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Induction of Rhodobacter capsulatus Gene Transfer Agent Gene Expression Is a Bistable Stochastic Process Repressed by an Extracellular Calcium-Binding RTX Protein Homologue.

Ding H, Grüll MP, Mulligan ME, Lang AS, Beatty JT.

J Bacteriol. 2019 Nov 5;201(23). pii: e00430-19. doi: 10.1128/JB.00430-19. Print 2019 Dec 1.


Porphyrin Excretion Resulting From Mutation of a Gene Encoding a Class I Fructose 1,6-Bisphosphate Aldolase in Rhodobacter capsulatus.

Ding H, Saer RG, Beatty JT.

Front Microbiol. 2019 Feb 22;10:301. doi: 10.3389/fmicb.2019.00301. eCollection 2019.


The Peptidisc, a simple method for stabilizing membrane proteins in detergent-free solution.

Carlson ML, Young JW, Zhao Z, Fabre L, Jun D, Li J, Li J, Dhupar HS, Wason I, Mills AT, Beatty JT, Klassen JS, Rouiller I, Duong F.

Elife. 2018 Aug 15;7. pii: e34085. doi: 10.7554/eLife.34085.


The Protease ClpXP and the PAS Domain Protein DivL Regulate CtrA and Gene Transfer Agent Production in Rhodobacter capsulatus.

Westbye AB, Kater L, Wiesmann C, Ding H, Yip CK, Beatty JT.

Appl Environ Microbiol. 2018 May 17;84(11). pii: e00275-18. doi: 10.1128/AEM.00275-18. Print 2018 Jun 1.


In vivo assembly of a truncated H subunit mutant of the Rhodobacter sphaeroides photosynthetic reaction centre and direct electron transfer from the QA quinone to an electrode.

Jun D, Dhupar HS, Mahmoudzadeh A, Duong F, Madden JDW, Beatty JT.

Photosynth Res. 2018 Aug;137(2):227-239. doi: 10.1007/s11120-018-0493-0. Epub 2018 Mar 9.


A physiological perspective on the origin and evolution of photosynthesis.

Martin WF, Bryant DA, Beatty JT.

FEMS Microbiol Rev. 2018 Mar 1;42(2):205-231. doi: 10.1093/femsre/fux056. Review.


The Rhodobacter capsulatus gene transfer agent is induced by nutrient depletion and the RNAP omega subunit.

Westbye AB, O'Neill Z, Schellenberg-Beaver T, Beatty JT.

Microbiology. 2017 Sep;163(9):1355-1363. doi: 10.1099/mic.0.000519. Epub 2017 Sep 4.


The Distribution, Evolution, and Roles of Gene Transfer Agents in Prokaryotic Genetic Exchange.

Lang AS, Westbye AB, Beatty JT.

Annu Rev Virol. 2017 Sep 29;4(1):87-104. doi: 10.1146/annurev-virology-101416-041624. Epub 2017 Aug 7. Review.


Guaranteeing a captive audience: coordinated regulation of gene transfer agent (GTA) production and recipient capability by cellular regulators.

Westbye AB, Beatty JT, Lang AS.

Curr Opin Microbiol. 2017 Aug;38:122-129. doi: 10.1016/j.mib.2017.05.003. Epub 2017 Jun 6. Review.


Electrochemical Field-Effect Transistor Utilization to Study the Coupling Success Rate of Photosynthetic Protein Complexes to Cytochrome c.

Takshi A, Yaghoubi H, Wang J, Jun D, Beatty JT.

Biosensors (Basel). 2017 Mar 30;7(2). pii: E16. doi: 10.3390/bios7020016.


Ablation of Cyclophilin D Results in an Activation of FAK, Akt, and ERK Pathways in the Mouse Heart.

Klawitter J, Seres T, Pennington A, Beatty JT, Klawitter J, Christians U.

J Cell Biochem. 2017 Sep;118(9):2933-2940. doi: 10.1002/jcb.25947. Epub 2017 Apr 12.


A ZnO nanowire bio-hybrid solar cell.

Yaghoubi H, Schaefer M, Yaghoubi S, Jun D, Schlaf R, Beatty JT, Takshi A.

Nanotechnology. 2017 Feb 3;28(5):054006. doi: 10.1088/1361-6528/28/5/054006. Epub 2016 Dec 28.


