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Items: 48


The Campylobacter jejuni helical to coccoid transition involves changes to peptidoglycan and the ability to elicit an immune response.

Frirdich E, Biboy J, Pryjma M, Lee J, Huynh S, Parker CT, Girardin SE, Vollmer W, Gaynor EC.

Mol Microbiol. 2019 Jul;112(1):280-301. doi: 10.1111/mmi.14269. Epub 2019 May 20.


Investigating the Campylobacter jejuni Transcriptional Response to Host Intestinal Extracts Reveals the Involvement of a Widely Conserved Iron Uptake System.

Liu MM, Boinett CJ, Chan ACK, Parkhill J, Murphy MEP, Gaynor EC.

MBio. 2018 Aug 7;9(4). pii: e01347-18. doi: 10.1128/mBio.01347-18.


The Helical Shape of Campylobacter jejuni Promotes In Vivo Pathogenesis by Aiding Transit through Intestinal Mucus and Colonization of Crypts.

Stahl M, Frirdich E, Vermeulen J, Badayeva Y, Li X, Vallance BA, Gaynor EC.

Infect Immun. 2016 Nov 18;84(12):3399-3407. Print 2016 Dec.


Accumulation of Peptidoglycan O-Acetylation Leads to Altered Cell Wall Biochemistry and Negatively Impacts Pathogenesis Factors of Campylobacter jejuni.

Ha R, Frirdich E, Sychantha D, Biboy J, Taveirne ME, Johnson JG, DiRita VJ, Vollmer W, Clarke AJ, Gaynor EC.

J Biol Chem. 2016 Oct 21;291(43):22686-22702. Epub 2016 Jul 29.


A Bacterial Cell Shape-Determining Inhibitor.

Liu Y, Frirdich E, Taylor JA, Chan AC, Blair KM, Vermeulen J, Ha R, Murphy ME, Salama NR, Gaynor EC, Tanner ME.

ACS Chem Biol. 2016 Apr 15;11(4):981-91. doi: 10.1021/acschembio.5b01039. Epub 2016 Jan 15.


High-Frequency Variation of Purine Biosynthesis Genes Is a Mechanism of Success in Campylobacter jejuni.

Cameron A, Huynh S, Scott NE, Frirdich E, Apel D, Foster LJ, Parker CT, Gaynor EC.

MBio. 2015 Sep 29;6(5):e00612-15. doi: 10.1128/mBio.00612-15.


The Campylobacter jejuni CprRS two-component regulatory system regulates aspects of the cell envelope.

Svensson SL, Huynh S, Parker CT, Gaynor EC.

Mol Microbiol. 2015 Apr;96(1):189-209. doi: 10.1111/mmi.12927. Epub 2015 Feb 18. Erratum in: Mol Microbiol. 2015 Dec;98(5):993. Hyunh, Steven [Corrected to Huynh, Steven].


Helical shape of Helicobacter pylori requires an atypical glutamine as a zinc ligand in the carboxypeptidase Csd4.

Chan AC, Blair KM, Liu Y, Frirdich E, Gaynor EC, Tanner ME, Salama NR, Murphy ME.

J Biol Chem. 2015 Feb 6;290(6):3622-38. doi: 10.1074/jbc.M114.624734. Epub 2014 Dec 12.


Flagella-mediated adhesion and extracellular DNA release contribute to biofilm formation and stress tolerance of Campylobacter jejuni.

Svensson SL, Pryjma M, Gaynor EC.

PLoS One. 2014 Aug 28;9(8):e106063. doi: 10.1371/journal.pone.0106063. eCollection 2014.


A novel mouse model of Campylobacter jejuni gastroenteritis reveals key pro-inflammatory and tissue protective roles for Toll-like receptor signaling during infection.

Stahl M, Ries J, Vermeulen J, Yang H, Sham HP, Crowley SM, Badayeva Y, Turvey SE, Gaynor EC, Li X, Vallance BA.

PLoS Pathog. 2014 Jul 17;10(7):e1004264. doi: 10.1371/journal.ppat.1004264. eCollection 2014 Jul.


Hygromycin B and apramycin antibiotic resistance cassettes for use in Campylobacter jejuni.

Cameron A, Gaynor EC.

PLoS One. 2014 Apr 21;9(4):e95084. doi: 10.1371/journal.pone.0095084. eCollection 2014.


Peptidoglycan LD-carboxypeptidase Pgp2 influences Campylobacter jejuni helical cell shape and pathogenic properties and provides the substrate for the DL-carboxypeptidase Pgp1.

Frirdich E, Vermeulen J, Biboy J, Soares F, Taveirne ME, Johnson JG, DiRita VJ, Girardin SE, Vollmer W, Gaynor EC.

J Biol Chem. 2014 Mar 21;289(12):8007-18. doi: 10.1074/jbc.M113.491829. Epub 2014 Jan 6.


Peptidoglycan hydrolases, bacterial shape, and pathogenesis.

Frirdich E, Gaynor EC.

Curr Opin Microbiol. 2013 Dec;16(6):767-78. doi: 10.1016/j.mib.2013.09.005. Epub 2013 Oct 10. Review.


