4Fe-4S] Cluster in the C51D Mutant of PsaC Upon Rebinding to P700-F_X Cores. J. Biol. Chem. 270:28118-28125.

Yu, L., D.A. Bryant, and J.H. Golbeck. Evidence for a Mixed-Ligand [4Fe-4S] Cluster in the Cl4D Mutant of PsaC. Altered Reduction Potentials and EPR Spectral Properties of the F_A and F_B Clusters on Rebinding to the P700-F_X Core. Biochemistry 34:7861-7868.

1994

Bryant, D.A. Gene Nomenclature Recommendations for Green Photosynthetic Bacteria and Heliobacteria. Photosynth. Res. 4l:27-28.

Bryant, D.A. The Molecular Biology of Cyanobacteria. Kluwer Academic Publishers, Dordrecht, The Netherlands, 908 pp.

Chung, S., G. Frank, H. Zuber, and D.A. Bryant. Genes Encoding Two Chlorosome Proteins from the Green Sulfur Bacteria Chlorobium Vibrioforme Strain 8327D and Chlorobium Tepidum. Photosynth. Res. 4l:26l-275.

Falzone, C.J., Y.-H. Kao, J. Zhao, D.A. Bryant, and J.T.J. Lecomte. The Three-dimensional Solution Structure of PsaE from the Cyanobacterium Synechococcus sp. Strain PCC 7002: A Photosystem I Protein Structurally Homologous with SH3 Domains. Biochemistry. 33:6052-6062.

Falzone, C.J., Y.-H. Kao, J. Zhao, K.L. MacLauglin, D.A. Bryant, and J.T.J. Lecomte. 1H and 15N NMR Assignments of the PsaE, a Photosystem I Subunit from the Cyanobacterium Synechococcus sp. Strain PCC 7002. Biochemistry. 33:6043-605l.

Gindt, Y.M., J. Zhou, D.A. Bryant, and K. Sauer. Spectroscopic Studies of Phycobilisome Subcore Preparations Lacking Key Core Chromophores: Assignment of Excited State Energies to the L_CM, b¹⁸, and a^AP-B Chromophores. Biochim. Biophys. Acta. ll86:153-162.

1993

Rhiel, E. and D.A. Bryant. Nucleotide Sequence of the psaE Gene of Synechococcus sp. PCC 630l. Plant Physiol. 101:701-702.

Dubbs, J.M. and D.A. Bryant. Organization and Transcription of the Genes Encoding Two Differentially Expressed Phycocyanins in the Cyanobacterium Pseudanabaena sp. PCC 7409. Photosynth. Res. 36:169-183.

Schluchter, W.M., J. Zhao, and D.A. Bryant. Isolation and Characterization of the ndhF Gene of Synechococcus sp. PCC 7002 and Initial Characterization of an Interposon Mutant. J. Bacteriol. 175:3343-3352.

Zhao, J., W. Snyder, U. Mühlenhoff, E. Rhiel, P.V. Warren, J.H. Golbeck, and D.A. Bryant. Cloning and Characterization of the psaE Gene of the Cyanobacterium Synechococcus sp. PCC 7002: Overproduction of the Protein in Escherichia coli and Characterization of a psaE Mutant. Mol. Microbiol. 9:183- 194.

Yu, L., J. Zhao, U. Mühlenhoff, P.R. Chitnis, D.A. Bryant, and J.H. Golbeck. PsaE is Required for Cyclic Electron Flow Around Photosystem I in the Cyanobacterium Synechococcus sp. PCC 6803. Plant Physiol. 103:171-180.

Yu, L., J. Zhao, W. Liu, D.A. Bryant, and J.H. Golbeck. Characterization of the [3Fe-4S] and [4Fe-4S] Clusters in Unbound PsaC Mutants Cl4D and C5lD. The Midpoint Potentials of the Single [4Fe-4S] Clusters are Identical to FA and FB in Bound PsaC of Photosystem I. Biochemistry. 32:825l-8258.

Debreczeny, M.P., K. Sauer, J. Zhou, and D.A. Bryant. Monomeric C-phycocyanin at Room Temperature and 77 K: Resolution of the Absorption and Fluorescence Spectra of the Individual Chromophores and the Energy Transfer Rate Constants. J. Phys. Chem. 97:9852-9862.

1992

Lockhart, P.J., C.J. Howe, D.A. Bryant, T.J. Beanland, and A.W.D. Larkum. Substitutional Bias Confounds Inference of Cyanelle Origins from Sequence Data. J. Mol. Evol. 34:153-162.

Rhiel, E., V.L. Stirewalt, G.E. Gasparich, and D.A. Bryant. The psaC Genes of Synechococcus sp. PCC 7002 and the Cyanelle Genome of Cyanophora paradoxa. Gene 112:123-128.

Glauser, M., W. Sidler, K. Graham, D.A. Bryant, G. Frank, E. Wehrli, and H. Zuber. Three C-phycoerythrin Associated Linker Polypeptides in the Phycobilisomes of the Cyanobacterium Calothrix sp. PCC 7601 Grown in Green Light. FEBS Lett. 297:19-23.

Schluchter, W.M. and D.A. Bryant. Molecular Characterization of Ferredoxin-NADP+ Reductase in Cyanobacteria: Cloning and Sequence of the petH Gene of Synechococcus sp. PCC 7002 and Studies on the Gene Product. Biochemistry 31: 3092-3102.

Glauser, M., D.A. Bryant, G. Frank, E. Wehrli, W. Sidler, and H. Zuber. Phycobilisome Structure in the Cyanobacteria Mastigocladus laminosus and Anabaena sp. PCC 7120: A New Model. Eur. J. Biochem. 205:907-915.

Glauser, M., V.L. Stirewalt, D.A. Bryant, W. Sidler, and H. Zuber. Structure of the Genes Encoding the Rod-core Linker Polypeptides of Mastigocladus laminosus Phycobilisomes and Functional Aspects of the Phycobiliprotein-linker Polypeptide Interactions. Eur. J. Biochem. 205:927-937.

Bryant, D.A. Puzzles of Chloroplast Ancestry. Curr. Biol. 2:240-242.

Zhao, J., N. Li, P.V. Warren, J.H. Golbeck, and D.A. Bryant. Site-directed Conversion of a Cysteine to Aspartate Leads to the Assembly of a [3Fe-4S] Cluster in PsaC of Photosystem I. The Photoreduction of FA is Independent of FB at Low Temperature. Biochemistry 31:5093-5099.

Zhou, J., G.E. Gasparich, V.L. Stirewalt, R. de Lorimier, and D.A. Bryant. The cpcE and cpcF Genes of Synechococcus sp. PCC 7002: Construction and Phenotypic Characterization of Interposon Mutants. J. Biol. Chem. 267:16138-16145.

Swanson, R.V., J. Zhou, R. de Lorimier, J.A. Leary, T. Williams, D.A. Bryant, and A.N. Glazer. Characterization of Phycocyanin Produced by cpcE and cpcF Mutants and Identification of an Intergenic Suppressor of the Defect in Bilin Attachment. J. Biol. Chem. 267:16146-16154.

Fairchild, C.D., J. Zhao, J. Zhou, S.E. Colson, D.A. Bryant, and A.N. Glazer. Phycocyanin a Subunit Phycocyanobilin Lyase. Proc. Nat. Acad. Sci. USA 89:7017-7021.

Gindt, Y.M., J. Zhou, D.A. Bryant, and K. Sauer. Core Mutations of Synechococcus sp. PCC 7002 Phycobilisomes: A Spectroscopic Study. J. Photochem. Photobiol. B. 15:75-89.

