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In silico Predicted Glucose-1-phosphate Uridylyltransferase (GalU) Inhibitors Block a Key Pathway Required for Listeria Virulence.

Kuenemann MA, Spears PA, Orndorff PE, Fourches D.

Mol Inform. 2018 Jul;37(6-7):e1800004. doi: 10.1002/minf.201800004. Epub 2018 Mar 8.


Antibacterial efficacy and cytotoxicity of low intensity direct current activated silver-titanium implant system prototype.

Tan Z, Havell EA, Orndorff PE, Shirwaiker RA.

Biometals. 2017 Feb;30(1):113-125. doi: 10.1007/s10534-017-9993-1. Epub 2017 Jan 16.


Listeria monocytogenes wall teichoic acid decoration in virulence and cell-to-cell spread.

Spears PA, Havell EA, Hamrick TS, Goforth JB, Levine AL, Abraham ST, Heiss C, Azadi P, Orndorff PE.

Mol Microbiol. 2016 Sep;101(5):714-30. doi: 10.1111/mmi.13353. Epub 2016 Mar 10.


Evaluation of silver-titanium implants activated by low intensity direct current for orthopedic infection control: An in vitro and in vivo study.

Cavanaugh DL, Tan ZG, Norris JP 4th, Hardee A, Weinhold PS, Dahners LE, Orndorff PE, Shirwaiker RA.

J Biomed Mater Res B Appl Biomater. 2016 Jul;104(5):1023-31. doi: 10.1002/jbm.b.33451. Epub 2015 May 21.


Effects of cathode design parameters on in vitro antimicrobial efficacy of electrically-activated silver-based iontophoretic system.

Tan Z, Ganapathy A, Orndorff PE, Shirwaiker RA.

J Mater Sci Mater Med. 2015 Jan;26(1):5382. doi: 10.1007/s10856-015-5382-x. Epub 2015 Jan 15.


The Haemophilus ducreyi trimeric autotransporter adhesin DsrA protects against an experimental infection in the swine model of chancroid.

Fusco WG, Choudhary NR, Routh PA, Ventevogel MS, Smith VA, Koch GG, Almond GW, Orndorff PE, Sempowski GD, Leduc I.

Vaccine. 2014 Jun 24;32(30):3752-8. doi: 10.1016/j.vaccine.2014.05.031. Epub 2014 May 18.


Extrauterine listeriosis in the gravid mouse influences embryonic growth and development.

Suyemoto MM, Hamrick TS, Spears PA, Horton JR, Washington IM, Havell EA, Borst LB, Orndorff PE.

PLoS One. 2013 Aug 14;8(8):e72601. doi: 10.1371/journal.pone.0072601. eCollection 2013.


Biocompatibility analysis of an electrically-activated silver-based antibacterial surface system for medical device applications.

Samberg ME, Tan Z, Monteiro-Riviere NA, Orndorff PE, Shirwaiker RA.

J Mater Sci Mater Med. 2013 Mar;24(3):755-60. doi: 10.1007/s10856-012-4838-5. Epub 2012 Dec 16.


In vitro properties of a Listeria monocytogenes bacteriophage-resistant mutant predict its efficacy as a live oral vaccine strain.

Spears PA, Suyemoto MM, Hamrick TS, Wolf RL, Havell EA, Orndorff PE.

Infect Immun. 2011 Dec;79(12):5001-9. doi: 10.1128/IAI.05700-11. Epub 2011 Sep 19.


Passive immunization with a polyclonal antiserum to the hemoglobin receptor of Haemophilus ducreyi confers protection against a homologous challenge in the experimental swine model of chancroid.

Leduc I, Fusco WG, Choudhary N, Routh PA, Cholon DM, Hobbs MM, Almond GW, Orndorff PE, Elkins C.

Infect Immun. 2011 Aug;79(8):3168-77. doi: 10.1128/IAI.00017-11. Epub 2011 Jun 6.


Incorporation of secretory immunoglobulin A into biofilms can decrease their resistance to ciprofloxacin.

Lee YH, Su KY, Wyse A, Barbas A, Palestrandt D, Shieh K, Everett ML, Devalapalli A, Orndorff PE, Bollinger RR, Parker W.

Microbiol Immunol. 2011 Mar;55(3):174-83. doi: 10.1111/j.1348-0421.2010.00297.x.


Antibacterial efficacy of silver nanoparticles of different sizes, surface conditions and synthesis methods.

Samberg ME, Orndorff PE, Monteiro-Riviere NA.

Nanotoxicology. 2011 Jun;5(2):244-53. doi: 10.3109/17435390.2010.525669. Epub 2010 Nov 1.


