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Differing isoforms of the cobalamin binding photoreceptor AerR oppositely regulate photosystem expression.

Yamamoto H, Fang M, Dragnea V, Bauer CE.

Elife. 2018 Oct 3;7. pii: e39028. doi: 10.7554/eLife.39028.


Regulation of stringent factor by branched-chain amino acids.

Fang M, Bauer CE.

Proc Natl Acad Sci U S A. 2018 Jun 19;115(25):6446-6451. doi: 10.1073/pnas.1803220115. Epub 2018 Jun 4.


Transcriptomic analysis of aerobic respiratory and anaerobic photosynthetic states in Rhodobacter capsulatus and their modulation by global redox regulators RegA, FnrL and CrtJ.

Kumka JE, Schindel H, Fang M, Zappa S, Bauer CE.

Microb Genom. 2017 Jul 8;3(9):e000125. doi: 10.1099/mgen.0.000125. eCollection 2017 Sep.


The RegA regulon exhibits variability in response to altered growth conditions and differs markedly between Rhodobacter species.

Schindel HS, Bauer CE.

Microb Genom. 2016 Oct 21;2(10):e000081. doi: 10.1099/mgen.0.000081. eCollection 2016 Oct.


Sulfide-responsive transcriptional repressor SqrR functions as a master regulator of sulfide-dependent photosynthesis.

Shimizu T, Shen J, Fang M, Zhang Y, Hori K, Trinidad JC, Bauer CE, Giedroc DP, Masuda S.

Proc Natl Acad Sci U S A. 2017 Feb 28;114(9):2355-2360. doi: 10.1073/pnas.1614133114. Epub 2017 Feb 14.


Cobalamin's (Vitamin B12) Surprising Function as a Photoreceptor.

Cheng Z, Yamamoto H, Bauer CE.

Trends Biochem Sci. 2016 Aug;41(8):647-650. doi: 10.1016/j.tibs.2016.05.002. Epub 2016 May 21.


Mapping the CgrA regulon of Rhodospirillum centenum reveals a hierarchal network controlling Gram-negative cyst development.

Dong Q, Fang M, Roychowdhury S, Bauer CE.

BMC Genomics. 2015 Dec 16;16:1066. doi: 10.1186/s12864-015-2248-z.


DNA-binding properties of a cGMP-binding CRP homologue that controls development of metabolically dormant cysts of Rhodospirillum centenum.

Roychowdhury S, Dong Q, Bauer CE.

Microbiology. 2015 Nov;161(11):2256-64. doi: 10.1099/mic.0.000172. Epub 2015 Sep 10.


Members of the PpaA/AerR Antirepressor Family Bind Cobalamin.

Vermeulen AJ, Bauer CE.

J Bacteriol. 2015 Aug;197(16):2694-703. doi: 10.1128/JB.00374-15. Epub 2015 Jun 8.


Evidence that Altered Cis Element Spacing Affects PpsR Mediated Redox Control of Photosynthesis Gene Expression in Rubrivivax gelatinosus.

Shimizu T, Cheng Z, Matsuura K, Masuda S, Bauer CE.

PLoS One. 2015 Jun 1;10(6):e0128446. doi: 10.1371/journal.pone.0128446. eCollection 2015.


Adenylate Charge Regulates Sensor Kinase CheS3 To Control Cyst Formation in Rhodospirillum centenum.

He K, Dragnea V, Bauer CE.

MBio. 2015 May 5;6(3):e00546-15. doi: 10.1128/mBio.00546-15.


Chemosensory signaling systems that control bacterial survival.

He K, Bauer CE.

Trends Microbiol. 2014 Jul;22(7):389-98. doi: 10.1016/j.tim.2014.04.004. Epub 2014 May 1. Review.


Iron homeostasis in the Rhodobacter genus.

Zappa S, Bauer CE.

Adv Bot Res. 2013;66. doi: 10.1016/B978-0-12-397923-0.00010-2.


Phosphate flow between hybrid histidine kinases CheA₃ and CheS₃ controls Rhodospirillum centenum cyst formation.

He K, Marden JN, Quardokus EM, Bauer CE.

PLoS Genet. 2013;9(12):e1004002. doi: 10.1371/journal.pgen.1004002. Epub 2013 Dec 19.


Vitamin B12 regulates photosystem gene expression via the CrtJ antirepressor AerR in Rhodobacter capsulatus.

Cheng Z, Li K, Hammad LA, Karty JA, Bauer CE.

Mol Microbiol. 2014 Feb;91(4):649-64. doi: 10.1111/mmi.12491. Epub 2014 Jan 9.


The LysR-type transcription factor HbrL is a global regulator of iron homeostasis and porphyrin synthesis in Rhodobacter capsulatus.

Zappa S, Bauer CE.

Mol Microbiol. 2013 Dec;90(6):1277-92. doi: 10.1111/mmi.12431. Epub 2013 Nov 8.


Redox and light control the heme-sensing activity of AppA.

Yin L, Dragnea V, Feldman G, Hammad LA, Karty JA, Dann CE 3rd, Bauer CE.

MBio. 2013 Aug 27;4(5):e00563-13. doi: 10.1128/mBio.00563-13.


Controlling the delicate balance of tetrapyrrole biosynthesis.

Yin L, Bauer CE.

Philos Trans R Soc Lond B Biol Sci. 2013 Jun 10;368(1622):20120262. doi: 10.1098/rstb.2012.0262. Print 2013 Jul 19. Review. Erratum in: Philos Trans R Soc Lond B Biol Sci. 2013 Oct;368(1627):20130416.