Bryant, D.A. Molecular Biology of Photosystem I. In: Topics in Photosynthesis, Vol. 11, The Photosystems: Structure, Function and Molecular Biology. (J. Barber, ed.), pp. 501-549. Elsevier, Amsterdam.

Zhao, J., J. Zhou, and D.A. Bryant. Energy Transfer Processes in Phycobilisomes as Deduced from Analyses of Mutants of Synechococcus sp. PCC 7002. In: Research in Photosynthesis. (N. Murata, ed.), pp. 25-32. Kluwer, Dordrecht.

Chung, S. and D.A. Bryant. Genes Encoding Chlorosome Components in the Green Sulfur Bacteria Chlorobium vibrioforme 8327D and Chlorobium tepidum. In: Research in Photosynthesis. (N. Murata, ed.), pp. 69-72. Kluwer, Dordrecht.

Yu, L., J.H. Golbeck, J. Zhao, W.M. Schluchter, U. Mühlenhoff, and D.A. Bryant. The PsaE Protein is Required for Cyclic Electron Flow Around Photosystem I in Synechococcus sp. PCC 7002. In: Research in Photosynthesis. (N. Murata, ed.), pp. 565-568. Kluwer, Dordrecht.

1991

Bryant, D.A. Cyanobacterial Phycobilisomes: Progress Towards a Complete Structural and Functional Analysis Via Molecular Genetics. In: Cell Culture and Somatic Cell Genetics of Plants, Volume 7B: The Molecular Biology of Plastids and Mitochondria. (L. Bogorad and I.K. Vasil, eds.), pp. 255-298. Academic Press, New York.

Bryant, D.A., W.M. Schluchter, and V.L. Stirewalt. Ferredoxin and Ribosomal Protein S10 are Encoded on the Cyanelle Genome of Cyanophora Paradoxa. Gene 98:169-175.

Bryant, D.A., V.L. Stirewalt, M. Glauser, G. Frank, W. Sidler, and H. Zuber. A Small Multigene Family Encodes the Rod-Core Linker Polypeptides of Anabaena sp. PCC 7120 phycobilisomes. Gene 107:91-99.

Dubbs, J.M. and D.A. Bryant. Molecular Cloning and Transcriptional Analysis of the cpeBA Operon of the Cyanobacterium Pseudanabaena sp. PCC 7409. Mol. Microbiol. 5:3073-3085.

Golbeck J.H. and D.A. Bryant. Photosystem I. In: Current Topics in Bioenergetics: Light-Driven Reactions in Bioenergetics. (C.P. Lee, ed.), pp. 83-177. Academic Press, New York.

Li, N., P.V. Warren, J.H. Golbeck, G. Frank, H. Zuber, and D.A. Bryant. Polypeptide Composition of the Photosystem I Complex and the Photosystem I Core Protein From Synechococcus sp. PCC 6301. Biochim. Biophys. Acta. 1059:215-225.

Li, N., J. Zhao, P.V. Warren, J.T. Warden, D.A. Bryant, and J.H. Golbeck. PsaD is Required for the Stable Binding of PsaC to the Photosystem I Core Protein of Synechococcus sp. PCC 6301. Biochemistry 30:7863-7872.