Electron Transfer in Bacterial Reaction Centers with the Photoactive Bacteriopheophytin Replaced by a Bacteriochlorophyll through Coordinating Ligand Substitution.

Pan J, Saer R, Lin S, Beatty JT, Woodbury NW.

Biochemistry. 2016 Sep 6;55(35):4909-18. doi: 10.1021/acs.biochem.6b00317. Epub 2016 Aug 22.


Mutation-Induced Changes in the Protein Environment and Site Energies in the (M)L214G Mutant of the Rhodobacter sphaeroides Bacterial Reaction Center.

Jankowiak R, Rancova O, Chen J, Kell A, Saer RG, Beatty JT, Abramavicius D.

J Phys Chem B. 2016 Aug 18;120(32):7859-71. doi: 10.1021/acs.jpcb.6b06151. Epub 2016 Aug 9.


The SOS Response Master Regulator LexA Regulates the Gene Transfer Agent of Rhodobacter capsulatus and Represses Transcription of the Signal Transduction Protein CckA.

Kuchinski KS, Brimacombe CA, Westbye AB, Ding H, Beatty JT.

J Bacteriol. 2016 Feb 1;198(7):1137-48. doi: 10.1128/JB.00839-15.


KV1 channels identified in rodent myelinated axons, linked to Cx29 in innermost myelin: support for electrically active myelin in mammalian saltatory conduction.

Rash JE, Vanderpool KG, Yasumura T, Hickman J, Beatty JT, Nagy JI.

J Neurophysiol. 2016 Apr;115(4):1836-59. doi: 10.1152/jn.01077.2015. Epub 2016 Jan 13.


The TIM Barrel Architecture Facilitated the Early Evolution of Protein-Mediated Metabolism.

Goldman AD, Beatty JT, Landweber LF.

J Mol Evol. 2016 Jan;82(1):17-26. doi: 10.1007/s00239-015-9722-8. Epub 2016 Jan 5.


The Gene Transfer Agent RcGTA Contains Head Spikes Needed for Binding to the Rhodobacter capsulatus Polysaccharide Cell Capsule.

Westbye AB, Kuchinski K, Yip CK, Beatty JT.

J Mol Biol. 2016 Jan 29;428(2 Pt B):477-91. doi: 10.1016/j.jmb.2015.12.010. Epub 2015 Dec 19.


Homologues of Genetic Transformation DNA Import Genes Are Required for Rhodobacter capsulatus Gene Transfer Agent Recipient Capability Regulated by the Response Regulator CtrA.

Brimacombe CA, Ding H, Johnson JA, Beatty JT.

J Bacteriol. 2015 Aug;197(16):2653-63. doi: 10.1128/JB.00332-15. Epub 2015 Jun 1.


Large photocurrent response and external quantum efficiency in biophotoelectrochemical cells incorporating reaction center plus light harvesting complexes.

Yaghoubi H, Lafalce E, Jun D, Jiang X, Beatty JT, Takshi A.

Biomacromolecules. 2015 Apr 13;16(4):1112-8. doi: 10.1021/bm501772x. Epub 2015 Mar 30.


A DNA-directed light-harvesting/reaction center system.

Dutta PK, Levenberg S, Loskutov A, Jun D, Saer R, Beatty JT, Lin S, Liu Y, Woodbury NW, Yan H.

J Am Chem Soc. 2014 Nov 26;136(47):16618-25. doi: 10.1021/ja509018g. Epub 2014 Nov 12.


Illuminating microbial dark matter in meromictic Sakinaw Lake.

Gies EA, Konwar KM, Beatty JT, Hallam SJ.

Appl Environ Microbiol. 2014 Nov;80(21):6807-18. doi: 10.1128/AEM.01774-14. Epub 2014 Aug 29.


Gene co-expression network analysis in Rhodobacter capsulatus and application to comparative expression analysis of Rhodobacter sphaeroides.

Peña-Castillo L, Mercer RG, Gurinovich A, Callister SJ, Wright AT, Westbye AB, Beatty JT, Lang AS.

BMC Genomics. 2014 Aug 28;15:730. doi: 10.1186/1471-2164-15-730.


Reengineering the optical absorption cross-section of photosynthetic reaction centers.

Dutta PK, Lin S, Loskutov A, Levenberg S, Jun D, Saer R, Beatty JT, Liu Y, Yan H, Woodbury NW.

