rhodobacter sphaeroides

Summary

Summary: Spherical phototrophic bacteria found in mud and stagnant water exposed to light.

Top Publications

  1. Bell C, Porter S, Strawson A, Stuart D, Armitage J. Using structural information to change the phosphotransfer specificity of a two-component chemotaxis signalling complex. PLoS Biol. 2010;8:e1000306 pubmed publisher
    ..In summary, our results provide valuable insight into how cells mediate specificity in one of the most abundant signalling pathways in biology, two-component signal transduction. ..
  2. Glaeser J, Nuss A, Berghoff B, Klug G. Singlet oxygen stress in microorganisms. Adv Microb Physiol. 2011;58:141-73 pubmed publisher
    ..on the regulation of this response has only been obtained for the phototrophic alpha-proteobacterium Rhodobacter sphaeroides. In this organism and in related proteobacteria, the extracytoplasmic function (ECF) sigma factor RpoE is ..
  3. Tsuzuki M, Moskvin O, Kuribayashi M, Sato K, Retamal S, Abo M, et al. Salt stress-induced changes in the transcriptome, compatible solutes, and membrane lipids in the facultatively phototrophic bacterium Rhodobacter sphaeroides. Appl Environ Microbiol. 2011;77:7551-9 pubmed publisher
    Responses to NaCl stress were investigated in phototrophically grown Alphaproteobacterium Rhodobacter sphaeroides by transcriptome profiling, mutational analysis, and measurements of compatible solutes and membrane phospholipids...
  4. Metz S, J ger A, Klug G. Role of a short light, oxygen, voltage (LOV) domain protein in blue light- and singlet oxygen-dependent gene regulation in Rhodobacter sphaeroides. Microbiology. 2012;158:368-79 pubmed publisher
    The facultatively photosynthetic bacterium Rhodobacter sphaeroides harbours an unusual light, oxygen, voltage (LOV) domain protein, RsLOV...
  5. Berghoff B, Glaeser J, Sharma C, Vogel J, Klug G. Photooxidative stress-induced and abundant small RNAs in Rhodobacter sphaeroides. Mol Microbiol. 2009;74:1497-512 pubmed publisher
    ..photooxidative stress by the bacteriochlorophyll a mediated formation of singlet oxygen ((1)O(2)) in Rhodobacter sphaeroides. Our study reports the genome-wide search for small RNAs (sRNAs) involved in the regulatory response to (..
  6. Pilizota T, Brown M, Leake M, Branch R, Berry R, Armitage J. A molecular brake, not a clutch, stops the Rhodobacter sphaeroides flagellar motor. Proc Natl Acad Sci U S A. 2009;106:11582-7 pubmed publisher
    ..Unlike most species that swim with bidirectional motors, Rhodobacter sphaeroides employs a single stop-start flagellar motor...
  7. Frühwirth S, Teich K, Klug G. Effects of the cryptochrome CryB from Rhodobacter sphaeroides on global gene expression in the dark or blue light or in the presence of singlet oxygen. PLoS ONE. 2012;7:e33791 pubmed publisher
    ..controlling the formation of the photosynthetic apparatus in the facultatively photosynthetic bacterium Rhodobacter sphaeroides. Among the proteins affecting photosynthesis gene expression is the blue light photoreceptor cryptochrome ..
  8. Kien N, Kong I, Lee M, Kim J. Coenzyme Q10 production in a 150-l reactor by a mutant strain of Rhodobacter sphaeroides. J Ind Microbiol Biotechnol. 2010;37:521-9 pubmed publisher
    ..sphaeroides used in this study was a potential high CoQ(10) producer. This is the first detailed study to demonstrate a pilot-scale production of CoQ(10) using a mutant strain of R. sphaeroides. ..
  9. Jaschke P, Saer R, Noll S, Beatty J. Modification of the genome of Rhodobacter sphaeroides and construction of synthetic operons. Methods Enzymol. 2011;497:519-38 pubmed publisher
    The ?-proteobacterium Rhodobacter sphaeroides is an exemplary model organism for the creation and study of novel protein expression systems, especially membrane protein complexes that harvest light energy to yield electrical energy...

More Information

Publications85

  1. Hiser C, Buhrow L, Liu J, Kuhn L, Ferguson Miller S. A conserved amphipathic ligand binding region influences k-path-dependent activity of cytochrome C oxidase. Biochemistry. 2013;52:1385-96 pubmed publisher
    ..and porphyrins bind to this site and affect the already 50% inhibited activity of the E101A mutant of Rhodobacter sphaeroides CcO as well as altering the activity of wild-type and bovine enzymes...