Factors associated with the acquisition and severity of gestational listeriosis.

Suyemoto MM, Spears PA, Hamrick TS, Barnes JA, Havell EA, Orndorff PE.

PLoS One. 2010 Sep 27;5(9):e13000. doi: 10.1371/journal.pone.0013000.


Immunization with the Haemophilus ducreyi hemoglobin receptor HgbA with adjuvant monophosphoryl lipid A protects swine from a homologous but not a heterologous challenge.

Fusco WG, Afonina G, Nepluev I, Cholon DM, Choudhary N, Routh PA, Almond GW, Orndorff PE, Staats H, Hobbs MM, Leduc I, Elkins C.

Infect Immun. 2010 Sep;78(9):3763-72. doi: 10.1128/IAI.00217-10. Epub 2010 Jun 28.


Adaptation in a mouse colony monoassociated with Escherichia coli K-12 for more than 1,000 days.

Lee SM, Wyse A, Lesher A, Everett ML, Lou L, Holzknecht ZE, Whitesides JF, Spears PA, Bowles DE, Lin SS, Tonkonogy SL, Orndorff PE, Bollinger RR, Parker W.

Appl Environ Microbiol. 2010 Jul;76(14):4655-63. doi: 10.1128/AEM.00358-10. Epub 2010 May 14.


Identification and characterization of two Bordetella avium gene products required for hemagglutination.

Temple LM, Miyamoto DM, Mehta M, Capitini CM, Von Stetina S, Barnes HJ, Christensen VL, Horton JR, Spears PA, Orndorff PE.

Infect Immun. 2010 Jun;78(6):2370-6. doi: 10.1128/IAI.00140-10. Epub 2010 Mar 29.


Quantitative glycomics from fluidic glycan microarrays.

Zhu XY, Holtz B, Wang Y, Wang LX, Orndorff PE, Guo A.

J Am Chem Soc. 2009 Sep 30;131(38):13646-50. doi: 10.1021/ja902783n.


Altering and assessing persistence of genetically modified E. coli MG1655 in the large bowel.

Barbas AS, Lesher AP, Thomas AD, Wyse A, Devalapalli AP, Lee YH, Tan HE, Orndorff PE, Bollinger RR, Parker W.

Exp Biol Med (Maywood). 2009 Oct;234(10):1174-85. doi: 10.3181/0812-RM-358. Epub 2009 Jul 13.


A Listeria monocytogenes mutant defective in bacteriophage attachment is attenuated in orally inoculated mice and impaired in enterocyte intracellular growth.

Spears PA, Suyemoto MM, Palermo AM, Horton JR, Hamrick TS, Havell EA, Orndorff PE.

Infect Immun. 2008 Sep;76(9):4046-54. doi: 10.1128/IAI.00283-08. Epub 2008 Jun 16.


Comparison of the genome sequence of the poultry pathogen Bordetella avium with those of B. bronchiseptica, B. pertussis, and B. parapertussis reveals extensive diversity in surface structures associated with host interaction.

Sebaihia M, Preston A, Maskell DJ, Kuzmiak H, Connell TD, King ND, Orndorff PE, Miyamoto DM, Thomson NR, Harris D, Goble A, Lord A, Murphy L, Quail MA, Rutter S, Squares R, Squares S, Woodward J, Parkhill J, Temple LM.

J Bacteriol. 2006 Aug;188(16):6002-15.


Expression of Haemophilus ducreyi collagen binding outer membrane protein NcaA is required for virulence in swine and human challenge models of chancroid.

Fulcher RA, Cole LE, Janowicz DM, Toffer KL, Fortney KR, Katz BP, Orndorff PE, Spinola SM, Kawula TH.

Infect Immun. 2006 May;74(5):2651-8.


Immunization with the Haemophilus ducreyi hemoglobin receptor HgbA protects against infection in the swine model of chancroid.

Afonina G, Leduc I, Nepluev I, Jeter C, Routh P, Almond G, Orndorff PE, Hobbs M, Elkins C.

Infect Immun. 2006 Apr;74(4):2224-32.


Host and bacterial factors in listeriosis pathogenesis.

Orndorff PE, Hamrick TS, Smoak IW, Havell EA.

Vet Microbiol. 2006 Apr 16;114(1-2):1-15. Epub 2006 Jan 18. Review.


Secretory IgA and mucin-mediated biofilm formation by environmental strains of Escherichia coli: role of type 1 pili.

Bollinger RR, Everett ML, Wahl SD, Lee YH, Orndorff PE, Parker W.

Mol Immunol. 2006 Feb;43(4):378-87.


Immunoglobulin-mediated agglutination of and biofilm formation by Escherichia coli K-12 require the type 1 pilus fiber.