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About Us Faculty Facilities Seminars Publications News and Events Outreach Links	Publications by Donald A. Bryant 2007 Gomez Maqueo Chew, A. and D. A. Bryant. Characterization of a plant-like protochlorophyllide a divinyl reductase in green sulfur bacteria. J. Biol. Chem. 282:2967-2975. Woodger, F. J., D. A. Bryant, and G. D. Price. Transcriptional regulation of the CO2-concentrating mechanism in the euryhaline, coastal-marine cyanobacterium, Synechococcus sp. PCC7002: role of NdhR/CcmR. J. Bacteriol. 189:3335-3347. Antonkine, M. L., E. M. Maes, R. S. Czernuszewicz, C. Brietenstein, E. Bill, C. F. Falzone, R. Balasubramanian, F. Yang, D. A. Bryant, and J. H. Golbeck. Chemical rescue of a site-modified ligand to a [4Fe-4S] cluster in a bacterial di-cluster ferredoxin. Biochim. Biophys. Acta 1767:712-724. Klatt, C. G., D. A. Bryant, and D. M. Ward. Comparative genomics provides evidence for the 3-hydroxypropionate autotrophic pathway in filamentous anoxygenic phototrophic bacteria and in hot spring microbial mats. Environ. Microbiol. 9:2067-2078. Kim, H., H. Li, J. A. Maresca, D. A. Bryant, and S. Savikhin. Triplet exciton formation as a novel photoprotection mechanism in chlorosomes of Chlorobium tepidum. Biophys. J. 93:192-201. Ikonen, T. P., H. Li, J. Psencik, P. Laurinmaki, S. J. Butcher, N.-U. Frigaard, R. E. Serimaa, D. A. Bryant, and R. Tuma. X-ray scattering and electron cryomicroscopy study on the effect of carotenoid biosynthesis to the structure of Chlorobium tepidum chlorosomes. Biophys. J. 93:620-628. Gomez Maqueo Chew, A. and D. A. Bryant. Chlorophyll biosynthesis in bacteria: the origins of structural and functional diversity. Annu. Rev. Microbiol. 61:113-129. Inoue-Sakamoto, K., T. M. Gruber, S. K. Christensen, T. Sakomoto, and D. A. Bryant. Group 3 sigma factors in the marine cyanobacterium Synechococcus sp. PCC 7002 are required for growth at low temperature. J. Gen. Appl. Microbiol. 53:89-104. Bryant, D. A., A. M. Garcia Costas, J. A. Maresca, A. Gomez Maqueo Chew, C. G. Klatt, M. M. Bateson, L. J. Tallon, J. Hostetler, W. C. Nelson, J. F. Heidelberg, and D. M. Ward. “Candidatus Chloracidobacterium thermophilum”: an aerobic phototrophic acidobacterium. Science 317:523-526. Maresca, J. A., J. E. Graham, M. Wu, J. A. Eisen, and D. A. Bryant. Identification of a fourth family of lycopene cyclases in photosynthetic bacteria. Proc. Natl. Acad. Sci. USA 104:11784-11789. Gomez Maqueo Chew, A., N.-U. Frigaard, and D. A. Bryant. Bacteriochlorophyllide c C-82 and C-121 methyltransferases are essential for adaptation to low light in Chlorobaculum tepidum. J. Bacteriol. 189:6176-6184. Shen, G., R. Balasubramanian, T. Wang, Y. Wu, L. M. Hoffart, C. Krebs, D. A. Bryant, and J. H. Golbeck. SufR coordinates two [4Fe-4S]2+,1+ clusters and functions as a transcriptional repressor of the sufBCDS operon and an autoregulator of sufR in cyanobacteria. J. Biol. Chem. 282:31909-31919. Oostergetel, G. T., M. Reus, A. Gomez Maqueo Chew, D. A. Bryant, E. J. Boekema, and A. R. Holzwarth. Long-range organization of bacteriochlorophyll in chlorosomes of Chlorobium tepidum investigated by cryo-electron microscopy. FEBS Lett. 581:5435-5439. 2006 Nomura, C. T., S. Persson, G. Shen, K. Inoue-Sakamoto, and D. A. Bryant. Characterization of two cytochrome oxidase operons in the marine cyanobacterium Synechococcus sp. PCC 7002. Inactivation of ctaDI affects the PS I:PS II ratio. Photosynthesis Res. 87:215-228. Balasubramanian, R., G. Shen, D. A. Bryant, and J. H. Golbeck. Regulatory roles for IscA and SufA in iron homeostasis and redox stress responses in the cyanobacterium Synechococcus sp. strain PCC 7002. J. Bacteriol. 188:3182-3191. Sakuragi, Y., H. Maeda, D. DellaPenna, and D. A. Bryant. a-Tocopherol plays a role in photosynthesis and macronutrient homeostasis that is independent of its antioxidant function in the cyanobacterium Synechocystis sp. PCC 6803. Plant Physiol. 141:508-521. Ley, R. E., J. K. Harris, J. Wilcon, J. R. Spear, S. R. Miller, B. M. Bebout, J. A. Maresca, D. A. Bryant, and N. R. Pace. Unexpected diversity and complexity from the Guerrero Negro hypersaline microbial mat. Appl. Environ. Microbiol. 72:3685-3695. Nomura, C. T., T. Sakamoto, and D. A. Bryant. Roles for heme-copper oxidases in extreme high light and oxidative stress response in the cyanobacterium Synechococcus sp. PCC 7002. Arch. Microbiol. 185:471-479. Shen, G., N. A. Saunée, S. R. Williams, E. F. Gallo, W. M. Schluchter, and D. A. Bryant. Identification and characterization of a new class of bilin lyase: the cpcT gene encodes a bilin lyase responsible for attachment of phycocyanobilin to Cys-153 on the b-subunit of phycocyanin in Synechococcus sp. PCC 7002. J. Biol. Chem. 281:17768-17778. Li, H., N.-U. Frigaard, and D. A. Bryant. Molecular contacts for chlorosome envelope proteins revealed by cross-linking studies with chlorosomes from Chlorobium tepidum. Biochemistry 45: 9095-9103. Bryant, D. A. and N.-U. Frigaard. Prokaryotic photosynthesis and phototrophy illuminated. Trends Microbiol. 14:488-496. Maresca, J. A. and D. A. Bryant. Identification of two genes encoding new carotenoid-modifying enzymes in the green sulfur bacterium Chlorobium tepidum. J. Bacteriol. 188:6217-6223. Sakuragi, Y. and D. A. Bryant. Genetic manipulation of quinone biosynthesis in cyanobacteria. In: Advances in Photosynthesis and Respiration, Photosystem I: The light-driven plastocyanin:ferredoxin oxidoreductase in photosynthesis. (J. H. Golbeck, ed.), vol. 24, pp. 205-222, Springer, Dordrecht, The Netherlands. Shively, J. B., G. C. Cannon, D. A. Bryant, S. DasSarma, D. Bazylinski, J. Preiss, A. Steinbüchel, and R. Docampo. Bacterial Inclusions. In: Encyclopedia of Life Sciences, Nature Publishing Group, Macmillan Reference Ltd., London, United Kingdom. http://www.els.net/. Frigaard, N.-U. and D. A. Bryant. Chlorosomes: antenna organelles in green photosynthetic bacteria. In: Complex Intracellular Structures in Prokaryotes, Microbiology Monographs. (J. M. Shively, ed.), vol. 2, pp. 79-114, Springer, Berlin, Germany. Frigaard, N.-U., A. Gomez Maqueo Chew, J. A. Maresca, and D. A. Bryant. Bacteriochlorophyll biosynthesis in green bacteria. In: Advances in Photosynthesis and Respiration. Chlorophylls and Bacteriochlorophylls: Biochemistry, Biophysics, Functions and Applications. (B. Grimm, R. Porra, W. Rüdiger, and H. Scheer, eds.), vol. 25, pp. 201-221, Springer, Dordrecht, The Netherlands. 