  2. Omadjela O, Narahari A, Strumillo J, Mélida H, Mazur O, Bulone V, et al. BcsA and BcsB form the catalytically active core of bacterial cellulose synthase sufficient for in vitro cellulose synthesis. Proc Natl Acad Sci U S A. 2013;110:17856-61 pubmed publisher
    ..demonstrate robust in vitro cellulose synthesis reconstituted from purified BcsA and BcsB proteins from Rhodobacter sphaeroides. Although BcsA is the catalytically active subunit, the membrane-anchored BcsB subunit is essential for ..
  3. Jackson P, Lewis H, Tucker J, Hunter C, Dickman M. Quantitative proteomic analysis of intracytoplasmic membrane development in Rhodobacter sphaeroides. Mol Microbiol. 2012;84:1062-78 pubmed publisher
    ..Previous radiolabelling and ultrastructural experiments have shown that ICM assembly in Rhodobacter sphaeroides is initiated at indentations of the cytoplasmic membrane, termed UPB...
  4. Ind A, Porter S, Brown M, Byles E, de Beyer J, Godfrey S, et al. Inducible-expression plasmid for Rhodobacter sphaeroides and Paracoccus denitrificans. Appl Environ Microbiol. 2009;75:6613-5 pubmed publisher
    ..plasmid, pIND4, which allows graduated levels of protein expression in the alphaproteobacteria Rhodobacter sphaeroides and Paracoccus denitrificans...
  5. Chou M, Yang M. Analyses of binding sequences of the PhaR protein of Rhodobacter sphaeroides FJ1. FEMS Microbiol Lett. 2010;302:138-43 pubmed publisher
    ..protein, and PHB depolymerase, respectively, and are located in the same locus in the genome of Rhodobacter sphaeroides FJ1, a purple nonsulfur bacterium capable of producing PHB...
  6. Peuser V, Glaeser J, Klug G. The RSP_2889 gene product of Rhodobacter sphaeroides is a CueR homologue controlling copper-responsive genes. Microbiology. 2011;157:3306-13 pubmed publisher
    ..Here we show that the gene product of RSP_2889 of the facultatively photosynthetic bacterium Rhodobacter sphaeroides is homologous to CueR, a regulator of copper metabolism in Escherichia coli and other bacteria...
  7. Rizk M, Laguna R, Smith K, Tabita F, Liao J. Redox homeostasis phenotypes in RubisCO-deficient Rhodobacter sphaeroides via ensemble modeling. Biotechnol Prog. 2011;27:15-22 pubmed publisher
    ..EM) was used to examine the behavior of mutant strains of the nonsulfur purple photosynthetic bacterium Rhodobacter sphaeroides containing a blockage in the primary CO(2) assimilatory pathway, which is responsible for cellular redox ..
  8. Ratcliffe E, Tunnicliffe R, Ng I, Adams P, Qian P, Holden Dye K, et al. Experimental evidence that the membrane-spanning helix of PufX adopts a bent conformation that facilitates dimerisation of the Rhodobacter sphaeroides RC-LH1 complex through N-terminal interactions. Biochim Biophys Acta. 2011;1807:95-107 pubmed publisher
    ..In the present report, NMR data recorded on the Rhodobacter sphaeroides PufX in a detergent micelle confirmed previous conclusions derived from equivalent data obtained in ..
  9. Sasaki K, Morikawa H, Kishibe T, Mikami A, Harada T, Ohta M. Practical removal of radioactivity from sediment mud in a swimming pool in Fukushima, Japan by immobilized photosynthetic bacteria. Biosci Biotechnol Biochem. 2012;76:859-62 pubmed
  10. Sullivan M, Curson A, Shearer N, Todd J, Green R, Johnston A. Unusual regulation of a leaderless operon involved in the catabolism of dimethylsulfoniopropionate in Rhodobacter sphaeroides. PLoS ONE. 2011;6:e15972 pubmed publisher
    b>Rhodobacter sphaeroides strain 2.4.1 is a widely studied bacterium that has recently been shown to cleave the abundant marine anti-stress molecule dimethylsulfoniopropionate (DMSP) into acrylate plus gaseous dimethyl sulfide...
  11. Conrad K, Bilwes A, Crane B. Light-induced subunit dissociation by a light-oxygen-voltage domain photoreceptor from Rhodobacter sphaeroides. Biochemistry. 2013;52:378-91 pubmed publisher
    ..kinetics, association properties, and spectroscopic features of a full-length LOV domain protein from Rhodobacter sphaeroides (RsLOV)...
  12. Qian P, Papiz M, Jackson P, Brindley A, Ng I, Olsen J, et al. Three-dimensional structure of the Rhodobacter sphaeroides RC-LH1-PufX complex: dimerization and quinone channels promoted by PufX. Biochemistry. 2013;52:7575-85 pubmed publisher
    ..The dimeric RC-LH1-PufX complex of Rhodobacter sphaeroides is composed of 64 polypeptides and 128 cofactors, including 56 LH1 bacteriochlorophyll a (BChl a) ..
