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Nutrient depletion may trigger the Yersinia pestis OmpR-EnvZ regulatory system to promote flea-borne plague transmission.

Bontemps-Gallo S, Fernandez M, Dewitte A, Raphaƫl E, Gherardini FC, Elizabeth P, Koch L, Biot F, Reboul A, Sebbane F.

Mol Microbiol. 2019 Nov;112(5):1471-1482. doi: 10.1111/mmi.14372. Epub 2019 Sep 13.


DksA Controls the Response of the Lyme Disease Spirochete Borrelia burgdorferi to Starvation.

Boyle WK, Groshong AM, Drecktrah D, Boylan JA, Gherardini FC, Blevins JS, Samuels DS, Bourret TJ.

J Bacteriol. 2019 Jan 28;201(4). pii: e00582-18. doi: 10.1128/JB.00582-18. Print 2019 Feb 15.


Global Profiling of Lysine Acetylation in Borrelia burgdorferi B31 Reveals Its Role in Central Metabolism.

Bontemps-Gallo S, Gaviard C, Richards CL, Kentache T, Raffel SJ, Lawrence KA, Schindler JC, Lovelace J, Dulebohn DP, Cluss RG, Hardouin J, Gherardini FC.

Front Microbiol. 2018 Aug 31;9:2036. doi: 10.3389/fmicb.2018.02036. eCollection 2018.


Genomic and phenotypic characterization of Borrelia afzelii BO23 and Borrelia garinii CIP 103362.

Bontemps-Gallo S, Lawrence KA, Richards CL, Gherardini FC.

PLoS One. 2018 Jun 26;13(6):e0199641. doi: 10.1371/journal.pone.0199641. eCollection 2018.


Borrelia burgdorferi genes, bb0639-0642, encode a putative putrescine/spermidine transport system, PotABCD, that is spermidine specific and essential for cell survival.

Bontemps-Gallo S, Lawrence KA, Richards CL, Gherardini FC.

Mol Microbiol. 2018 May;108(4):350-360. doi: 10.1111/mmi.13940. Epub 2018 Mar 11.


Colony formation in solid medium by the relapsing fever spirochetes Borrelia hermsii and Borrelia turicatae.

Raffel SJ, Williamson BN, Schwan TG, Gherardini FC.

Ticks Tick Borne Dis. 2018 Feb;9(2):281-287. doi: 10.1016/j.ttbdis.2017.11.001. Epub 2017 Nov 12.


Weak Organic Acids Decrease Borrelia burgdorferi Cytoplasmic pH, Eliciting an Acid Stress Response and Impacting RpoN- and RpoS-Dependent Gene Expression.

Dulebohn DP, Richards CL, Su H, Lawrence KA, Gherardini FC.

Front Microbiol. 2017 Sep 29;8:1734. doi: 10.3389/fmicb.2017.01734. eCollection 2017.


The Nucleotide Excision Repair Pathway Protects Borrelia burgdorferi from Nitrosative Stress in Ixodes scapularis Ticks.

Bourret TJ, Lawrence KA, Shaw JA, Lin T, Norris SJ, Gherardini FC.

Front Microbiol. 2016 Sep 7;7:1397. doi: 10.3389/fmicb.2016.01397. eCollection 2016.


Two Different Virulence-Related Regulatory Pathways in Borrelia burgdorferi Are Directly Affected by Osmotic Fluxes in the Blood Meal of Feeding Ixodes Ticks.

Bontemps-Gallo S, Lawrence K, Gherardini FC.

PLoS Pathog. 2016 Aug 15;12(8):e1005791. doi: 10.1371/journal.ppat.1005791. eCollection 2016 Aug.


Acetyl-Phosphate Is Not a Global Regulatory Bridge between Virulence and Central Metabolism in Borrelia burgdorferi.

Richards CL, Lawrence KA, Su H, Yang Y, Yang XF, Dulebohn DP, Gherardini FC.

PLoS One. 2015 Dec 17;10(12):e0144472. doi: 10.1371/journal.pone.0144472. eCollection 2015.


Borrelia burgdorferi HtrA may promote dissemination and irritation.

Gherardini FC.

Mol Microbiol. 2013 Oct;90(2):209-13. doi: 10.1111/mmi.12390. Epub 2013 Sep 16. No abstract available.


A non-invasive intratracheal inoculation method for the study of pulmonary melioidosis.

Revelli DA, Boylan JA, Gherardini FC.

Front Cell Infect Microbiol. 2012 Dec 20;2:164. doi: 10.3389/fcimb.2012.00164. eCollection 2012.


Bioluminescent diagnostic imaging to characterize altered respiratory tract colonization by the burkholderia pseudomallei capsule mutant.

Warawa JM, Long D, Rosenke R, Gardner D, Gherardini FC.

Front Microbiol. 2011 Jun 16;2:133. doi: 10.3389/fmicb.2011.00133. eCollection 2011.


