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Items: 46


Influence of isolate origin and presence of various genes on biofilm formation by Enterococcus faecium.

Almohamad S, Somarajan SR, Singh KV, Nallapareddy SR, Murray BE.

FEMS Microbiol Lett. 2014 Apr;353(2):151-6. doi: 10.1111/1574-6968.12418. Epub 2014 Mar 24.


The majority of a collection of U.S. endocarditis Enterococcus faecalis isolates obtained from 1974 to 2004 lack capsular genes and belong to diverse, non-hospital-associated lineages.

Chowdhury SA, Nallapareddy SR, Arias CA, Murray BE.

J Clin Microbiol. 2014 Feb;52(2):549-56. doi: 10.1128/JCM.02763-13. Epub 2013 Dec 4.


Contribution of individual Ebp Pilus subunits of Enterococcus faecalis OG1RF to pilus biogenesis, biofilm formation and urinary tract infection.

Sillanpää J, Chang C, Singh KV, Montealegre MC, Nallapareddy SR, Harvey BR, Ton-That H, Murray BE.

PLoS One. 2013 Jul 11;8(7):e68813. doi: 10.1371/journal.pone.0068813. Print 2013.


Expression of the collagen adhesin ace by Enterococcus faecalis strain OG1RF is not repressed by Ers but requires the Ers box.

Cohen AL, Roh JH, Nallapareddy SR, Höök M, Murray BE.

FEMS Microbiol Lett. 2013 Jul;344(1):18-24. doi: 10.1111/1574-6968.12146. Epub 2013 May 1.


Complete genome sequence of Enterococcus faecium strain TX16 and comparative genomic analysis of Enterococcus faecium genomes.

Qin X, Galloway-Peña JR, Sillanpaa J, Roh JH, Nallapareddy SR, Chowdhury S, Bourgogne A, Choudhury T, Muzny DM, Buhay CJ, Ding Y, Dugan-Rocha S, Liu W, Kovar C, Sodergren E, Highlander S, Petrosino JF, Worley KC, Gibbs RA, Weinstock GM, Murray BE.

BMC Microbiol. 2012 Jul 7;12:135. doi: 10.1186/1471-2180-12-135.


The Fsr quorum-sensing system of Enterococcus faecalis modulates surface display of the collagen-binding MSCRAMM Ace through regulation of gelE.

Pinkston KL, Gao P, Diaz-Garcia D, Sillanpää J, Nallapareddy SR, Murray BE, Harvey BR.

J Bacteriol. 2011 Sep;193(17):4317-25. doi: 10.1128/JB.05026-11. Epub 2011 Jun 24.


Relative contributions of Ebp Pili and the collagen adhesin ace to host extracellular matrix protein adherence and experimental urinary tract infection by Enterococcus faecalis OG1RF.

Nallapareddy SR, Singh KV, Sillanpää J, Zhao M, Murray BE.

Infect Immun. 2011 Jul;79(7):2901-10. doi: 10.1128/IAI.00038-11. Epub 2011 Apr 19.


Conservation of Ebp-type pilus genes among Enterococci and demonstration of their role in adherence of Enterococcus faecalis to human platelets.

Nallapareddy SR, Sillanpää J, Mitchell J, Singh KV, Chowdhury SA, Weinstock GM, Sullam PM, Murray BE.

Infect Immun. 2011 Jul;79(7):2911-20. doi: 10.1128/IAI.00039-11. Epub 2011 Apr 18.


Importance of two Enterococcus faecium loci encoding Gls-like proteins for in vitro bile salts stress response and virulence.

Choudhury T, Singh KV, Sillanpää J, Nallapareddy SR, Murray BE.

J Infect Dis. 2011 Apr 15;203(8):1147-54. doi: 10.1093/infdis/jiq160.


Enterococcus faecalis rnjB is required for pilin gene expression and biofilm formation.

Gao P, Pinkston KL, Nallapareddy SR, van Hoof A, Murray BE, Harvey BR.

J Bacteriol. 2010 Oct;192(20):5489-98. doi: 10.1128/JB.00725-10. Epub 2010 Aug 20.


Characterization of the ebp(fm) pilus-encoding operon of Enterococcus faecium and its role in biofilm formation and virulence in a murine model of urinary tract infection.

Sillanpää J, Nallapareddy SR, Singh KV, Prakash VP, Fothergill T, Ton-That H, Murray BE.

Virulence. 2010 Jul-Aug;1(4):236-46.


The fms21 (pilA)-fms20 locus encoding one of four distinct pili of Enterococcus faecium is harboured on a large transferable plasmid associated with gut colonization and virulence.