  13. Liu W, Kuan Y, Chiu K, Wang W, Chang F, Liu C, et al. The extract of Rhodobacter sphaeroides inhibits melanogenesis through the MEK/ERK signaling pathway. Mar Drugs. 2013;11:1899-908 pubmed publisher
    ..Previously, we found that the extracts of Rhodobacter sphaeroides (Lycogen™) inhibited nitric oxide production and inducible nitric-oxide synthase expression in ..
  14. Berghoff B, Glaeser J, Nuss A, Zobawa M, Lottspeich F, Klug G. Anoxygenic photosynthesis and photooxidative stress: a particular challenge for Roseobacter. Environ Microbiol. 2011;13:775-91 pubmed publisher
    ..b>Rhodobacter sphaeroides, an anaerobic anoxygenic phototroph, represses photosynthesis genes at high oxygen tension...
  15. Laguna R, Tabita F, Alber B. Acetate-dependent photoheterotrophic growth and the differential requirement for the Calvin-Benson-Bassham reductive pentose phosphate cycle in Rhodobacter sphaeroides and Rhodopseudomonas palustris. Arch Microbiol. 2011;193:151-4 pubmed publisher
    b>Rhodobacter sphaeroides ribulose-1,5-bisphosphate carboxylase/oxygenase (RubisCO)-deletion strain 16 was capable of photoheterotrophic growth with acetate, while Rhodopseudomonas palustris RubisCO-deletion strain 2040 could not grow ..
  16. Scott K, Porter S, Bagg E, Hamer R, Hill J, Wilkinson D, et al. Specificity of localization and phosphotransfer in the CheA proteins of Rhodobacter sphaeroides. Mol Microbiol. 2010;76:318-30 pubmed publisher
    ..The chemosensory pathway of Rhodobacter sphaeroides comprises multiple homologues of chemotaxis proteins characterized in organisms such as Escherichia coli...
  17. Yen H, Shih T. Coenzyme Q10 production by Rhodobacter sphaeroides in stirred tank and in airlift bioreactor. Bioprocess Biosyst Eng. 2009;32:711-6 pubmed publisher
    ..11 mg/l obtained in stirred tank under the aerobic-dark cultivation of Rhodobacter sphaeroides. Aeration rate didn't show obvious impact to CoQ(10) production in airlift bioreactor...
  18. Schneider K, Asao M, Carter M, Alber B. Rhodobacter sphaeroides uses a reductive route via propionyl coenzyme A to assimilate 3-hydroxypropionate. J Bacteriol. 2012;194:225-32 pubmed publisher
    ..This work uses the model bacterium Rhodobacter sphaeroides to begin to elucidate how 3-hydroxypropionate can be incorporated into cell constituents...
  19. Roberts M, Wadhams G, Hadfield K, Tickner S, Armitage J. ParA-like protein uses nonspecific chromosomal DNA binding to partition protein complexes. Proc Natl Acad Sci U S A. 2012;109:6698-703 pubmed publisher
    ..Given the large number of genomes that encode orphan ParAs, this may be a common mechanism regulating segregation of proteins and protein complexes...
  20. Moody R, Phillips Jones M, Williamson M. NMR assignment of the Rhodobacter sphaeroides fasciclin-1 domain protein (Fdp). Biomol NMR Assign. 2007;1:11-2 pubmed publisher
    ..assignment of 1H, 13C and 15N nuclei in the 137-residue his-tagged fasciclin domain protein (Fdp) from Rhodobacter sphaeroides. Fdp is homologous to fasciclin I domains, including Drosophila FAS1 and M...
  21. Lim S, Kim S, Cha S, Oh Y, Rhee H, Kim M, et al. Complete genome sequence of Rhodobacter sphaeroides KD131. J Bacteriol. 2009;191:1118-9 pubmed publisher
    b>Rhodobacter sphaeroides is a purple nonsulfur photosynthetic bacterium that is considered a possible source of H(2) production. R...
  22. Zheng Z, Dutton P, Gunner M. The measured and calculated affinity of methyl- and methoxy-substituted benzoquinones for the Q(A) site of bacterial reaction centers. Proteins. 2010;78:2638-54 pubmed publisher
    ..neutral benzoquinones were measured for the high affinity Q(A) site in the detergent-solubilized Rhodobacter sphaeroides bacterial photosynthetic reaction center...
  23. Ouyang H, Han H, Roh J, Hemp J, Hosler J, Gennis R. Functional importance of a pair of conserved glutamic acid residues and of Ca(2+) binding in the cbb(3)-type oxygen reductases from Rhodobacter sphaeroides and Vibrio cholerae. Biochemistry. 2012;51:7290-6 pubmed publisher
    ..work, mutations of these glutamates are investigated in the cbb(3)-type oxidases from Vibrio cholerae and Rhodobacter sphaeroides. Metal analysis shows that each of these wild-type enzymes contains Ca(2+)...