2005 Zambelli, B., M. Stola, K. De Vriendt, B. Samyn, B. Devreese, J. Van Beeumen, P. Turano, A. Dikiy, D. A. Bryant, and S. Ciurli. UreG, a chaperone in the urease assembly process, is an intrinsically unstructured GTPase that specifically binds Zn2+. J. Biol. Chem. 280:4684-4695. Maeda, H., Y. Sakuragi, D. A. Bryant, and D. DellaPenna. Tocopherols are essential in protecting Synechocystis sp. strain PCC 6803 from lipid peroxidation. Plant Physiol. 138:1422-1435. Sakuragi, Y., B. Zybailov, G. Shen, D. A. Bryant, J. H. Golbeck, B. A. Diner, I. Karygina, Y. Pushkar, and D. Stehlik. Recruitment of a foreign quinone into the A1 site of Photosystem I. Characterization of a menB rubA double mutant in Synechococcus sp. PCC 7002 devoid of FX, FA and FB and containing plastoquinone or exchanged 9,10-anthraquinone. J. Biol. Chem. 280: 12371-12381. Frigaard, N.-U., H. Li, P. Martinsson, S. K. Das, H. A. Frank, T. J. Aartsma, and D. A. Bryant. Isolation and characterization of carotenosomes from a bacteriochlorophyll c-less mutant of Chlorobium tepidum. Photosynthesis Res. 86:101-111. Shively, J. B., G. C. Cannon, D. A. Bryant, S. DasSarma, D. Bazylinski, J. Preiss, A. Steinbüchel, and R. Docampo. Bacterial Inclusions. In: Encyclopedia of Life Sciences, Nature Publishing Group, Macmillan Reference Ltd., London, United Kingdom. http://www.els.net/ Mimuro, M., T. Tsuchiya, Y. Itoh, H. Inoue, T. Gotoh, Y. Sakuragi, H. Miyashita, T. Yamashita, D. A. Bryant, and M. Kobayashi. The secondary electron acceptor of photosystem I in Gloeobacter violaceus PCC 7421 is menaquinone-4. FEBS Lett. 279:3493-3496. Maresca, J. A., N.-U. Frigaard, and D. A. Bryant. Identification of a novel class of lycopene cyclases in photosynthetic bacteria. In: Photosynthesis: Fundamental Aspects to Global Perspectives, Proceedings of the XIIIth International Congress on Photosynthesis, Montreal. (A. van der Est and D. Bruce, eds.), pp. 884-886, Allen Press, Lawrence, KA. Gomez Maqueo Chew, A., N.-U. Frigaard, and D. A. Bryant. Characterization of BchV, a C-31 hydratase specific for hypermethylated bacteriochlorophyll c in Chlorobium tepidum. In: Photosynthesis: Fundamental Aspects to Global Perspectives, Proceedings of the XIIIth International Congress on Photosynthesis, Montreal. (A. van der Est and D. Bruce, eds.), pp. 875-877, Allen Press, Lawrence, KA. Li, H., N.-U. Frigaard, and D. A. Bryant. Locations and interactions of chlorosome proteins on the chlorosome envelope in Chlorobium tepidum: Insights from cross-linking experiments. In: Photosynthesis: Fundamental Aspects to Global Perspectives, Proceedings of the XIIIth International Congress on Photosynthesis, Montreal. (A. van der Est and D. Bruce, eds.), pp. 116-119, Allen Press, Lawrence, KA. Shen, G., R. Balasubramanian, T. Wang, B. Tirupati, J. M. Bollinger, J. H. Golbeck, and D. A. Bryant. Functional genomics of genes for biogenesis of Fe-S proteins in cyanobacteria. In: Photosynthesis: Fundamental Aspects to Global Perspectives, Proceedings of the XIIIth International Congress on Photosynthesis, Montreal. (A. van der Est and D. Bruce, eds.), pp. 882-884, Allen Press, Lawrence, KA. Balasubramanian, R., G. Shen, J. H. Golbeck, and D. A. Bryant. SufR is a [4Fe-4S] protein that functions as a negative transcriptional regulator of the suf regulon in cyanobacteria. In: Photosynthesis: Fundamental Aspects to Global Perspectives, Proceedings of the XIIIth International Congress on Photosynthesis, Montreal. (A. van der Est and D. Bruce, eds.), pp. 66-68, Allen Press, Lawrence, KA. Stehlik, D., J. Pushkar, I. Karyagina, S. Brown, D. Bryant, and J. Golbeck. Control of function by protein-cofactor interaction in the electron transfer reactions of photosystem I. In: Photosynthesis: Fundamental Aspects to Global Perspectives, Proceedings of the XIIIth International Congress on Photosynthesis, Montreal. (A. van der Est and D. Bruce, eds.), pp. 25-27, Allen Press, Lawrence, KA. Bryant, D. A., N.-U. Frigaard, J. A. Maresca, A.Gomez Maqueo Chew, and T. Li. Chlorophyll and carotenoid biosynthesis in green sulfur bacteria: a genomic perspective. In: Photosynthesis: Fundamental Aspects to Global Perspectives, Proceedings of the XIIIth International Congress on Photosynthesis, Montreal. (A. van der Est and D. Bruce, eds.), pp. 866-869, Allen Press, Lawrence, KA. 2004 Frigaard, N.-U., Y. Sakuragi, and D.A. Bryant. Gene inactivation in the cyanobacterium Synechococcus sp. PCC 7002 and the green sulfur bacterium Chlorobium tepidum using in vitro-made DNA constructs and natural transformation. In: Photosynthesis Research Protocols. (R. Carpentier, ed.), pp. 325-340, Humana Press, Totowa, NJ. Frigaard, N.-U., H. Li, K.J. Milks, and D.A. Bryant. Nine mutants of Chlorobium tepidum each unable to synthesize a different chlorosome protein still assemble functional chlorosomes. J. Bacteriol. 186:646-653. Wang, T., G. Shen, R. Balasubramanian, L. McIntosh, D.A. Bryant, and J.H. Golbeck. The sufR gene (sll0088 in Synechocystis sp. Strain PCC 6803) functions as a repressor of the sufBCDS operon in iron-sulfur cluster biogenesis in cyanobacteria. J. Bacteriol. 186:956-967. van der Est, A., A.I. Valieva, Y.E. Kandrashkin, G. Shen, D.A. Bryant, and J.H. Golbeck. Removal of PsaF alters forward electron transfer in Photosystem I: Evidence for fast reoxidation of Q_K-A in subunit deletion mutants of Synechococcus sp. PCC 7002. Biochemistry 43:1264-1275. Maresca, J.A., A. Gomez Maqueo Chew, M.R. Ponsatí, N.-U. Frigaard, J.G. Ormerod, and D.A. Bryant. The bchU gene of Chlorobium tepidum encodes the C-20 methyltransferase in bacteriochlorophyll c biosynthesis. J. Bacteriol. 186:2558-2566. Frigaard, N.-U., J.A. Maresca, C.E. Yunker, A.D. Jones, and D.A. Bryant. Genetic manipulation of carotenoid biosynthesis in the green sulfur bacterium Chlorobium tepidum. J. Bacteriol. 186:5210-5220. Frigaard, N.-U. and D.A. Bryant. Seeing green bacteria in a new light: genomics-enabled studies of the photosynthetic apparatus in green sulfur bacteria and filamentous anoxygenic phototrophic bacteria. Arch. Microbiol. 182:265-276. 2003 Frigaard, N.-U., A. Gomez Maqueo Chew, H. Li, J.A. Maresca, and D.A. Bryant. Chlorobium tepidum: insights into the physiology and biochemistry of green sulfur bacteria from the complete genome sequence. Photosynth. Res. 78:93-117. Yu, J., G. Shen, T. Wang, D.A. Bryant, J.H. Golbeck, and L. McIntosh. Suppressor mutations in the study of Photosystem I biogenesis: sll0088 is a previously unidentified gene involved in reaction center accumulation in Synechocystis sp. Strain PCC 6803. J. Bacteriol. 