J Am Chem Soc. 2014 Mar 26;136(12):4599-604. doi: 10.1021/ja411843k. Epub 2014 Mar 13.


Draft Genome Sequences of Six Rhodobacter capsulatus Strains, YW1, YW2, B6, Y262, R121, and DE442.

Ding H, Moksa MM, Hirst M, Beatty JT.

Genome Announc. 2014 Feb 13;2(1). pii: e00050-14. doi: 10.1128/genomeA.00050-14.


Apo-bacteriophytochromes modulate bacterial photosynthesis in response to low light.

Fixen KR, Baker AW, Stojkovic EA, Beatty JT, Harwood CS.

Proc Natl Acad Sci U S A. 2014 Jan 14;111(2):E237-44. doi: 10.1073/pnas.1322410111. Epub 2013 Dec 30.


Structural and kinetic properties of Rhodobacter sphaeroides photosynthetic reaction centers containing exclusively Zn-coordinated bacteriochlorophyll as bacteriochlorin cofactors.

Saer RG, Pan J, Hardjasa A, Lin S, Rosell F, Mauk AG, Woodbury NW, Murphy ME, Beatty JT.

Biochim Biophys Acta. 2014 Mar;1837(3):366-74. doi: 10.1016/j.bbabio.2013.11.015. Epub 2013 Dec 5.


Phosphate concentration and the putative sensor kinase protein CckA modulate cell lysis and release of the Rhodobacter capsulatus gene transfer agent.

Westbye AB, Leung MM, Florizone SM, Taylor TA, Johnson JA, Fogg PC, Beatty JT.

J Bacteriol. 2013 Nov;195(22):5025-40. doi: 10.1128/JB.00669-13. Epub 2013 Aug 30.


Use of new strains of Rhodobacter sphaeroides and a modified simple culture medium to increase yield and facilitate purification of the reaction centre.

Jun D, Saer RG, Madden JD, Beatty JT.

Photosynth Res. 2014 May;120(1-2):197-205. doi: 10.1007/s11120-013-9866-6. Epub 2013 Jun 14.


The protein environment of the bacteriopheophytin anion modulates charge separation and charge recombination in bacterial reaction centers.

Pan J, Saer RG, Lin S, Guo Z, Beatty JT, Woodbury NW.

J Phys Chem B. 2013 Jun 20;117(24):7179-89. doi: 10.1021/jp400132k. Epub 2013 Jun 10.


Nano-mechanical mapping of the interactions between surface-bound RC-LH1-PufX core complexes and cytochrome c 2 attached to an AFM probe.

Vasilev C, Brindley AA, Olsen JD, Saer RG, Beatty JT, Hunter CN.

Photosynth Res. 2014 May;120(1-2):169-80. doi: 10.1007/s11120-013-9812-7. Epub 2013 Mar 29.


Role of Rhodobacter sphaeroides photosynthetic reaction center residue M214 in the composition, absorbance properties, and conformations of H(A) and B(A) cofactors.

Saer RG, Hardjasa A, Rosell FI, Mauk AG, Murphy ME, Beatty JT.

Biochemistry. 2013 Apr 2;52(13):2206-17. doi: 10.1021/bi400207m. Epub 2013 Mar 25.


Quorum-sensing regulation of a capsular polysaccharide receptor for the Rhodobacter capsulatus gene transfer agent (RcGTA).

Brimacombe CA, Stevens A, Jun D, Mercer R, Lang AS, Beatty JT.

Mol Microbiol. 2013 Feb;87(4):802-17. doi: 10.1111/mmi.12132. Epub 2013 Jan 11.


Transcriptional regulation of the Rhodobacter capsulatus response regulator CtrA.

Leung MM, Brimacombe CA, Beatty JT.

Microbiology. 2013 Jan;159(Pt 1):96-106. doi: 10.1099/mic.0.062349-0. Epub 2012 Nov 15.


One for all or all for one: heterogeneous expression and host cell lysis are key to gene transfer agent activity in Rhodobacter capsulatus.

Fogg PC, Westbye AB, Beatty JT.

PLoS One. 2012;7(8):e43772. doi: 10.1371/journal.pone.0043772. Epub 2012 Aug 20.


Gene transfer agents: phage-like elements of genetic exchange.

Lang AS, Zhaxybayeva O, Beatty JT.