  24. Li X, Liu T, Wu Y, Zhao G, Zhou Z. Derepressive effect of NH4+ on hydrogen production by deleting the glnA1 gene in Rhodobacter sphaeroides. Biotechnol Bioeng. 2010;106:564-72 pubmed publisher
    ..In this study, the Rhodobacter sphaeroides 6016 glnA gene encoding glutamine synthetase (GS) was knocked out by homologous recombination, and the ..
  25. Czapla M, Cieluch E, Borek A, Sarewicz M, Osyczka A. Catalytically-relevant electron transfer between two hemes bL in the hybrid cytochrome bc1-like complex containing a fusion of Rhodobacter sphaeroides and capsulatus cytochromes b. Biochim Biophys Acta. 2013;1827:751-60 pubmed publisher
    ..Both types of the fusion complexes (B-B and BS-B) consistently implicate that the heme-bL-bL bridge forms an electronic connection available for inter-monomer electron transfer in cytochrome bc1...
  26. Sarma R, Barney B, Hamilton T, Jones A, Seefeldt L, Peters J. Crystal structure of the L protein of Rhodobacter sphaeroides light-independent protochlorophyllide reductase with MgADP bound: a homologue of the nitrogenase Fe protein. Biochemistry. 2008;47:13004-15 pubmed publisher
    The L protein (BchL) of the dark-operative protochlorophyllide reductase (DPOR) from Rhodobacter sphaeroides has been purified from an Azotobacter vinelandii expression system; its interaction with nucleotides has been examined, and the ..
  27. Siletsky S, Zhu J, Gennis R, Konstantinov A. Partial steps of charge translocation in the nonpumping N139L mutant of Rhodobacter sphaeroides cytochrome c oxidase with a blocked D-channel. Biochemistry. 2010;49:3060-73 pubmed publisher
    The N139L substitution in the D-channel of cytochrome oxidase from Rhodobacter sphaeroides results in an approximately 15-fold decrease in the turnover number and a loss of proton pumping...
  28. Roberts M, August E, Hamadeh A, Maini P, McSharry P, Armitage J, et al. A model invalidation-based approach for elucidating biological signalling pathways, applied to the chemotaxis pathway in R. sphaeroides. BMC Syst Biol. 2009;3:105 pubmed publisher
    ..Often, however, the same experimental data can be represented by several competing network models...
  29. Erb T, Frerichs Revermann L, Fuchs G, Alber B. The apparent malate synthase activity of Rhodobacter sphaeroides is due to two paralogous enzymes, (3S)-Malyl-coenzyme A (CoA)/{beta}-methylmalyl-CoA lyase and (3S)- Malyl-CoA thioesterase. J Bacteriol. 2010;192:1249-58 pubmed publisher
    ..In this study the roles of Mcl1 and Mcl2, two malyl-CoA lyase homologs in Rhodobacter sphaeroides, were investigated by gene inactivation and biochemical studies...
  30. Imam S, Yilmaz S, Sohmen U, Gorzalski A, Reed J, Noguera D, et al. iRsp1095: a genome-scale reconstruction of the Rhodobacter sphaeroides metabolic network. BMC Syst Biol. 2011;5:116 pubmed publisher
    b>Rhodobacter sphaeroides is one of the best studied purple non-sulfur photosynthetic bacteria and serves as an excellent model for the study of photosynthesis and the metabolic capabilities of this and related facultative organisms...
  31. Berghoff B, Konzer A, Mank N, Looso M, Rische T, Förstner K, et al. Integrative "omics"-approach discovers dynamic and regulatory features of bacterial stress responses. PLoS Genet. 2013;9:e1003576 pubmed publisher
    ..In the phototrophic bacterium Rhodobacter sphaeroides the response to singlet oxygen is initiated by alternative sigma factors...
  32. Hendrischk A, Moldt J, Frühwirth S, Klug G. Characterization of an unusual LOV domain protein in the alpha-proteobacterium Rhodobacter sphaeroides. Photochem Photobiol. 2009;85:1254-9 pubmed publisher
    The facultatively phototrophic purple bacterium Rhodobacter sphaeroides 2.4.1 harbors a LOV (light, oxygen and voltage) domain protein, which shows a particular structure...
  33. Yin L, Dragnea V, Bauer C. PpsR, a regulator of heme and bacteriochlorophyll biosynthesis, is a heme-sensing protein. J Biol Chem. 2012;287:13850-8 pubmed publisher
    ..In this study, we demonstrate that FLAG-tagged PpsR isolated from Rhodobacter sphaeroides cells contains bound heme...