185:3878-3887. Bryant, D.A. The beauty in small things revealed. Proc. Natl. Acad. Sci. USA 100:9647-9649. Huang, C., X. Yuan, J. Zhao, and D.A. Bryant. Kinetic analyses of state transitions of the cyanobacterium Synechococcus sp. PCC 7002 and its mutant strains impaired in electron transport. Biochim. Biophys. Acta 1607:121-130. Gómez-Lojero, C., B. Pérez-Gómez, G. Shen, W.M. Schluchter, and D.A. Bryant. Interaction of ferredoxin:NADP⁺ oxidoreductase with phycobilisomes and phycobilisome substructures of Synechococcus sp. strain PCC 7002. Biochemistry 42:13800-13811. Cheng, Z., S. Sattler, H. Maeda, Y. Sakuragi, D.A. Bryant, and D. DellaPenna. Highly divergent methyltransferases catalyze a conserved reaction in tocopherol and plastoquinone synthesis in cyanobacteria and photosynthetic eukaryotes. Plant Cell 15:2343-2356. 2002 Vassilieva, E.V., J.G. Ormerod, and D.A. Bryant. Biosynthesis of chlorosome proteins is not inhibited in acetylene-treated cultures of Chlorobium vibrioforme. Photosynth. Res. 71:69-81. Antonkine, M.L., G. Liu, D. Bentrop, I. Bertini, C. Luchinat, D. A. Bryant, J.H. Golbeck, and D. Stehlik. Solution structure of the unbound, oxidized photosystem I subunit PsaC, containing [4Fe-4S] clusters F_A and F_B. Conformational change upon binding to Photosystem I. J. Biol. Inorg. Chem. 7:461-472. Sakuragi, Y., B. Zybailov, G. Shen, A.D. Jones, P.R. Chitnis, A. van der Est, R. Bittl, S. Zech, D. Stehlik, J.H. Golbeck, and D.A. Bryant. Insertional inactivation of the menG Gene, encoding 2-phytyl-1,4-naphthoquinone methyltransferase of Synechocystis sp. PCC 6803, results in the incorporation of 2-phytyl-1,4-naphthoquinone into the A₁ site and alteration of the equilibrium constant between A₁ and F_X in Photosystem I. Biochemistry. 41:394-405. Eisen, J.A., K.E. Nelson, I.T. Paulsen, J.F. Heidelberg, M. Wu, R.J. Dodson, R. Deboy, M.L. Gwinn, W.C. Nelson, D.H. Haft, E.K. Hickey, J.D. Peterson, A.S. Durkin, J.L. Kolonay, F. Yang, I. Holt, L.A. Umayam, T. Mason, M. Brenner, T.P. Shea, D. Parksey, T.V. Feldblyum, C.L. Hansen, M.B. Craven, D. Radune, H. Khouri, C.Y. Fujii, O. White, J.C. Venter, N. Volfovsky, T.M. Gruber, K.A. Ketchum, H. Tettelin, D.A. Bryant, and C.M. Fraser. The complete genome sequence of the green sulfur bacterium Chlorobium tepidum. Proc. Natl. Acad. Sci. USA. 99:9509-9514. Vassilieva, E.V., V.L. Stirewalt, C.U. Jakobs, N.-U. Frigaard, M.A. Baker, A. Sotak, and D.A. Bryant. Cellular localization of chlorosome proteins in Chlorobium tepidum. Cloning and characterization of genes encoding CsmH, CsmF, and three additional chlorosome-associated polypeptides. Biochemistry. 41:4358-4370. Safarov, N., S. Miletti, S. Ciurli, S.K. Christensen, K. Kornetzky, D.A. Bryant, I. Vendenberghe, B. Devreese, H. Remaut, and J. V. Van Beeumen. Molecular characterization of Bacillus pasteurii UreE, a metal-binding chaperone for assembly of the urease active site. J. Biol. Inorg. Chem. 7:623-631. Frigaard, N.-U., G.D. Voigt, and D.A. Bryant. A bacteriochlorophyll c-less mutant of Chlorobium tepidum made by inactivation of the bchK gene encoding bacteriochlorophyll c synthase. J. Bacteriol. 184:3368-3376. Scott, N.L., C.J. Falzone, D.A. Vuletich, J. Zhao, D.A. Bryant, and J.T.J. Lecomte. Truncated hemoglobin from the cyanobacterium Synechococcus sp. PCC 7002. Evidence for hexacoordination and covalent adduct formation in the ferric recombinant protein. Biochemistry. 41:6902-6910. Shen, G., J. Zhao, S.K. Reimer, M.L. Antonkine, Q. Cai, S.M. Weiland, J.H. Golbeck, and D. A. Bryant. Assembly of [4Fe-4S] clusters in Photosystem I. I. Inactivation of the rubA gene encoding a membrane-associated rubredoxin in the cyanobacterium Synechococcus sp. PCC 7002 causes a loss of photosystem I activity. J. Biol. Chem. 277:20343-20354. Shen, G., M.L. Antonkine, A. van der Est, I.R. Vassiliev, K. Brettel, R. Bittl, S.G. Zech, J. Zhao, D. Stehlik, D. A. Bryant, and J.H. Golbeck. Assembly of [4Fe-4S] clusters in Photosystem I. II. Rubredoxin is required for the in vivo assembly of F_X in Synechococcus Sp. PCC 7002 as shown by optical and EPR spectroscopy. J. Biol. Chem. 277:20355-20366. Sakamoto, T., and D. A. Bryant. Synergistic effect of high-light and low temperature on cell growth of the Δ12 fatty acid desaturase mutant in Synechococcus sp. PCC 7002. Photosynth. Res. 42:231-242. Camarero, J.A., A. Shekhtman, E.A. Campbell, M. Chlenov, T.M. Gruber, D. A. Bryant, S.A. Darst, D. Cowburn, and T.W. Muir. Autoregulation of a bacterial sigma factor explored by using segmental isotopic labeling and NMR. Proc. Natl. Acad. Sci. USA. 99:8536-8541. Bryant, D.A., N.-U. Frigaard, E.V. Vassilieva, and H. Li. Selective protein extraction from chlorosomes of Chlorobium tepidum using detergents: evidence that CsmA forms multimers and binds bacteriochlorophyll a. Biochemistry. 41:14403-14411. Schluchter, W.M., and D.A. Bryant. Analysis and reconstitution of phycobiliproteins: methods for the characterization of bilin attachment reactions. In: Analytical Methods for Chlorophyll, Heme, and Related Molecules. (M. Witty and A. Smith, eds.), pp. 311-334, Humana Press, Totowa, NJ. Frigaard, N.-U., E.V. Vassilieva, H. Li, K.J. Milks, J. Zhao, and D. A. Bryant. The remarkable chlorosome. In: PS2001 Proceedings, 12^th International Congress on Photosynthesis, Brisbane, Australia. Article S1-003. CSIRO Publishing, Canberra, Australia. 2001 Vassilieva, E.V., M.L. Antonkine, B.L. Zybailov, F. Yang, C.U. Jakobs, J.H. Golbeck, and D.A. Bryant. Electron transfer may occur in the chlorosome envelope: The CsmI and CsmJ proteins of chlorosomes are [2Fe-2S] ferredoxins. Biochemistry. 40:464-473. Frigaard, N.-U., and D.A. Bryant. Chromosomal gene inactivation in the green sulfur bacterium Chlorobium tepidum by natural transformation. Appl. Environ. Microbiol. 67:2538-2544. Zhao, J., G. Shen, and D.A. Bryant. Photosystem stoichiometry and state transitions in a mutant of the cyanobacterium Synechococcus sp. PCC 7002 lacking phycocyanin. Biochim. Biophys. Acta. 1505:248-257. Bertini, I., D.A. Bryant, S. Ciurli, A. Dikiy, C.O. Fernández, C. Luchinat, N. Safarov, A.J. Vila, and J. Zhao. Backbone dynamics of plastocyanin in both oxidation states: Solution structure of the reduced form and comparison with the oxidized state. J. Biol. Chem. 276:47217-47226. Sakuragi, Y., B. Zybailov, A.D. Jones, P.R. Chitnis, R. Bittl, S. Zech, D. Stehlik, J.H. Golbeck, and D.A. Bryant. Insertional inactivation of the menG Gene, encoding 2-phytyl-1,4-naphthoquinone methyltransferase of Isynechocystis sp. PCC 6803, results in the incorporation of 2-phytyl-1, 4-naphthoquinone into the A₁ site and alteration of the equilibrium constant between A₁ and F_x in Photosystem I. Biochemistry. 