Nitrosative damage to free and zinc-bound cysteine thiols underlies nitric oxide toxicity in wild-type Borrelia burgdorferi.

Bourret TJ, Boylan JA, Lawrence KA, Gherardini FC.

Mol Microbiol. 2011 Jul;81(1):259-73. doi: 10.1111/j.1365-2958.2011.07691.x. Epub 2011 May 19.


Differential control of Yersinia pestis biofilm formation in vitro and in the flea vector by two c-di-GMP diguanylate cyclases.

Sun YC, Koumoutsi A, Jarrett C, Lawrence K, Gherardini FC, Darby C, Hinnebusch BJ.

PLoS One. 2011 Apr 29;6(4):e19267. doi: 10.1371/journal.pone.0019267.


Burkholderia thailandensis oacA mutants facilitate the expression of Burkholderia mallei-like O polysaccharides.

Brett PJ, Burtnick MN, Heiss C, Azadi P, DeShazer D, Woods DE, Gherardini FC.

Infect Immun. 2011 Feb;79(2):961-9. doi: 10.1128/IAI.01023-10. Epub 2010 Nov 29.


Effective, broad spectrum control of virulent bacterial infections using cationic DNA liposome complexes combined with bacterial antigens.

Ireland R, Olivares-Zavaleta N, Warawa JM, Gherardini FC, Jarrett C, Hinnebusch BJ, Belisle JT, Fairman J, Bosio CM.

PLoS Pathog. 2010 May 27;6(5):e1000921. doi: 10.1371/journal.ppat.1000921.


Burkholderia mallei cluster 1 type VI secretion mutants exhibit growth and actin polymerization defects in RAW 264.7 murine macrophages.

Burtnick MN, DeShazer D, Nair V, Gherardini FC, Brett PJ.

Infect Immun. 2010 Jan;78(1):88-99. doi: 10.1128/IAI.00985-09. Epub 2009 Nov 2.


Role for the Burkholderia pseudomallei capsular polysaccharide encoded by the wcb operon in acute disseminated melioidosis.

Warawa JM, Long D, Rosenke R, Gardner D, Gherardini FC.

Infect Immun. 2009 Dec;77(12):5252-61. doi: 10.1128/IAI.00824-09. Epub 2009 Sep 14.


Borrelia burgdorferi bb0426 encodes a 2'-deoxyribosyltransferase that plays a central role in purine salvage.

Lawrence KA, Jewett MW, Rosa PA, Gherardini FC.

Mol Microbiol. 2009 Jun;72(6):1517-29. doi: 10.1111/j.1365-2958.2009.06740.x. Epub 2009 May 15.


Burkholderia mallei tssM encodes a putative deubiquitinase that is secreted and expressed inside infected RAW 264.7 murine macrophages.

Shanks J, Burtnick MN, Brett PJ, Waag DM, Spurgers KB, Ribot WJ, Schell MA, Panchal RG, Gherardini FC, Wilkinson KD, Deshazer D.

Infect Immun. 2009 Apr;77(4):1636-48. doi: 10.1128/IAI.01339-08. Epub 2009 Jan 21.


Treponema denticola TroR is a manganese- and iron-dependent transcriptional repressor.

Brett PJ, Burtnick MN, Fenno JC, Gherardini FC.

Mol Microbiol. 2008 Oct;70(2):396-409. doi: 10.1111/j.1365-2958.2008.06418.x. Epub 2008 Aug 27.


Burkholderia pseudomallei type III secretion system mutants exhibit delayed vacuolar escape phenotypes in RAW 264.7 murine macrophages.

Burtnick MN, Brett PJ, Nair V, Warawa JM, Woods DE, Gherardini FC.

Infect Immun. 2008 Jul;76(7):2991-3000. doi: 10.1128/IAI.00263-08. Epub 2008 Apr 28.


Borrelia burgdorferi membranes are the primary targets of reactive oxygen species.

Boylan JA, Lawrence KA, Downey JS, Gherardini FC.

Mol Microbiol. 2008 May;68(3):786-99. doi: 10.1111/j.1365-2958.2008.06204.x. Epub 2008 Mar 25.


Determining the cellular targets of reactive oxygen species in Borrelia burgdorferi.

Boylan JA, Gherardini FC.

Methods Mol Biol. 2008;431:213-21.


Zinc is the metal cofactor of Borrelia burgdorferi peptide deformylase.

Nguyen KT, Wu JC, Boylan JA, Gherardini FC, Pei D.

Arch Biochem Biophys. 2007 Dec 15;468(2):217-25. Epub 2007 Oct 5.


iNOS activity is critical for the clearance of Burkholderia mallei from infected RAW 264.7 murine macrophages.

Brett PJ, Burtnick MN, Su H, Nair V, Gherardini FC.

Cell Microbiol. 2008 Feb;10(2):487-98. Epub 2007 Oct 28.


Evidence of a conjugal erythromycin resistance element in the Lyme disease spirochete Borrelia burgdorferi.

Jackson CR, Boylan JA, Frye JG, Gherardini FC.