  34. Lin M, Gennis R. Product-controlled steady-state kinetics between cytochrome aa(3) from Rhodobacter sphaeroides and equine ferrocytochrome c analyzed by a novel spectrophotometric approach. Biochim Biophys Acta. 2012;1817:1894-900 pubmed publisher
    ..In this study, the oxidation of horse cyt c(2+) by CcO from Rhodobacter sphaeroides, was monitored using stopped-flow spectrophotometry...
  35. Mank N, Berghoff B, Hermanns Y, Klug G. Regulation of bacterial photosynthesis genes by the small noncoding RNA PcrZ. Proc Natl Acad Sci U S A. 2012;109:16306-11 pubmed publisher
    The small RNA PcrZ (photosynthesis control RNA Z) of the facultative phototrophic bacterium Rhodobacter sphaeroides is induced upon a drop of oxygen tension with similar kinetics to those of genes for components of photosynthetic ..
  36. Canniffe D, Jackson P, Hollingshead S, Dickman M, Hunter C. Identification of an 8-vinyl reductase involved in bacteriochlorophyll biosynthesis in Rhodobacter sphaeroides and evidence for the existence of a third distinct class of the enzyme. Biochem J. 2013;450:397-405 pubmed publisher
    The purple phototrophic bacterium Rhodobacter sphaeroides utilises bacteriochlorophyll a for light harvesting and photochemistry...
  37. Arai H, Roh J, Eraso J, Kaplan S. Transcriptome response to nitrosative stress in Rhodobacter sphaeroides 2.4.1. Biosci Biotechnol Biochem. 2013;77:111-8 pubmed
    The facultative photosynthetic bacterium Rhodobacter sphaeroides 2.4.1 has a nitric oxide-response transcriptional regulator, NnrR, and nitric oxide reductase (NOR), although it is incapable of denitrification...
  38. Nam T, ZIEGELHOFFER E, Lemke R, Donohue T. Proteins needed to activate a transcriptional response to the reactive oxygen species singlet oxygen. MBio. 2013;4:e00541-12 pubmed publisher
    ..One way that the photosynthetic bacterium Rhodobacter sphaeroides protects itself from (1)O(2) is by inducing a transcriptional response controlled by ChrR, an anti-? ..
  39. Zimin A, Marçais G, Puiu D, Roberts M, Salzberg S, Yorke J. The MaSuRCA genome assembler. Bioinformatics. 2013;29:2669-77 pubmed publisher
    ..We call our system the Maryland Super-Read Celera Assembler (abbreviated MaSuRCA and pronounced 'mazurka')...
  40. Greenwell R, Nam T, Donohue T. Features of Rhodobacter sphaeroides ChrR required for stimuli to promote the dissociation of ?(E)/ChrR complexes. J Mol Biol. 2011;407:477-91 pubmed publisher
    In the photosynthetic bacterium Rhodobacter sphaeroides, a transcriptional response to the reactive oxygen species singlet oxygen ((1)O(2)) is mediated by ChrR, a zinc metalloprotein that binds to and inhibits the activity of the ..
  41. Porter S, Wadhams G, Armitage J. Signal processing in complex chemotaxis pathways. Nat Rev Microbiol. 2011;9:153-65 pubmed publisher
    ..This article focuses on one of the best understood complex networks, which is found in Rhodobacter sphaeroides and integrates sensory data about the external environment and the metabolic state of the cell to produce ..
  42. Gray M, Escalante Semerena J. The cobinamide amidohydrolase (cobyric acid-forming) CbiZ enzyme: a critical activity of the cobamide remodelling system of Rhodobacter sphaeroides. Mol Microbiol. 2009;74:1198-210 pubmed publisher
    ..Work reported here uncovers the strategy used by the photosynthetic alpha-proteobacterium Rhodobacter sphaeroides to procure the cobamide it needs to grow on acetate as a carbon and energy source...
  43. Metz S, Hendriks J, Jager A, Hellingwerf K, Klug G. In vivo effects on photosynthesis gene expression of base pair exchanges in the gene encoding the light-responsive BLUF domain of AppA in Rhodobacter sphaeroides. Photochem Photobiol. 2010;86:882-9 pubmed publisher
    The Rhodobacter sphaeroides protein AppA has the unique quality of sensing and transmitting light and redox signals. By acting as antirepressor to the PpsR protein, it acts as a major regulator in photosynthesis gene expression...
  44. Nuss A, Glaeser J, Berghoff B, Klug G. Overlapping alternative sigma factor regulons in the response to singlet oxygen in Rhodobacter sphaeroides. J Bacteriol. 2010;192:2613-23 pubmed publisher
    ..factors RpoH(I) and RpoH(II) are both involved in the (1)O(2) response and in the heat stress response in Rhodobacter sphaeroides. We propose RpoH(II) to be the major player in the (1)O(2) response, whereas RpoH(I) is more important ..