41:394-405. Sakamoto, T., and D.A. Bryant. Requirement of nickel as an essential micronutrient for the utilization of urea in the marine cyanobacterium Synechococcus sp. PCC 7002. Microbes Environ. 16:177-184. 2000 Johnson, W., G. Shen, B. Zybailov, D. Kolling, R. Reategui, S. Beauparlant, I.R.Vassiliev, D.A. Bryant, A.D. Jones, J.H. Golbeck, and P. Chitnis. Mutagenesis of the menA and menB Genes in the Biosynthetic Pathway to Phylloquinone in Synechocystis sp. PCC 6803. I. Recruitment of a Foreign Quinone into the A₁ Site of Photosystem I. J. Biol. Chem. 275:8523-8530. Antonkine, M.L., D. Bentrop, I. Bertini, C. Luchinat, G. Shen, D.A. Bryant, D. Stehlik, and J.H. Golbeck. Paramagnetic ¹H NMR Spectroscopy of the Reduced Unbound Photosystem I Subunit PsaC: Sequence Specific Assignment of Contact Shifted Resonances and Identification of Mixed and Equal Valence Fe-Fe Pairs in [4Fe-4S] Centers FA- and FB-. J. Bioinorg. Chem. 5:381-392. Bhaya, D., N.R. Bianco, D.A. Bryant, and A.R. Grossman. Type IV Pilus Biogenesis and Motility in the Cyanobacterium Synechocystis sp. PCC 6803. Mol. Microbiol. 37:941-951. Vassilieva, E.V., N.-U. Frigaard, and D.A. Bryant. Chlorosomes: The Light-harvesting Antennae of Green Bacteria. The Spectrum 13:7-13. 1999 Gruber, T.M. and D.A. Bryant. An Overview of Sigma Factors of RNA Polymerase in Phototrophic Bacteria. In: The Phototrophic Prokaryotes, (G.A. Peschek, W. Löffelhardt, and G. Schmetterer, eds.), pp. 791-798, Plenum, Vienna. Gruber, T.M. and D.A. Bryant. Tracing the Relationships Among the Eubacteria Using s⁷⁰-type Sigma Factors. In: Enigmatic Microorganisms and Life in Extreme Environments, (J. Seckbach, ed.), pp. 3-13, Kluwer, Dordrecht, Netherlands. Mayer, K.L., G. Shen, D.A. Bryant, J.T.J. Lecomte, and C.J. Falzone. The Solution Structure of Photosystem I Accessory Protein E from the Cyanobacterium Nostoc sp. strain PCC 8009. Biochemistry 38:13736-13746. Nomura, C. and D.A. Bryant. Cytochrome c₆ from Synechococcus sp. PCC 7002. In: The Phototrophic Prokaryotes, (G.A. Peschek, W. Löffelhardt, and G. Schmetterer, eds.), pp. 269-274, Plenum, Vienna. Sakamoto, T. and D.A. Bryant. A Novel Nitrate/Nitrite Permease in the Marine Cyanobacterium Synechococcus sp. strain PCC 7002. J. Bacteriol. 181:7363-7372. Sakamoto, T. and D.A. Bryant. Nitrate Transport and not Photoinhibition is the Rate-limiting Step for Growth of the Freshwater Cyanobacterium Synechococcus sp. PCC 6301 at Low Temperature. Plant Physiol. 119:785-794. Yang, F., G. Shen, W.M. Schluchter, B. Zybailov, A. Ganago, J.H. Golbeck, and D.A. Bryant. Structural and Functional Analyses of Cyanobacterial Photosystem I: The Directionality of Electron Transfer. In: The Phototrophic Prokaryotes, (G.A. Peschek, W. Löffelhardt, and G. Schmetterer, eds.), pp. 21-33, Plenum, Vienna. 1998 Chung, S., G. Shen, J.G. Ormerod, and D.A. Bryant. Insertional Inactivation Studies of the csmA and csmC Genes of the Green Sulfur Bacterium Chlorobium vibrioforme 8327: The Chlorosome Protein CsmA is Required for Viability but CsmC is Dispensable. FEMS Microbiol. Lett. 164:353-361. Gruber, T.M. and D.A. Bryant. An Overview of Sigma Factors of RNA Polymerase in Phototrophic Bacteria. In: The Phototrophic Prokaryotes. (G. A. Peschek, W. Löffelhardt, and G. Schmetterer, eds.), pp. 791-798, Plenum, Vienna. Gruber, T.M. and D.A. Bryant. Characterization of the Alternative Sigma Factors SigD and SigE in Synechococcus sp. strain PCC 7002. SigE is Implicated in Transcription of Post-exponential Phase-specific Genes. Arch. Microbiol. 169:211-219. Gruber, T.M. and D.A. Bryant. Characterization of the Group 1 and Group 2 Sigma Factors of the Green Sulfur Bacterium Chlorobium tepidum and the Green Gliding Bacterium Chloroflexus aurantiacus. Arch. Microbiol. 170:285-296. Gruber, T.M., J.A. Eisen, K. Gish, and D.A. Bryant. The Phylogenetic Relationships of Chlorobium tepidum and Chloroflexus aurantiacus Based Upon Their RecA Sequences. FEMS Microbiol. Lett. 162:53-60. Nomura, C. and D.A. Bryant. Cytochrome c6 from Synechococcus sp. PCC 7002. In: The Phototrophic Prokaryotes, (G. A. Peschek, W. Löffelhardt, and G. Schmetterer, eds.), pp. 269-274. Plenum, Vienna. Sakamoto, T. and D.A. Bryant. Growth at Low Temperature Causes Nitrogen Limitation in the Cyanobacterium Synechococcus sp. PCC 7002. Arch. Microbiol. 169:10-19. Sakamoto, T., V.B. Delgaizo, and D.A. Bryant. Growth on Urea can Trigger Peroxidative Death of the Cyanobacterium Synechococcus sp. strain PCC 7002. Appl. Envir. Microbiol. 64:2361-2366. Sakamoto, T., G. Shen, S. Higashi, N. Murata, and D.A. Bryant. Alteration of Low-temperature Susceptibility of the Cyanobacterium Synechococcus sp. PCC 7002 by Genetic Manipulation of Membrane Lipid Unsaturation. Arch. Microbiol. 169:20-28. Xia, Z., R.W. Broadhurst, E.D. Laue, D.A. Bryant, J.H. Golbeck, and D.S. Bendall. Structure and Properties of PsaD in Solution. Eur. J. Biochem. 255:309-316. Yang, F., G. Shen, W.M. Schluchter, B. Zybailov, A. Ganago, D.A. Bryant, and J.H. Golbeck. Deletion of the PsaF Polypeptide Modifies the Environment of the Redox-active Phylloquinone (A1). Evidence for Unidirectionality of Electron Transfer in Photosystem I. J. Phys. Chem. 102:8288-8299. Yang, F., G. Shen, W.M. Schluchter, B. Zybailov, A. Ganago, J.H. Golbeck, and D.A. Bryant. Structural and Functional Analyses of Cyanobacterial Photosystem I: The Directionality of Electron Transfer. In: The Phototrophic Prokaryotes. (G. A. Peschek, W. Löffelhardt, and G. Schmetterer, eds.), pp. 21-33. Plenum, Vienna. Zhao, J., Li, R. and D.A. Bryant. Measurement of Photosystem I Activity by Photoreduction of Recombinant Flavodoxin. Anal. Biochem. 264:263-270. 1997 Caslake, L., T.M. Gruber, and D.A. Bryant. Expression of Two Alternative Sigma Factors of Synechococcus sp. Strain PCC 7002 is Modulated by Carbon and Nitrogen Stress. Microbiology 143:3807-3818. Gruber, T.M. and D.A. Bryant. Molecular Systematic Studies of Eubacteria Using s⁷⁰-type Sigma Factors of Group 1 and Group 2. J. Bacteriol. 179:1734-1747. Löffelhardt, W., W.J. Bohnert, and D.A. Bryant. The Cyanelles of Cyanophora paradoxa. Crit. Rev. Plant Physiol. 16:393-413. Löffelhardt, W., W.J. Bohnert, and D.A. Bryant. The Complete Sequence of the Cyanophora paradoxa Cyanelle Genome. In: Origins of the Algae and Their Plastids. (D. Bhattacharya, ed.), pp. 149-162, Springer-Verlag, Vienna, Austria. Löffelhardt, W., V.L. Stirewalt, C.B. Michalowski, M. Annarella, J.Y. Farley, W.M. Schluchter, S. Chung, C. Newmann-Spallart, J.M. Steiner, J. Jakowitsch, H.J. Bohnert, and D.A. Bryant. The Complete Sequence of the Cyanelle Genome of Cyanophora Paradoxa: The Genetic Complexity of a Primitive Plastid. In: Eukaryotism and Symbiosis. (H.E.A. Schenk, R. Herrmann, K.W. Jeon, N.E. Muller, and W. Schwemmler, eds.), pp. 40-48, Springer, Heidelberg, Germany. Sakamoto, T. and D.A. Bryant. Temperature-regulated mRNA Accumulation and Stabilization for Fatty Acid Desaturase Genes in the Cyanobacterium Synechococcus sp. Strain PCC 7002. Mol. Microbiol. 