Orndorff PE, Devapali A, Palestrant S, Wyse A, Everett ML, Bollinger RR, Parker W.

Infect Immun. 2004 Apr;72(4):1929-38.


A humoral immune response confers protection against Haemophilus ducreyi infection.

Cole LE, Toffer KL, Fulcher RA, San Mateo LR, Orndorff PE, Kawula TH.

Infect Immun. 2003 Dec;71(12):6971-7.


Influence of pregnancy on the pathogenesis of listeriosis in mice inoculated intragastrically.

Hamrick TS, Horton JR, Spears PA, Havell EA, Smoak IW, Orndorff PE.

Infect Immun. 2003 Sep;71(9):5202-9.


The Product of the fimI gene is necessary for Escherichia coli type 1 pilus biosynthesis.

Valenski ML, Harris SL, Spears PA, Horton JR, Orndorff PE.

J Bacteriol. 2003 Aug;185(16):5007-11.


Unexpected similarities between Bordetella avium and other pathogenic Bordetellae.

Spears PA, Temple LM, Miyamoto DM, Maskell DJ, Orndorff PE.

Infect Immun. 2003 May;71(5):2591-7.


Influence of extracellular bactericidal agents on bacteria within macrophages.

Hamrick TS, Diaz AH, Havell EA, Horton JR, Orndorff PE.

Infect Immun. 2003 Feb;71(2):1016-9.


BhuR, a virulence-associated outer membrane protein of Bordetella avium, is required for the acquisition of iron from heme and hemoproteins.

Murphy ER, Sacco RE, Dickenson A, Metzger DJ, Hu Y, Orndorff PE, Connell TD.

Infect Immun. 2002 Oct;70(10):5390-403.


Use of bacteriophage Ba1 to identify properties associated with Bordetella avium virulence.

Shelton CB, Temple LM, Orndorff PE.

Infect Immun. 2002 Mar;70(3):1219-24.


Characterization of Escherichia coli type 1 pilus mutants with altered binding specificities.

Harris SL, Spears PA, Havell EA, Hamrick TS, Horton JR, Orndorff PE.

J Bacteriol. 2001 Jul;183(13):4099-102.


Discovery, purification, and characterization of a temperate transducing bacteriophage for Bordetella avium.

Shelton CB, Crosslin DR, Casey JL, Ng S, Temple LM, Orndorff PE.

J Bacteriol. 2000 Nov;182(21):6130-6.


Experimental Salmonella typhi infection in the domestic pig, Sus scrofa domestica.

Metcalf ES, Almond GW, Routh PA, Horton JR, Dillman RC, Orndorff PE.

Microb Pathog. 2000 Aug;29(2):121-6.


Genetic characterization of Escherichia coli type 1 pilus adhesin mutants and identification of a novel binding phenotype.

Hamrick TS, Harris SL, Spears PA, Havell EA, Horton JR, Russell PW, Orndorff PE.

J Bacteriol. 2000 Jul;182(14):4012-21.


Characterization of Lyme disease spirochetes isolated from ticks and vertebrates in North Carolina.

Ryan JRApperson CS, Orndorff PE, Levin JF.

J Wildl Dis. 2000 Jan;36(1):48-55.


Immune cells are required for cutaneous ulceration in a swine model of chancroid.

San Mateo LR, Toffer KL, Orndorff PE, Kawula TH.

Infect Immun. 1999 Sep;67(9):4963-7.


Shigella infection as observed in the experimentally inoculated domestic pig, Sus scrofa domestica.

Maurelli AT, Routh PR, Dillman RC, Ficken MD, Weinstock DM, Almond GW, Orndorff PE.

Microb Pathog. 1998 Oct;25(4):189-96.


An experimental chain of infection reveals that distinct Borrelia burgdorferi populations are selected in arthropod and mammalian hosts.

Ryan JR, Levine JF, Apperson CS, Lubke L, Wirtz RA, Spears PA, Orndorff PE.

Mol Microbiol. 1998 Oct;30(2):365-79.


Bordetella avium virulence measured in vivo and in vitro.

Temple LM, Weiss AA, Walker KE, Barnes HJ, Christensen VL, Miyamoto DM, Shelton CB, Orndorff PE.

Infect Immun. 1998 Nov;66(11):5244-51.


Swine model of Haemophilus ducreyi infection.

Hobbs MM, San Mateo LR, Orndorff PE, Almond G, Kawula TH.

Infect Immun. 1995 Aug;63(8):3094-100.


A key role for type 1 pili in enterobacterial communicability.

Bloch CA, Stocker BA, Orndorff PE.

Mol Microbiol. 1992 Mar;6(6):697-701.


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