Hyperosmotic stress response of Campylobacter jejuni.

Cameron A, Frirdich E, Huynh S, Parker CT, Gaynor EC.

J Bacteriol. 2012 Nov;194(22):6116-30. doi: 10.1128/JB.01409-12. Epub 2012 Sep 7.


The 30th anniversary of Campylobacter, Helicobacter, and Related Organisms workshops-what have we learned in three decades?

Gaynor EC, Szymanski CM.

Front Cell Infect Microbiol. 2012 Feb 27;2:20. doi: 10.3389/fcimb.2012.00020. eCollection 2012. Review.


FdhTU-modulated formate dehydrogenase expression and electron donor availability enhance recovery of Campylobacter jejuni following host cell infection.

Pryjma M, Apel D, Huynh S, Parker CT, Gaynor EC.

J Bacteriol. 2012 Aug;194(15):3803-13. doi: 10.1128/JB.06665-11. Epub 2012 May 25.


How a sugary bug gets through the day: recent developments in understanding fundamental processes impacting Campylobacter jejuni pathogenesis.

Szymanski CM, Gaynor EC.

Gut Microbes. 2012 Mar-Apr;3(2):135-44. doi: 10.4161/gmic.19488. Epub 2012 Mar 1. Review.


Peptidoglycan-modifying enzyme Pgp1 is required for helical cell shape and pathogenicity traits in Campylobacter jejuni.

Frirdich E, Biboy J, Adams C, Lee J, Ellermeier J, Gielda LD, Dirita VJ, Girardin SE, Vollmer W, Gaynor EC.

PLoS Pathog. 2012;8(3):e1002602. doi: 10.1371/journal.ppat.1002602. Epub 2012 Mar 22. Erratum in: PLoS Pathog. 2012 Oct;8(10). doi: 10.1371/annotation/aac1c73d-b014-4cee-8dbc-eb8472de211d.


Characterization of Campylobacter jejuni RacRS reveals roles in the heat shock response, motility, and maintenance of cell length homogeneity.

Apel D, Ellermeier J, Pryjma M, Dirita VJ, Gaynor EC.

J Bacteriol. 2012 May;194(9):2342-54. doi: 10.1128/JB.06041-11. Epub 2012 Feb 17.


Antibacterial activity, inflammatory response, coagulation and cytotoxicity effects of silver nanoparticles.

Martínez-Gutierrez F, Thi EP, Silverman JM, de Oliveira CC, Svensson SL, Vanden Hoek A, Sánchez EM, Reiner NE, Gaynor EC, Pryzdial EL, Conway EM, Orrantia E, Ruiz F, Av-Gay Y, Bach H.

Nanomedicine. 2012 Apr;8(3):328-36. doi: 10.1016/j.nano.2011.06.014. Epub 2011 Jun 28.


5'-methylthioadenosine nucleosidase is implicated in playing a key role in a modified futalosine pathway for menaquinone biosynthesis in Campylobacter jejuni.

Li X, Apel D, Gaynor EC, Tanner ME.

J Biol Chem. 2011 Jun 3;286(22):19392-8. doi: 10.1074/jbc.M111.229781. Epub 2011 Apr 13.


Structure and function of P19, a high-affinity iron transporter of the human pathogen Campylobacter jejuni.

Chan AC, Doukov TI, Scofield M, Tom-Yew SA, Ramin AB, Mackichan JK, Gaynor EC, Murphy ME.

J Mol Biol. 2010 Aug 27;401(4):590-604. doi: 10.1016/j.jmb.2010.06.038. Epub 2010 Jun 30.


ppGpp conjures bacterial virulence.

Dalebroux ZD, Svensson SL, Gaynor EC, Swanson MS.

Microbiol Mol Biol Rev. 2010 Jun;74(2):171-99. doi: 10.1128/MMBR.00046-09. Review.


Effects of sequential Campylobacter jejuni 81-176 lipooligosaccharide core truncations on biofilm formation, stress survival, and pathogenesis.

Naito M, Frirdich E, Fields JA, Pryjma M, Li J, Cameron A, Gilbert M, Thompson SA, Gaynor EC.

J Bacteriol. 2010 Apr;192(8):2182-92. doi: 10.1128/JB.01222-09. Epub 2010 Feb 5.


Atypical roles for Campylobacter jejuni amino acid ATP binding cassette transporter components PaqP and PaqQ in bacterial stress tolerance and pathogen-host cell dynamics.

Lin AE, Krastel K, Hobb RI, Thompson SA, Cvitkovitch DG, Gaynor EC.

Infect Immun. 2009 Nov;77(11):4912-24. doi: 10.1128/IAI.00571-08. Epub 2009 Aug 24.


The CprS sensor kinase of the zoonotic pathogen Campylobacter jejuni influences biofilm formation and is required for optimal chick colonization.

Svensson SL, Davis LM, MacKichan JK, Allan BJ, Pajaniappan M, Thompson SA, Gaynor EC.