23:1281-1292. Sakamoto, T., S. Higashi, H. Wada, N. Murata, and D.A. Bryant. Low-temperature Induced Desaturation of Fatty Acids and Expression of Desaturase Genes in the Cyanobacterium Synechococcus sp. Strain PCC 702. FEMS Microbiol. Lett. 52:313-320. Sakamoto, T., V.L. Stirewalt, and D.A. Bryant. Two Acyl-lipid 9 Desaturase Genes of the Cyanobacterium Synechococcus sp. PCC 7002. In: Physiology, Biochemistry, and Molecular Biology of Plant Lipids. (J.P. Williams, M.U. Khan, and N.W. Lem, eds.), pp. 380-382, Kluwer Academic, Dordrecht, Netherlands. 1996 Mühlenhoff, U., J. Kruip, W. Nitschke, D.A. Bryant, M. Rögner, P. Sétif, and E. Boekema. Characterization of a Redox Active Cross-linking Complex Between Cyanobacterial Photosystem I and its Physiological Acceptor Flavodoxin. EMBO J. 15:448-497. Mühlenhoff, U., J. Zhao, and D.A. Bryant. Interaction of Photosystem I and Flavodoxin from the Cyanobacterium Synechococcus sp. PCC 7002 as Revealed by Chemical Cross-linking. Eur. J. Biochem. 325:324-331. Caslake, L. and D.A. Bryant. Cloning and Characterization of the sigA Gene Encoding the Major Sigma Factor of RNA Polymerase from the Marine Cyanobacterium Synchococcus sp. PCC 7002. Microbiology 142:347-357. Schluchter, W.M., G. Shen, J. Zhao, and D.A. Bryant. Characterization of psaI and psaL Mutants of Synechococcus sp. PCC 7002: A New Model for State Transitions in Cyanobacteria. Photochem. Photobiol. 64:53-66. Chung, S. and D.A. Bryant. Characterization of csmB Genes from Chlorobium vibrioforme 8327D and Chlorobium tepidum and Overproduction of the Chlorobium tepidum CsmB Protein in Escherichia coli. Arch. Microbiol. 166:234-244. Sültemeyer, D., G.D. Price, D.A. Bryant, and M.R. Badger. PsaE- and NdhF-mediated Electron Transport Affect Bicarbonate Transport Rather than Carbon Dioxide Uptake in the Cyanobacterium Synechococcus sp. PCC 7002. Planta Med. 201:36-42. Jung, Y.-S., I.R. Vassiliev, F. Qiao, F. Yang, D.A. Bryant, and J.H. Golbeck. Modified Ligands to FA and FB in Photosystem I. II. Chemical Rescue of a [4Fe-4S] Cluster Using an External Thiolate in Alanine, Glycine, and Serine Mutants of PsaC. J. Biol. Chem. 271:31135-31144. Chung, S. and D.A. Bryant. Characterization of the csmD and csmE Genes From Chlorobium Tepidum. The CsmA, CsmC, CsmD, and CsmE Proteins are Components of the Chlorosome Envelope. Photosynth. Res. 50:41-59. 1995 Chung, S., C.U. Jakobs, J.G. Ormerod, and D.A. Bryant. Protein Components of Chlorosomes from Chlorobium tepidum and Interposon Mutagenesis of csmA and csmC from Chlorobium vibrioforme 8327D. In: Photosynthesis: from Light to Biosphere. (P. Mathis, ed.), Vol. I, pp. ll-l6, Kluwer, Dordrecht, Netherlands. Debreczeny, M.P., K. Sauer, J. Zhou, and D.A. Bryant. Comparison of Calculated and Experimentally Resolved Rate Constants for Excitation Energy Transfer in C-Phycocyanin. 1. Monomers. J. Phys. Chem. 99:8412-8419. Debreczeny, M.P., K. Sauer, J. Zhou, and D.A. Bryant. Comparison of Calculated and Experimentally Resolved Rate Constants for Excitation Energy Transfer in C-Phycocyanin. 2. Trimers. J. Phys. Chem. 99:8420-8431. Jung, Y.-S., J. Yu, L. Yu, J. Zhao, D.A. Bryant, L. McIntosh, and J.H. Golbeck. In vivo Site-directed Mutations of the Cysteine Ligands to F_A and F_B in Synechocystis sp. PCC 8603: A Comparison with in vitro Reconstituted Photosystem I Complexes. In: Photosynthesis: from Light to Biosphere. (P. Mathis, ed.), Vol. II, pp. l27-l30, Kluwer, Dordrecht, Netherlands. Mehari, T., F. Qiao, M.P. Scott, D.F. Nellis, J. Zhao, D.A. Bryant, and J.H. Golbeck. Modified Ligands to F_A and F_B in Photosystem I. I. Structural Constraints for the Formation of Iron-sulfur Clusters in Free and Rebound PsaC. J. Biol. Chem. 270:28108-28117. Shen, G. and D.A. Bryant. Characterization of a Synechococcus sp. Strain PCC 7002 Mutant Lacking Photosystem I. Protein Assembly and Energy Distribution in the Absence of the Photosystem I Reaction Center Core Complex. Photosynth. Res. 44:41-53. Shevelev, E., D.A. Bryant, W. Löffelhardt, and H.J. Bohnert. Ribonuclease-P RNA Gene of the Plastid Chromosome from Cyanophora Paradoxa. DNA Res. 2:231-234. Stirewalt, V.L., C.B. Michalowski, W. Löffelhardt, H.J. Bohnert, and D.A. Bryant. Nucleotide Sequence of the Cyanelle Genome from Cyanophora Paradoxa. Plant Mol. Biol. Reporter 13:327-332. Xia, Z., R.W. Broadhurst, E.D. Laue, D.A. Bryant, J.H. Golbeck, and D.S. Bendall. Spectroscopic Evidence for the Flexibility of PsaD in Solution. In: Photosynthesis: from Light to Biosphere. (P. Mathis, ed.), Vol. II, pp.74l-744, Kluwer, Dordrecht, Netherlands. Yu, L., I.R. Vassiliev, Y-S. Jung, D.A. Bryant, and J.H. Golbeck. Modified Ligands to F_A and F_B in Photosystem I. II. Characterization of a Mixed Ligand [4Fe-4S] Cluster in the C51D Mutant of PsaC Upon Rebinding to P700-F_X Cores. J. Biol. Chem. 270:28118-28125. Yu, L., D.A. Bryant, and J.H. Golbeck. Evidence for a Mixed-Ligand [4Fe-4S] Cluster in the Cl4D Mutant of PsaC. Altered Reduction Potentials and EPR Spectral Properties of the F_A and F_B Clusters on Rebinding to the P700-F_X Core. Biochemistry 34:7861-7868. 1994 Bryant, D.A. Gene Nomenclature Recommendations for Green Photosynthetic Bacteria and Heliobacteria. Photosynth. Res. 4l:27-28. Bryant, D.A. The Molecular Biology of Cyanobacteria. Kluwer Academic Publishers, Dordrecht, The Netherlands, 908 pp. Chung, S., G. Frank, H. Zuber, and D.A. Bryant. Genes Encoding Two Chlorosome Proteins from the Green Sulfur Bacteria Chlorobium Vibrioforme Strain 8327D and Chlorobium Tepidum. Photosynth. Res. 4l:26l-275. Falzone, C.J., Y.-H. Kao, J. Zhao, D.A. Bryant, and J.T.J. Lecomte. The Three-dimensional Solution Structure of PsaE from the Cyanobacterium Synechococcus sp. Strain PCC 7002: A Photosystem I Protein Structurally Homologous with SH3 Domains. Biochemistry. 33:6052-6062. Falzone, C.J., Y.-H. Kao, J. Zhao, K.L. MacLauglin, D.A. Bryant, and J.T.J. Lecomte. 1H and 15N NMR Assignments of the PsaE, a Photosystem I Subunit from the Cyanobacterium Synechococcus sp. Strain PCC 7002. Biochemistry. 33:6043-605l. Gindt, Y.M., J. Zhou, D.A. Bryant, and K. Sauer. Spectroscopic Studies of Phycobilisome Subcore Preparations Lacking Key Core Chromophores: Assignment of Excited State Energies to the L_CM, b¹⁸, and a^AP-B Chromophores. Biochim. Biophys. Acta. ll86:153-162. 