RegB kinase activity is repressed by oxidative formation of cysteine sulfenic acid.

Wu J, Cheng Z, Reddie K, Carroll K, Hammad LA, Karty JA, Bauer CE.

J Biol Chem. 2013 Feb 15;288(7):4755-62. doi: 10.1074/jbc.M112.413492. Epub 2013 Jan 10.


Activity of the tetrapyrrole regulator CrtJ is controlled by oxidation of a redox active cysteine located in the DNA binding domain.

Cheng Z, Wu J, Setterdahl A, Reddie K, Carroll K, Hammad LA, Karty JA, Bauer CE.

Mol Microbiol. 2012 Aug;85(4):734-46. doi: 10.1111/j.1365-2958.2012.08135.x. Epub 2012 Jul 16.


PpsR, a regulator of heme and bacteriochlorophyll biosynthesis, is a heme-sensing protein.

Yin L, Dragnea V, Bauer CE.

J Biol Chem. 2012 Apr 20;287(17):13850-8. doi: 10.1074/jbc.M112.346494. Epub 2012 Feb 29.


Mutational and structural studies of the PixD BLUF output signal that affects light-regulated interactions with PixE.

Yuan H, Dragnea V, Wu Q, Gardner KH, Bauer CE.

Biochemistry. 2011 Jul 26;50(29):6365-75. doi: 10.1021/bi200701d. Epub 2011 Jun 28.


Cyclic GMP controls Rhodospirillum centenum cyst development.

Marden JN, Dong Q, Roychowdhury S, Berleman JE, Bauer CE.

Mol Microbiol. 2011 Feb;79(3):600-15. doi: 10.1111/j.1365-2958.2010.07513.x. Epub 2011 Jan 9.


A Q63E Rhodobacter sphaeroides AppA BLUF domain mutant is locked in a pseudo-light-excited signaling state.

Dragnea V, Arunkumar AI, Lee CW, Giedroc DP, Bauer CE.

Biochemistry. 2010 Dec 21;49(50):10682-90. doi: 10.1021/bi1002162. Epub 2010 Nov 24.


The tetrapyrrole biosynthetic pathway and its regulation in Rhodobacter capsulatus.

Zappa S, Li K, Bauer CE.

Adv Exp Med Biol. 2010;675:229-50. doi: 10.1007/978-1-4419-1528-3_13. Review.


Metabolic flexibility revealed in the genome of the cyst-forming alpha-1 proteobacterium Rhodospirillum centenum.

Lu YK, Marden J, Han M, Swingley WD, Mastrian SD, Chowdhury SR, Hao J, Helmy T, Kim S, Kurdoglu AA, Matthies HJ, Rollo D, Stothard P, Blankenship RE, Bauer CE, Touchman JW.

BMC Genomics. 2010 May 25;11:325. doi: 10.1186/1471-2164-11-325.


Spectroscopic studies of the AppA BLUF domain from Rhodobacter sphaeroides: addressing movement of tryptophan 104 in the signaling state.

Dragnea V, Arunkumar AI, Yuan H, Giedroc DP, Bauer CE.

Biochemistry. 2009 Oct 27;48(42):9969-79. doi: 10.1021/bi9009067.


Regulation of aerobic photosystem synthesis in the purple bacterium Rhodospirillum centenum by CrtJ and AerR.

Masuda S, Berleman J, Hasselbring BM, Bauer CE.

Photochem Photobiol Sci. 2008 Oct;7(10):1267-72. doi: 10.1039/b802365b. Epub 2008 Sep 16.


RegB/RegA, a global redox-responding two-component system.

Wu J, Bauer CE.

Adv Exp Med Biol. 2008;631:131-48. doi: 10.1007/978-0-387-78885-2_9. Review.


PixE promotes dark oligomerization of the BLUF photoreceptor PixD.

Yuan H, Bauer CE.

Proc Natl Acad Sci U S A. 2008 Aug 19;105(33):11715-9. doi: 10.1073/pnas.0802149105. Epub 2008 Aug 11.


Insight into the haem d1 biosynthesis pathway in heliobacteria through bioinformatics analysis.

Xiong J, Bauer CE, Pancholy A.

Microbiology. 2007 Oct;153(Pt 10):3548-62.


RegA control of bacteriochlorophyll and carotenoid synthesis in Rhodobacter capsulatus.

Willett J, Smart JL, Bauer CE.

J Bacteriol. 2007 Nov;189(21):7765-73. Epub 2007 Jul 6.


Identification of a ubiquinone-binding site that affects autophosphorylation of the sensor kinase RegB.

Swem LR, Gong X, Yu CA, Bauer CE.

J Biol Chem. 2006 Mar 10;281(10):6768-75. Epub 2006 Jan 5.


Involvement of SenC in assembly of cytochrome c oxidase in Rhodobacter capsulatus.

Swem DL, Swem LR, Setterdahl A, Bauer CE.

J Bacteriol. 2005 Dec;187(23):8081-7.


Overexpression and characterization of dark-operative protochlorophyllide reductase from Rhodobacter capsulatus.

Nomata J, Swem LR, Bauer CE, Fujita Y.

Biochim Biophys Acta. 2005 Jun 30;1708(2):229-37. Epub 2005 Mar 2.


RegB/RegA, a highly conserved redox-responding global two-component regulatory system.

Elsen S, Swem LR, Swem DL, Bauer CE.

Microbiol Mol Biol Rev. 2004 Jun;68(2):263-79. Review.


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