  45. Dangel A, Tabita F. Protein-protein interactions between CbbR and RegA (PrrA), transcriptional regulators of the cbb operons of Rhodobacter sphaeroides. Mol Microbiol. 2009;71:717-29 pubmed publisher
    ..regulators of the cbb(I) and cbb(II) (Calvin-Benson-Bassham CO(2) fixation pathway) operons of Rhodobacter sphaeroides. Both proteins interact specifically with promoter sequences of the cbb operons...
  46. Dragnea V, Arunkumar A, Yuan H, Giedroc D, Bauer C. Spectroscopic studies of the AppA BLUF domain from Rhodobacter sphaeroides: addressing movement of tryptophan 104 in the signaling state. Biochemistry. 2009;48:9969-79 pubmed publisher
    ..These results do not support a model of Trp104 movement as a key output signal...
  47. Sabaty M, Adryanczyk G, Roustan C, Cuiné S, Lamouroux C, Pignol D. Coproporphyrin excretion and low thiol levels caused by point mutation in the Rhodobacter sphaeroides S-adenosylmethionine synthetase gene. J Bacteriol. 2010;192:1238-48 pubmed publisher
    A spontaneous mutant of Rhodobacter sphaeroides f. sp. denitrificans IL-106 was found to excrete a large amount of a red compound identified as coproporphyrin III, an intermediate in bacteriochlorophyll and heme synthesis...
  48. Nuss A, Glaeser J, Klug G. RpoH(II) activates oxidative-stress defense systems and is controlled by RpoE in the singlet oxygen-dependent response in Rhodobacter sphaeroides. J Bacteriol. 2009;191:220-30 pubmed publisher
    ..that deletion of rpoH(II) leads to increased sensitivity against exposure to (1)O(2) and methylglyoxal in Rhodobacter sphaeroides. The gene encoding RpoH(II) is controlled by RpoE, and thereby a sigma factor cascade is constituted...
  49. Nam K, Xu Y, Piao S, Priyadarshi A, Lee E, Kim H, et al. Crystal structure of bacterioferritin from Rhodobacter sphaeroides. Biochem Biophys Res Commun. 2010;391:990-4 pubmed publisher
    ..Here, we report the crystal structure of bacterioferritin from Rhodobacter sphaeroides. This protein exists in a roughly spherical configuration via the assembly of 24 subunits...
  50. Asao M, Alber B. Acrylyl-coenzyme A reductase, an enzyme involved in the assimilation of 3-hydroxypropionate by Rhodobacter sphaeroides. J Bacteriol. 2013;195:4716-25 pubmed publisher
    The anoxygenic phototroph Rhodobacter sphaeroides uses 3-hydroxypropionate as a sole carbon source for growth...
  51. Ng I, Adams P, Mothersole D, Vasilev C, Martin E, Lang H, et al. Carotenoids are essential for normal levels of dimerisation of the RC-LH1-PufX core complex of Rhodobacter sphaeroides: characterisation of R-26 as a crtB (phytoene synthase) mutant. Biochim Biophys Acta. 2011;1807:1056-63 pubmed publisher
    ..on the oligomeric state of the reaction centre-light-harvesting 1 -PufX (RC-LH1-PufX) core complex of Rhodobacter sphaeroides two carotenoid-less mutants, TC70 and R-26, were studied...
  52. Hartsock A, Shapleigh J. Physiological roles for two periplasmic nitrate reductases in Rhodobacter sphaeroides 2.4.3 (ATCC 17025). J Bacteriol. 2011;193:6483-9 pubmed publisher
    The metabolically versatile purple bacterium Rhodobacter sphaeroides 2.4.3 is a denitrifier whose genome contains two periplasmic nitrate reductase-encoding gene clusters...
  53. Thompson A, Gray J, Liu A, Hosler J. The roles of Rhodobacter sphaeroides copper chaperones PCu(A)C and Sco (PrrC) in the assembly of the copper centers of the aa(3)-type and the cbb(3)-type cytochrome c oxidases. Biochim Biophys Acta. 2012;1817:955-64 pubmed publisher
    The ? proteobacter Rhodobacter sphaeroides accumulates two cytochrome c oxidases (CcO) in its cytoplasmic membrane during aerobic growth: a mitochondrial-like aa(3)-type CcO containing a di-copper Cu(A) center and mono-copper Cu(B), plus ..
  54. Kim E, Kim J, Rhee H, Lee J. Growth arrest of Synechocystis sp. PCC6803 by superoxide generated from heterologously expressed Rhodobacter sphaeroides chlorophyllide a reductase. FEBS Lett. 2009;583:219-23 pubmed publisher
    The photosynthetic growth of Synechocystis sp. PCC6803 ceased upon expression of Rhodobacter sphaeroides chlorophyllide a reductase (COR). However, an increase in cytosolic superoxide dismutase level in the recombinant Synechocystis sp...