Int J Antimicrob Agents. 2007 Dec;30(6):496-504. Epub 2007 Oct 1.


Insights into the complex regulation of rpoS in Borrelia burgdorferi.

Burtnick MN, Downey JS, Brett PJ, Boylan JA, Frye JG, Hoover TR, Gherardini FC.

Mol Microbiol. 2007 Jul;65(2):277-93. Epub 2007 Jun 21.


Purine salvage pathways among Borrelia species.

Pettersson J, Schrumpf ME, Raffel SJ, Porcella SF, Guyard C, Lawrence K, Gherardini FC, Schwan TG.

Infect Immun. 2007 Aug;75(8):3877-84. Epub 2007 May 14.


Burkholderia mallei expresses a unique lipopolysaccharide mixture that is a potent activator of human Toll-like receptor 4 complexes.

Brett PJ, Burtnick MN, Snyder DS, Shannon JG, Azadi P, Gherardini FC.

Mol Microbiol. 2007 Jan;63(2):379-90. Epub 2006 Dec 5.


Borrelia burgdorferi bb0728 encodes a coenzyme A disulphide reductase whose function suggests a role in intracellular redox and the oxidative stress response.

Boylan JA, Hummel CS, Benoit S, Garcia-Lara J, Treglown-Downey J, Crane EJ 3rd, Gherardini FC.

Mol Microbiol. 2006 Jan;59(2):475-86.


Defining plasmids required by Borrelia burgdorferi for colonization of tick vector Ixodes scapularis (Acari: Ixodidae).

Grimm D, Tilly K, Bueschel DM, Fisher MA, Policastro PF, Gherardini FC, Schwan TG, Rosa PA.

J Med Entomol. 2005 Jul;42(4):676-84.


Borrelia burgdorferi sigma54 is required for mammalian infection and vector transmission but not for tick colonization.

Fisher MA, Grimm D, Henion AK, Elias AF, Stewart PE, Rosa PA, Gherardini FC.

Proc Natl Acad Sci U S A. 2005 Apr 5;102(14):5162-7. Epub 2005 Mar 2.


A conservative amino acid change alters the function of BosR, the redox regulator of Borrelia burgdorferi.

Seshu J, Boylan JA, Hyde JA, Swingle KL, Gherardini FC, Skare JT.

Mol Microbiol. 2004 Dec;54(5):1352-63.


Predominant outer membrane antigens of Bartonella henselae.

Chenoweth MR, Greene CE, Krause DC, Gherardini FC.

Infect Immun. 2004 Jun;72(6):3097-105.


Dissolved oxygen levels alter gene expression and antigen profiles in Borrelia burgdorferi.

Seshu J, Boylan JA, Gherardini FC, Skare JT.

Infect Immun. 2004 Mar;72(3):1580-6. Erratum in: Infect Immun. 2004 Apr;72(4):2456.


Growth characteristics of Bartonella henselae in a novel liquid medium: primary isolation, growth-phase-dependent phage induction, and metabolic studies.

Chenoweth MR, Somerville GA, Krause DC, O'Reilly KL, Gherardini FC.

Appl Environ Microbiol. 2004 Feb;70(2):656-63.


Borrelia oxidative stress response regulator, BosR: a distinctive Zn-dependent transcriptional activator.

Boylan JA, Posey JE, Gherardini FC.

Proc Natl Acad Sci U S A. 2003 Sep 30;100(20):11684-9. Epub 2003 Sep 15.


Membrane localization of motility, signaling, and polyketide synthetase proteins in Myxococcus xanthus.

Simunovic V, Gherardini FC, Shimkets LJ.

J Bacteriol. 2003 Sep;185(17):5066-75.


Increased expression of Borrelia burgdorferi vlsE in response to human endothelial cell membranes.

Hudson CR, Frye JG, Quinn FD, Gherardini FC.

Mol Microbiol. 2001 Jul;41(1):229-39.


Lack of a role for iron in the Lyme disease pathogen.

Posey JE, Gherardini FC.

Science. 2000 Jun 2;288(5471):1651-3.


Characterization of a manganese-dependent regulatory protein, TroR, from Treponema pallidum.

Posey JE, Hardham JM, Norris SJ, Gherardini FC.

Proc Natl Acad Sci U S A. 1999 Sep 14;96(19):10887-92.


Bartonella henselae invasion of feline erythrocytes in vitro.

Mehock JR, Greene CE, Gherardini FC, Hahn TW, Krause DC.

Infect Immun. 1998 Jul;66(7):3462-6.


Purified outer membranes of Serpulina hyodysenteriae contain cholesterol.

Plaza H, Whelchel TR, Garczynski SF, Howerth EW, Gherardini FC.

J Bacteriol. 1997 Sep;179(17):5414-21.


Identification of a transferrin-binding protein from Borrelia burgdorferi.

Carroll JA, Dorward DW, Gherardini FC.

Infect Immun. 1996 Aug;64(8):2911-6.


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