Kim DS, Singh KV, Nallapareddy SR, Qin X, Panesso D, Arias CA, Murray BE.

J Med Microbiol. 2010 Apr;59(Pt 4):505-7. doi: 10.1099/jmm.0.016238-0. Epub 2010 Jan 14. No abstract available.


Importance of the collagen adhesin ace in pathogenesis and protection against Enterococcus faecalis experimental endocarditis.

Singh KV, Nallapareddy SR, Sillanpää J, Murray BE.

PLoS Pathog. 2010 Jan 8;6(1):e1000716. doi: 10.1371/journal.ppat.1000716. Erratum in: PLoS Pathog. 2010;6(2). doi: 10.1371/annotation/1ccae8f8-d274-4ff8-a295-815037ce9cc6.


Adherence to host extracellular matrix and serum components by Enterococcus faecium isolates of diverse origin.

Zhao M, Sillanpää J, Nallapareddy SR, Murray BE.

FEMS Microbiol Lett. 2009 Nov;301(1):77-83. doi: 10.1111/j.1574-6968.2009.01806.x. Epub 2009 Oct 16.


Analysis of clonality and antibiotic resistance among early clinical isolates of Enterococcus faecium in the United States.

Galloway-Peña JR, Nallapareddy SR, Arias CA, Eliopoulos GM, Murray BE.

J Infect Dis. 2009 Nov 15;200(10):1566-73. doi: 10.1086/644790.


A collagen-binding adhesin, Acb, and ten other putative MSCRAMM and pilus family proteins of Streptococcus gallolyticus subsp. gallolyticus (Streptococcus bovis Group, biotype I).

Sillanpää J, Nallapareddy SR, Qin X, Singh KV, Muzny DM, Kovar CL, Nazareth LV, Gibbs RA, Ferraro MJ, Steckelberg JM, Weinstock GM, Murray BE.

J Bacteriol. 2009 Nov;191(21):6643-53. doi: 10.1128/JB.00909-09. Epub 2009 Aug 28.


A trilocus sequence typing scheme for hospital epidemiology and subspecies differentiation of an important nosocomial pathogen, Enterococcus faecalis.

Chowdhury SA, Arias CA, Nallapareddy SR, Reyes J, Willems RJ, Murray BE.

J Clin Microbiol. 2009 Sep;47(9):2713-9. doi: 10.1128/JCM.00667-09. Epub 2009 Jul 1.


A family of fibrinogen-binding MSCRAMMs from Enterococcus faecalis.

Sillanpää J, Nallapareddy SR, Houston J, Ganesh VK, Bourgogne A, Singh KV, Murray BE, Höök M.

Microbiology. 2009 Jul;155(Pt 7):2390-400. doi: 10.1099/mic.0.027821-0. Epub 2009 Apr 23.


Mechanism for sortase localization and the role of sortase localization in efficient pilus assembly in Enterococcus faecalis.

Kline KA, Kau AL, Chen SL, Lim A, Pinkner JS, Rosch J, Nallapareddy SR, Murray BE, Henriques-Normark B, Beatty W, Caparon MG, Hultgren SJ.

J Bacteriol. 2009 May;191(10):3237-47. doi: 10.1128/JB.01837-08. Epub 2009 Mar 13.


Distribution of genes encoding MSCRAMMs and Pili in clinical and natural populations of Enterococcus faecium.

Sillanpää J, Prakash VP, Nallapareddy SR, Murray BE.

J Clin Microbiol. 2009 Apr;47(4):896-901. doi: 10.1128/JCM.02283-08. Epub 2009 Feb 4.


Adherence characteristics of endocarditis-derived Streptococcus gallolyticus ssp. gallolyticus (Streptococcus bovis biotype I) isolates to host extracellular matrix proteins.

Sillanpää J, Nallapareddy SR, Singh KV, Ferraro MJ, Murray BE.

FEMS Microbiol Lett. 2008 Dec;289(1):104-9. doi: 10.1111/j.1574-6968.2008.01378.x.


MRSA USA300 clone and VREF--a U.S.-Colombian connection?

Arias CA, Rincon S, Chowdhury S, Martínez E, Coronell W, Reyes J, Nallapareddy SR, Murray BE.

N Engl J Med. 2008 Nov 13;359(20):2177-9. doi: 10.1056/NEJMc0804021. No abstract available.


Identification and phenotypic characterization of a second collagen adhesin, Scm, and genome-based identification and analysis of 13 other predicted MSCRAMMs, including four distinct pilus loci, in Enterococcus faecium.