  55. D Amici G, Rinalducci S, Murgiano L, Italiano F, Zolla L. Oligomeric characterization of the photosynthetic apparatus of Rhodobacter sphaeroides R26.1 by nondenaturing electrophoresis methods. J Proteome Res. 2010;9:192-203 pubmed publisher
    ..membrane (ICM) associated proteins in order to investigate the native supramolecular organization of Rhodobacter sphaeroides R26.1 photosynthetic apparatus...
  56. Brzezinski P, Ojemyr L, Adelroth P. Intermediates generated during the reaction of reduced Rhodobacter sphaeroides cytochrome c oxidase with dioxygen. Biochim Biophys Acta. 2013;1827:843-7 pubmed publisher
    ..Szundi et al. Biochemistry 2012, 51, 9302) investigated the reaction of the reduced Rhodobacter sphaeroides cytochrome c oxidase with O2 and arrived at conclusions different from those derived from earlier ..
  57. Zhang J, Gunner M. Multiconformation continuum electrostatics analysis of the effects of a buried Asp introduced near heme a in Rhodobacter sphaeroides cytochrome c oxidase. Biochemistry. 2010;49:8043-52 pubmed publisher
    ..The stabilization of a heme oxidation in a model complex by a hydrogen bond to the axial His ligand calculated with continuum electrostatics and with density functional theory were in good agreement...
  58. Peuser V, Remes B, Klug G. Role of the Irr protein in the regulation of iron metabolism in Rhodobacter sphaeroides. PLoS ONE. 2012;7:e42231 pubmed publisher
    ..We studied the role of the Irr homolog RSP_3179 in the photosynthetic alpha-proteobacterium Rhodobacter sphaeroides. While Irr had little effect on growth under iron-limiting or non-limiting conditions its deletion ..
  59. Hamadeh A, Ingalls B, Sontag E. Transient dynamic phenotypes as criteria for model discrimination: fold-change detection in Rhodobacter sphaeroides chemotaxis. J R Soc Interface. 2013;10:20120935 pubmed publisher
    The chemotaxis pathway of the bacterium Rhodobacter sphaeroides shares many similarities with that of Escherichia coli. It exhibits robust adaptation and has several homologues of the latter's chemotaxis proteins...
  60. Kors C, Wallace E, Davies D, Li L, Laible P, Nollert P. Effects of impurities on membrane-protein crystallization in different systems. Acta Crystallogr D Biol Crystallogr. 2009;65:1062-73 pubmed publisher
    ..LCP-based crystallizations produced crystals of the photosynthetic reaction center (RC) of Rhodobacter sphaeroides from samples with substantial levels of residual impurities...
  61. Korkhov V, Sachse C, Short J, Tate C. Three-dimensional structure of TspO by electron cryomicroscopy of helical crystals. Structure. 2010;18:677-87 pubmed publisher
    ..We have expressed, purified, and characterized a homologous protein, TspO from Rhodobacter sphaeroides, and reconstituted it as helical crystals...
  62. Adams P, Hunter C. Adaptation of intracytoplasmic membranes to altered light intensity in Rhodobacter sphaeroides. Biochim Biophys Acta. 2012;1817:1616-27 pubmed publisher
    The model photosynthetic bacterium Rhodobacter sphaeroides uses a network of bacteriochlorophyll (BChl)-protein complexes embedded in spherical intracytoplasmic membranes (ICM) to collect and utilise solar energy...
  63. Lee P, Holtzapple E, Schmidt Dannert C. Novel activity of Rhodobacter sphaeroides spheroidene monooxygenase CrtA expressed in Escherichia coli. Appl Environ Microbiol. 2010;76:7328-31 pubmed publisher
    The spheroidene monooxygenase CrtA of Rhodobacter sphaeroides introduces a keto group and/or hydroxy group at the ends of nonnative substrates in Escherichia coli, resulting in the production of novel oxocarotenoids...
  64. Dragnea V, Arunkumar A, Lee C, Giedroc D, Bauer C. A Q63E Rhodobacter sphaeroides AppA BLUF domain mutant is locked in a pseudo-light-excited signaling state. Biochemistry. 2010;49:10682-90 pubmed publisher
    The AppA BLUF photoreceptor from Rhodobacter sphaeroides contains a conserved key residue, Gln63, that is thought to undergo a shift in hydrogen-bonding interactions when a bound flavin is light excited...
  65. Berghoff B, Glaeser J, Sharma C, Zobawa M, Lottspeich F, Vogel J, et al. Contribution of Hfq to photooxidative stress resistance and global regulation in Rhodobacter sphaeroides. Mol Microbiol. 2011;80:1479-95 pubmed publisher
    The photosynthetic alphaproteobacterium Rhodobacter sphaeroides has to cope with photooxidative stress that is caused by the bacteriochlorophyll a-mediated formation of singlet oxygen ((1)O(2))...