Nat Rev Microbiol. 2012 Jun 11;10(7):472-82. doi: 10.1038/nrmicro2802. Review.


Gain and loss of phototrophic genes revealed by comparison of two Citromicrobium bacterial genomes.

Zheng Q, Zhang R, Fogg PC, Beatty JT, Wang Y, Jiao N.

PLoS One. 2012;7(4):e35790. doi: 10.1371/journal.pone.0035790. Epub 2012 Apr 27.


Regulatory systems controlling motility and gene transfer agent production and release in Rhodobacter capsulatus.

Mercer RG, Quinlan M, Rose AR, Noll S, Beatty JT, Lang AS.

FEMS Microbiol Lett. 2012 Jun;331(1):53-62. doi: 10.1111/j.1574-6968.2012.02553.x. Epub 2012 Apr 24.


Electron transfer in Rhodobacter sphaeroides reaction centers containing Zn-bacteriochlorophylls: a hole-burning study.

Neupane B, Jaschke P, Saer R, Beatty JT, Reppert M, Jankowiak R.

J Phys Chem B. 2012 Mar 15;116(10):3457-66. doi: 10.1021/jp300304r. Epub 2012 Feb 29.


The GtaR protein negatively regulates transcription of the gtaRI operon and modulates gene transfer agent (RcGTA) expression in Rhodobacter capsulatus.

Leung MM, Brimacombe CA, Spiegelman GB, Beatty JT.

Mol Microbiol. 2012 Feb;83(4):759-74. doi: 10.1111/j.1365-2958.2011.07963.x. Epub 2012 Jan 11.


Characterization of a newly discovered Mu-like bacteriophage, RcapMu, in Rhodobacter capsulatus strain SB1003.

Fogg PC, Hynes AP, Digby E, Lang AS, Beatty JT.

Virology. 2011 Dec 20;421(2):211-21. doi: 10.1016/j.virol.2011.09.028. Epub 2011 Oct 22.


Simultaneous observation of peptide backbone lipid solvation and α-helical structure by deep-UV resonance Raman spectroscopy.

Halsey CM, Xiong J, Oshokoya OO, Johnson JA, Shinde S, Beatty JT, Ghirlanda G, JiJi RD, Cooley JW.

Chembiochem. 2011 Sep 19;12(14):2125-8. doi: 10.1002/cbic.201100433. Epub 2011 Jul 27. No abstract available.


Modification of the genome of Rhodobacter sphaeroides and construction of synthetic operons.

Jaschke PR, Saer RG, Noll S, Beatty JT.

Methods Enzymol. 2011;497:519-38. doi: 10.1016/B978-0-12-385075-1.00023-8.


Coordinated, long-range, solid substrate movement of the purple photosynthetic bacterium Rhodobacter capsulatus.

Shelswell KJ, Beatty JT.

PLoS One. 2011 May 4;6(5):e19646. doi: 10.1371/journal.pone.0019646.


A BchD (magnesium chelatase) mutant of rhodobacter sphaeroides synthesizes zinc bacteriochlorophyll through novel zinc-containing intermediates.

Jaschke PR, Hardjasa A, Digby EL, Hunter CN, Beatty JT.

J Biol Chem. 2011 Jun 10;286(23):20313-22. doi: 10.1074/jbc.M110.212605. Epub 2011 Apr 18.


The gene transfer agent of Rhodobacter capsulatus.

Leung MM, Florizone SM, Taylor TA, Lang AS, Beatty JT.

Adv Exp Med Biol. 2010;675:253-64. doi: 10.1007/978-1-4419-1528-3_14. Review.


Bacteriophytochrome-dependent regulation of light-harvesting complexes in Rhodopseudomonas palustris anaerobic cultures.

Li M, Noll S, Beatty JT.

Curr Microbiol. 2010 Nov;61(5):429-34. doi: 10.1007/s00284-010-9634-1. Epub 2010 Apr 6.


Loss of the response regulator CtrA causes pleiotropic effects on gene expression but does not affect growth phase regulation in Rhodobacter capsulatus.

Mercer RG, Callister SJ, Lipton MS, Pasa-Tolic L, Strnad H, Paces V, Beatty JT, Lang AS.

J Bacteriol. 2010 Jun;192(11):2701-10. doi: 10.1128/JB.00160-10. Epub 2010 Apr 2.

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