Sillanpää J, Nallapareddy SR, Prakash VP, Qin X, Höök M, Weinstock GM, Murray BE.

Microbiology. 2008 Oct;154(Pt 10):3199-211. doi: 10.1099/mic.0.2008/017319-0.


Large scale variation in Enterococcus faecalis illustrated by the genome analysis of strain OG1RF.

Bourgogne A, Garsin DA, Qin X, Singh KV, Sillanpaa J, Yerrapragada S, Ding Y, Dugan-Rocha S, Buhay C, Shen H, Chen G, Williams G, Muzny D, Maadani A, Fox KA, Gioia J, Chen L, Shang Y, Arias CA, Nallapareddy SR, Zhao M, Prakash VP, Chowdhury S, Jiang H, Gibbs RA, Murray BE, Highlander SK, Weinstock GM.

Genome Biol. 2008;9(7):R110. doi: 10.1186/gb-2008-9-7-r110. Epub 2008 Jul 8.


A functional collagen adhesin gene, acm, in clinical isolates of Enterococcus faecium correlates with the recent success of this emerging nosocomial pathogen.

Nallapareddy SR, Singh KV, Okhuysen PC, Murray BE.

Infect Immun. 2008 Sep;76(9):4110-9. doi: 10.1128/IAI.00375-08. Epub 2008 Jun 30.


Contribution of the collagen adhesin Acm to pathogenesis of Enterococcus faecium in experimental endocarditis.

Nallapareddy SR, Singh KV, Murray BE.

Infect Immun. 2008 Sep;76(9):4120-8. doi: 10.1128/IAI.00376-08. Epub 2008 Jun 30.


Relative contributions of Enterococcus faecalis OG1RF sortase-encoding genes, srtA and bps (srtC), to biofilm formation and a murine model of urinary tract infection.

Kemp KD, Singh KV, Nallapareddy SR, Murray BE.

Infect Immun. 2007 Nov;75(11):5399-404. Epub 2007 Sep 4. Erratum in: Infect Immun. 2010 Jan;78(1):562.


Inhibition of Enterococcus faecium adherence to collagen by antibodies against high-affinity binding subdomains of Acm.

Nallapareddy SR, Sillanpää J, Ganesh VK, Höök M, Murray BE.

Infect Immun. 2007 Jun;75(6):3192-6. Epub 2007 Apr 16.


Endocarditis and biofilm-associated pili of Enterococcus faecalis.

Nallapareddy SR, Singh KV, Sillanpää J, Garsin DA, Höök M, Erlandsen SL, Murray BE.

J Clin Invest. 2006 Oct;116(10):2799-807.


Enterococcus faecalis adhesin, Ace, mediates attachment to particulate dentin.

Kowalski WJ, Kasper EL, Hatton JF, Murray BE, Nallapareddy SR, Gillespie MJ.

J Endod. 2006 Jul;32(7):634-7. Epub 2006 May 2.


Multilocus sequence typing scheme for Enterococcus faecalis reveals hospital-adapted genetic complexes in a background of high rates of recombination.

Ruiz-Garbajosa P, Bonten MJ, Robinson DA, Top J, Nallapareddy SR, Torres C, Coque TM, Cantón R, Baquero F, Murray BE, del Campo R, Willems RJ.

J Clin Microbiol. 2006 Jun;44(6):2220-8.


A family of putative MSCRAMMs from Enterococcus faecalis.

Sillanpää J, Xu Y, Nallapareddy SR, Murray BE, Höök M.

Microbiology. 2004 Jul;150(Pt 7):2069-78.


Influence of origin of isolates, especially endocarditis isolates, and various genes on biofilm formation by Enterococcus faecalis.

Mohamed JA, Huang W, Nallapareddy SR, Teng F, Murray BE.

Infect Immun. 2004 Jun;72(6):3658-63. Erratum in: Infect Immun. 2005 Oct;73(10):7075.


Influence of Enterococcus faecalis proteases and the collagen-binding protein, Ace, on adhesion to dentin.

Hubble TS, Hatton JF, Nallapareddy SR, Murray BE, Gillespie MJ.

Oral Microbiol Immunol. 2003 Apr;18(2):121-6.


A potential virulence gene, hylEfm, predominates in Enterococcus faecium of clinical origin.

Rice LB, Carias L, Rudin S, Vael C, Goossens H, Konstabel C, Klare I, Nallapareddy SR, Huang W, Murray BE.

J Infect Dis. 2003 Feb 1;187(3):508-12. Epub 2003 Jan 8.


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