Mol Microbiol. 2009 Jan;71(1):253-72. doi: 10.1111/j.1365-2958.2008.06534.x. Epub 2008 Nov 10.


Campylobacter jejuni host tissue tropism: a consequence of its low-carb lifestyle?

Thompson SA, Gaynor EC.

Cell Host Microbe. 2008 Nov 13;4(5):409-10. doi: 10.1016/j.chom.2008.10.010.


A murine intraperitoneal infection model reveals that host resistance to Campylobacter jejuni is Nramp1 dependent.

Champion OL, Valdez Y, Thorson L, Guttman JA, Menendez A, Gaynor EC, Finlay BB.

Microbes Infect. 2008 Jul;10(8):922-7. doi: 10.1016/j.micinf.2008.05.001. Epub 2008 May 14.


A temperature-regulated Campylobacter jejuni gluconate dehydrogenase is involved in respiration-dependent energy conservation and chicken colonization.

Pajaniappan M, Hall JE, Cawthraw SA, Newell DG, Gaynor EC, Fields JA, Rathbun KM, Agee WA, Burns CM, Hall SJ, Kelly DJ, Thompson SA.

Mol Microbiol. 2008 Apr;68(2):474-91. doi: 10.1111/j.1365-2958.2008.06161.x. Epub 2008 Feb 19.


Host-mediated inflammation disrupts the intestinal microbiota and promotes the overgrowth of Enterobacteriaceae.

Lupp C, Robertson ML, Wickham ME, Sekirov I, Champion OL, Gaynor EC, Finlay BB.

Cell Host Microbe. 2007 Sep 13;2(3):204.


Host-mediated inflammation disrupts the intestinal microbiota and promotes the overgrowth of Enterobacteriaceae.

Lupp C, Robertson ML, Wickham ME, Sekirov I, Champion OL, Gaynor EC, Finlay BB.

Cell Host Microbe. 2007 Aug 16;2(2):119-29.


Campylobacter jejuni biofilms up-regulated in the absence of the stringent response utilize a calcofluor white-reactive polysaccharide.

McLennan MK, Ringoir DD, Frirdich E, Svensson SL, Wells DH, Jarrell H, Szymanski CM, Gaynor EC.

J Bacteriol. 2008 Feb;190(3):1097-107. Epub 2007 Nov 9.


Polyphosphate kinase 1 is a pathogenesis determinant in Campylobacter jejuni.

Candon HL, Allan BJ, Fraley CD, Gaynor EC.

J Bacteriol. 2007 Nov;189(22):8099-108. Epub 2007 Sep 7.


The Campylobacter jejuni stringent response controls specific stress survival and virulence-associated phenotypes.

Gaynor EC, Wells DH, MacKichan JK, Falkow S.

Mol Microbiol. 2005 Apr;56(1):8-27.


The Campylobacter jejuni dccRS two-component system is required for optimal in vivo colonization but is dispensable for in vitro growth.

MacKichan JK, Gaynor EC, Chang C, Cawthraw S, Newell DG, Miller JF, Falkow S.

Mol Microbiol. 2004 Dec;54(5):1269-86.


The genome-sequenced variant of Campylobacter jejuni NCTC 11168 and the original clonal clinical isolate differ markedly in colonization, gene expression, and virulence-associated phenotypes.

Gaynor EC, Cawthraw S, Manning G, MacKichan JK, Falkow S, Newell DG.

J Bacteriol. 2004 Jan;186(2):503-17. Erratum in: J Bacteriol. 2004 Dec;186(23):8159.


Use of an open-reading frame-specific Campylobacter jejuni DNA microarray as a new genotyping tool for studying epidemiologically related isolates.

Leonard EE 2nd, Takata T, Blaser MJ, Falkow S, Tompkins LS, Gaynor EC.

J Infect Dis. 2003 Feb 15;187(4):691-4. Epub 2003 Jan 29.


MCD4 encodes a conserved endoplasmic reticulum membrane protein essential for glycosylphosphatidylinositol anchor synthesis in yeast.

Gaynor EC, Mondésert G, Grimme SJ, Reed SI, Orlean P, Emr SD.

Mol Biol Cell. 1999 Mar;10(3):627-48.


COPI in ER/Golgi and intra-Golgi transport: do yeast COPI mutants point the way?

Gaynor EC, Graham TR, Emr SD.

Biochim Biophys Acta. 1998 Aug 14;1404(1-2):33-51. Review.


ARF is required for maintenance of yeast Golgi and endosome structure and function.

Gaynor EC, Chen CY, Emr SD, Graham TR.

Mol Biol Cell. 1998 Mar;9(3):653-70.


Coatomer is essential for retrieval of dilysine-tagged proteins to the endoplasmic reticulum.

Letourneur F, Gaynor EC, Hennecke S, Démollière C, Duden R, Emr SD, Riezman H, Cosson P.

Cell. 1994 Dec 30;79(7):1199-207.


Signal-mediated retrieval of a membrane protein from the Golgi to the ER in yeast.

Gaynor EC, te Heesen S, Graham TR, Aebi M, Emr SD.

J Cell Biol. 1994 Nov;127(3):653-65.

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