  66. Eraso J, Kaplan S. Regulation of gene expression by PrrA in Rhodobacter sphaeroides 2.4.1: role of polyamines and DNA topology. J Bacteriol. 2009;191:4341-52 pubmed publisher
    In the present study, we show in vitro binding of PrrA, a global regulator in Rhodobacter sphaeroides 2.4.1, to the PrrA site 2, within the RSP3361 locus...
  67. Gomelsky L, Moskvin O, Stenzel R, Jones D, Donohue T, Gomelsky M. Hierarchical regulation of photosynthesis gene expression by the oxygen-responsive PrrBA and AppA-PpsR systems of Rhodobacter sphaeroides. J Bacteriol. 2008;190:8106-14 pubmed publisher
    In the facultatively phototrophic proteobacterium Rhodobacter sphaeroides, formation of the photosynthetic apparatus is oxygen dependent...
  68. Porter S, Roberts M, Manning C, Armitage J. A bifunctional kinase-phosphatase in bacterial chemotaxis. Proc Natl Acad Sci U S A. 2008;105:18531-6 pubmed publisher
    ..b>Rhodobacter sphaeroides has a complex chemosensory pathway with multiple homologues of the Escherichia coli chemosensory proteins,..
  69. Peters A, Bavishi A, Cho H, Choudhary M. Evolutionary constraints and expression analysis of gene duplications in Rhodobacter sphaeroides 2.4.1. BMC Res Notes. 2012;5:192 pubmed publisher
    ..b>Rhodobacter sphaeroides 2.4...
  70. Eraso J, Kaplan S. Half-Site DNA sequence and spacing length contributions to PrrA binding to PrrA site 2 of RSP3361 in Rhodobacter sphaeroides 2.4.1. J Bacteriol. 2009;191:4353-64 pubmed publisher
    The consensus DNA binding sequence for PrrA, a global regulator in Rhodobacter sphaeroides 2.4.1, is poorly defined. We have performed mutational analysis of PrrA site 2, of the RSP3361 gene, to which PrrA binds in vitro (J. M...
  71. Adams P, Mothersole D, Ng I, Olsen J, Hunter C. Monomeric RC-LH1 core complexes retard LH2 assembly and intracytoplasmic membrane formation in PufX-minus mutants of Rhodobacter sphaeroides. Biochim Biophys Acta. 2011;1807:1044-55 pubmed publisher
    In the model photosynthetic bacterium Rhodobacter sphaeroides domains of light-harvesting 2 (LH2) complexes surround and interconnect dimeric reaction centre-light-harvesting 1-PufX (RC-LH1-PufX) 'core' complexes, forming extensive ..
  72. Hamadeh A, Roberts M, August E, McSharry P, Maini P, Armitage J, et al. Feedback control architecture and the bacterial chemotaxis network. PLoS Comput Biol. 2011;7:e1001130 pubmed publisher
    ..In this paper we investigate the configuration and role of feedback in Rhodobacter sphaeroides, a bacterium containing multiple homologues of the chemotaxis proteins found in E. coli...
  73. Varanasi L, Hosler J. Alternative initial proton acceptors for the D pathway of Rhodobacter sphaeroides cytochrome c oxidase. Biochemistry. 2011;50:2820-8 pubmed publisher
    ..The results show how the environment of the initial proton acceptor for the D pathway in these CcO forms dictates the pH range of CcO activity, with implications for the function of Asp-132, the normal proton acceptor...
  74. Hendrischk A, Frühwirth S, Moldt J, Pokorny R, Metz S, Kaiser G, et al. A cryptochrome-like protein is involved in the regulation of photosynthesis genes in Rhodobacter sphaeroides. Mol Microbiol. 2009;74:990-1003 pubmed publisher
    ..Recently, we identified a gene for a cryptochrome-like protein (CryB) in the alpha-proteobacterium Rhodobacter sphaeroides. The protein lacks the typical C-terminal extension of cryptochromes, and is not related to the Cry DASH ..
  75. Dufour Y, Imam S, Koo B, Green H, Donohue T. Convergence of the transcriptional responses to heat shock and singlet oxygen stresses. PLoS Genet. 2012;8:e1002929 pubmed publisher
    ..We investigated the target promoters of Rhodobacter sphaeroides RpoH(I) and RpoH(II) using genome-scale data derived from gene expression profiling and the direct ..
  76. Metz S, J ger A, Klug G. In vivo sensitivity of blue-light-dependent signaling mediated by AppA/PpsR or PrrB/PrrA in Rhodobacter sphaeroides. J Bacteriol. 2009;191:4473-7 pubmed publisher
    Formation of photosynthesis complexes in Rhodobacter sphaeroides is regulated in a redox- and light-dependent manner by the AppA/PpsR and PrrB/PrrA systems...