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Elizabeth A Karr

TitleAssociate Professor
InstitutionUniversity of Oklahoma, Norman
DepartmentMicrobiology and Plant Biology
Address770 Van Vleet Oval
Norman OK
Phone405/325-5133
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    Collapse Bibliographic 
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Isom CE, Menon SK, Thomas LM, West AH, Richter-Addo GB, Karr EA. Crystal structure and DNA binding activity of a PadR family transcription regulator from hypervirulent Clostridium difficile R20291. BMC Microbiol. 2016 Oct 04; 16(1):231. PMID: 27716049.
      View in: PubMed
    2. Wang B, Powell SM, Hessami N, Najar FZ, Thomas LM, Karr EA, West AH, Richter-Addo GB. Crystal structures of two nitroreductases from hypervirulent Clostridium difficile and functionally related interactions with the antibiotic metronidazole. Nitric Oxide. 2016 Nov 30; 60:32-39. PMID: 27623089.
      View in: PubMed
    3. Jennings ME, Lessner FH, Karr EA, Lessner DJ. The [4Fe-4S] clusters of Rpo3 are key determinants in the post Rpo3/Rpo11 heterodimer formation of RNA polymerase in Methanosarcina acetivorans. Microbiologyopen. 2017 Feb; 6(1). PMID: 27557794.
      View in: PubMed
    4. James KL, Ríos-Hernández LA, Wofford NQ, Mouttaki H, Sieber JR, Sheik CS, Nguyen HH, Yang Y, Xie Y, Erde J, Rohlin L, Karr EA, Loo JA, Ogorzalek Loo RR, Hurst GB, Gunsalus RP, Szweda LI, McInerney MJ. Pyrophosphate-Dependent ATP Formation from Acetyl Coenzyme A in Syntrophus aciditrophicus, a New Twist on ATP Formation. MBio. 2016 Aug 16; 7(4). PMID: 27531911; PMCID: PMC4992975.
    5. Sheehan R, McCarver AC, Isom CE, Karr EA, Lessner DJ. The Methanosarcina acetivorans thioredoxin system activates DNA binding of the redox-sensitive transcriptional regulator MsvR. J Ind Microbiol Biotechnol. 2015 Jun; 42(6):965-9. PMID: 25791378; PMCID: PMC4431921.
    6. Karr EA. Transcription regulation in the third domain. Adv Appl Microbiol. 2014; 89:101-33. PMID: 25131401.
      View in: PubMed
    7. Isom CE, Turner JL, Lessner DJ, Karr EA. Redox-sensitive DNA binding by homodimeric Methanosarcina acetivorans MsvR is modulated by cysteine residues. BMC Microbiol. 2013 Jul 16; 13:163. PMID: 23865844; PMCID: PMC3729527.
    8. Cafasso J, Manjasetty BA, Karr EA, Sandman K, Chance MR, Reeve JN. Preliminary crystallography confirms that the archaeal DNA-binding and tryptophan-sensing regulator TrpY is a dimer. Acta Crystallogr Sect F Struct Biol Cryst Commun. 2010 Nov 01; 66(Pt 11):1493-5. PMID: 21045304; PMCID: PMC3001657.
    9. Karr EA. The methanogen-specific transcription factor MsvR regulates the fpaA-rlp-rub oxidative stress operon adjacent to msvR in Methanothermobacter thermautotrophicus. J Bacteriol. 2010 Nov; 192(22):5914-22. PMID: 20851905; PMCID: PMC2976444.
    10. Dunn AK, Karr EA, Wang Y, Batton AR, Ruby EG, Stabb EV. The alternative oxidase (AOX) gene in Vibrio fischeri is controlled by NsrR and upregulated in response to nitric oxide. Mol Microbiol. 2010 Jul 01; 77(1):44-55. PMID: 20487270; PMCID: PMC3682826.
    11. Karr EA, Sandman K, Lurz R, Reeve JN. TrpY regulation of trpB2 transcription in Methanothermobacter thermautotrophicus. J Bacteriol. 2008 Apr; 190(7):2637-41. PMID: 18263726; PMCID: PMC2293193.
    12. Cubonová L, Sandman K, Karr EA, Cochran AJ, Reeve JN. Spontaneous trpY mutants and mutational analysis of the TrpY archaeal transcription regulator. J Bacteriol. 2007 Jun; 189(11):4338-42. PMID: 17400746; PMCID: PMC1913389.
    13. Karr EA, Ng JM, Belchik SM, Sattley WM, Madigan MT, Achenbach LA. Biodiversity of methanogenic and other archaea in the permanently frozen Lake Fryxell, Antarctica. Appl Environ Microbiol. 2006 Feb; 72(2):1663-6. PMID: 16461723; PMCID: PMC1392947.
    14. Karr EA, Sattley WM, Rice MR, Jung DO, Madigan MT, Achenbach LA. Diversity and distribution of sulfate-reducing bacteria in permanently frozen Lake Fryxell, McMurdo Dry Valleys, Antarctica. Appl Environ Microbiol. 2005 Oct; 71(10):6353-9. PMID: 16204557; PMCID: PMC1265979.
    15. Jung DO, Achenbach LA, Karr EA, Takaichi S, Madigan MT. A gas vesiculate planktonic strain of the purple non-sulfur bacterium Rhodoferax antarcticus isolated from Lake Fryxell, Dry Valleys, Antarctica. Arch Microbiol. 2004 Oct; 182(2-3):236-43. PMID: 15340780.
      View in: PubMed
    16. Karr EA, Sattley WM, Jung DO, Madigan MT, Achenbach LA. Remarkable diversity of phototrophic purple bacteria in a permanently frozen Antarctic lake. Appl Environ Microbiol. 2003 Aug; 69(8):4910-4. PMID: 12902286; PMCID: PMC169089.
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