1993 Rhiel, E. and D.A. Bryant. Nucleotide Sequence of the psaE Gene of Synechococcus sp. PCC 630l. Plant Physiol. 101:701-702. Dubbs, J.M. and D.A. Bryant. Organization and Transcription of the Genes Encoding Two Differentially Expressed Phycocyanins in the Cyanobacterium Pseudanabaena sp. PCC 7409. Photosynth. Res. 36:169-183. Schluchter, W.M., J. Zhao, and D.A. Bryant. Isolation and Characterization of the ndhF Gene of Synechococcus sp. PCC 7002 and Initial Characterization of an Interposon Mutant. J. Bacteriol. 175:3343-3352. Zhao, J., W. Snyder, U. Mühlenhoff, E. Rhiel, P.V. Warren, J.H. Golbeck, and D.A. Bryant. Cloning and Characterization of the psaE Gene of the Cyanobacterium Synechococcus sp. PCC 7002: Overproduction of the Protein in Escherichia coli and Characterization of a psaE Mutant. Mol. Microbiol. 9:183- 194. Yu, L., J. Zhao, U. Mühlenhoff, P.R. Chitnis, D.A. Bryant, and J.H. Golbeck. PsaE is Required for Cyclic Electron Flow Around Photosystem I in the Cyanobacterium Synechococcus sp. PCC 6803. Plant Physiol. 103:171-180. Yu, L., J. Zhao, W. Liu, D.A. Bryant, and J.H. Golbeck. Characterization of the [3Fe-4S] and [4Fe-4S] Clusters in Unbound PsaC Mutants Cl4D and C5lD. The Midpoint Potentials of the Single [4Fe-4S] Clusters are Identical to FA and FB in Bound PsaC of Photosystem I. Biochemistry. 32:825l-8258. Debreczeny, M.P., K. Sauer, J. Zhou, and D.A. Bryant. Monomeric C-phycocyanin at Room Temperature and 77 K: Resolution of the Absorption and Fluorescence Spectra of the Individual Chromophores and the Energy Transfer Rate Constants. J. Phys. Chem. 97:9852-9862. 1992 Lockhart, P.J., C.J. Howe, D.A. Bryant, T.J. Beanland, and A.W.D. Larkum. Substitutional Bias Confounds Inference of Cyanelle Origins from Sequence Data. J. Mol. Evol. 34:153-162. Rhiel, E., V.L. Stirewalt, G.E. Gasparich, and D.A. Bryant. The psaC Genes of Synechococcus sp. PCC 7002 and the Cyanelle Genome of Cyanophora paradoxa. Gene 112:123-128. Glauser, M., W. Sidler, K. Graham, D.A. Bryant, G. Frank, E. Wehrli, and H. Zuber. Three C-phycoerythrin Associated Linker Polypeptides in the Phycobilisomes of the Cyanobacterium Calothrix sp. PCC 7601 Grown in Green Light. FEBS Lett. 297:19-23. Schluchter, W.M. and D.A. Bryant. Molecular Characterization of Ferredoxin-NADP+ Reductase in Cyanobacteria: Cloning and Sequence of the petH Gene of Synechococcus sp. PCC 7002 and Studies on the Gene Product. Biochemistry 31: 3092-3102. Glauser, M., D.A. Bryant, G. Frank, E. Wehrli, W. Sidler, and H. Zuber. Phycobilisome Structure in the Cyanobacteria Mastigocladus laminosus and Anabaena sp. PCC 7120: A New Model. Eur. J. Biochem. 205:907-915. Glauser, M., V.L. Stirewalt, D.A. Bryant, W. Sidler, and H. Zuber. Structure of the Genes Encoding the Rod-core Linker Polypeptides of Mastigocladus laminosus Phycobilisomes and Functional Aspects of the Phycobiliprotein-linker Polypeptide Interactions. Eur. J. Biochem. 205:927-937. Bryant, D.A. Puzzles of Chloroplast Ancestry. Curr. Biol. 2:240-242. Zhao, J., N. Li, P.V. Warren, J.H. Golbeck, and D.A. Bryant. Site-directed Conversion of a Cysteine to Aspartate Leads to the Assembly of a [3Fe-4S] Cluster in PsaC of Photosystem I. The Photoreduction of FA is Independent of FB at Low Temperature. Biochemistry 31:5093-5099. Zhou, J., G.E. Gasparich, V.L. Stirewalt, R. de Lorimier, and D.A. Bryant. The cpcE and cpcF Genes of Synechococcus sp. PCC 7002: Construction and Phenotypic Characterization of Interposon Mutants. J. Biol. Chem. 267:16138-16145. Swanson, R.V., J. Zhou, R. de Lorimier, J.A. Leary, T. Williams, D.A. Bryant, and A.N. Glazer. Characterization of Phycocyanin Produced by cpcE and cpcF Mutants and Identification of an Intergenic Suppressor of the Defect in Bilin Attachment. J. Biol. Chem. 267:16146-16154. Fairchild, C.D., J. Zhao, J. Zhou, S.E. Colson, D.A. Bryant, and A.N. Glazer. Phycocyanin a Subunit Phycocyanobilin Lyase. Proc. Nat. Acad. Sci. USA 89:7017-7021. Gindt, Y.M., J. Zhou, D.A. Bryant, and K. Sauer. Core Mutations of Synechococcus sp. PCC 7002 Phycobilisomes: A Spectroscopic Study. J. Photochem. Photobiol. B. 15:75-89. Bryant, D.A. Molecular Biology of Photosystem I. In: Topics in Photosynthesis, Vol. 11, The Photosystems: Structure, Function and Molecular Biology. (J. Barber, ed.), pp. 501-549. Elsevier, Amsterdam. Zhao, J., J. Zhou, and D.A. Bryant. Energy Transfer Processes in Phycobilisomes as Deduced from Analyses of Mutants of Synechococcus sp. PCC 7002. In: Research in Photosynthesis. (N. Murata, ed.), pp. 25-32. Kluwer, Dordrecht. Chung, S. and D.A. Bryant. Genes Encoding Chlorosome Components in the Green Sulfur Bacteria Chlorobium vibrioforme 8327D and Chlorobium tepidum. In: Research in Photosynthesis. (N. Murata, ed.), pp. 69-72. Kluwer, Dordrecht. Yu, L., J.H. Golbeck, J. Zhao, W.M. Schluchter, U. Mühlenhoff, and D.A. Bryant. The PsaE Protein is Required for Cyclic Electron Flow Around Photosystem I in Synechococcus sp. PCC 7002. In: Research in Photosynthesis. (N. Murata, ed.), pp. 565-568. Kluwer, Dordrecht. 1991 Bryant, D.A. Cyanobacterial Phycobilisomes: Progress Towards a Complete Structural and Functional Analysis Via Molecular Genetics. In: Cell Culture and Somatic Cell Genetics of Plants, Volume 7B: The Molecular Biology of Plastids and Mitochondria. (L. Bogorad and I.K. Vasil, eds.), pp. 255-298. Academic Press, New York. Bryant, D.A., W.M. Schluchter, and V.L. Stirewalt. Ferredoxin and Ribosomal Protein S10 are Encoded on the Cyanelle Genome of Cyanophora Paradoxa. Gene 98:169-175. Bryant, D.A., V.L. Stirewalt, M. Glauser, G. Frank, W. Sidler, and H. Zuber. A Small Multigene Family Encodes the Rod-Core Linker Polypeptides of Anabaena sp. PCC 7120 phycobilisomes. Gene 107:91-99. Dubbs, J.M. and D.A. Bryant. Molecular Cloning and Transcriptional Analysis of the cpeBA Operon of the Cyanobacterium Pseudanabaena sp. PCC 7409. Mol. Microbiol. 5:3073-3085. Golbeck J.H. and D.A. Bryant. Photosystem I. In: Current Topics in Bioenergetics: Light-Driven Reactions in Bioenergetics. (C.P. Lee, ed.), pp. 83-177. Academic Press, New York. Li, N., P.V. Warren, J.H. Golbeck, G. Frank, H. Zuber, and D.A. Bryant. Polypeptide Composition of the Photosystem I Complex and the Photosystem I Core Protein From Synechococcus sp. PCC 6301. Biochim. Biophys. Acta. 1059:215-225. Li, N., J. Zhao, P.V. Warren, J.T. Warden, D.A. Bryant, and J.H. Golbeck. PsaD is Required for the Stable Binding of PsaC to the Photosystem I Core Protein of Synechococcus sp. PCC 6301. Biochemistry 30:7863-7872.
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