Molecular epidemiology of beta-lactamase-producing enterococci.

Antimicrobial Agents and Chemotherapy
J E PattersonB E Murray

Abstract

Plasmids from the first six reported beta-lactamase-producing (Bla+) enterococci were compared for genetic relatedness. Bla+ enterococcal plasmids from strains isolated in Houston, Tex.; Philadelphia, Pa.; Connecticut; and Pittsburgh, Pa., had heterogeneous HaeIII and MspI-ClaI restriction endonuclease digestion patterns. A staphylococcal beta-lactamase probe hybridized to all six Bla+ enterococcal plasmids, but hybridization was detected on different HaeIII and MspI-ClaI fragments of the six plasmids. An enterococcal gentamicin resistance (Gmr) probe hybridized to a common 3.9-kilobase HaeIII fragment from the five Gmr plasmids. The Houston plasmid was cross-hybridized to the other five strains, and moderate to extensive homology was demonstrated. Bla+ enterococcal plasmids from a broad geographic range are heterogeneous with respect to size and restriction endonuclease digestion patterns but contain homologous genetic material, including Bla+ and Gmr determinants.

References

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Dec 1, 1986·Antimicrobial Agents and Chemotherapy·B E MurrayB Mederski-Samoraj
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Citations

Jul 14, 1999·Diagnostic Microbiology and Infectious Disease·B M WilleyD E Low
Feb 11, 1991·Antimicrobial Agents and Chemotherapy·L B RiceR C Moellering
Nov 1, 1992·Antimicrobial Agents and Chemotherapy·B E Murray
Feb 1, 1992·Antimicrobial Agents and Chemotherapy·C Poyart-SalmeronP Courvalin
May 1, 1992·Antimicrobial Agents and Chemotherapy·J M BoyceA A Medeiros
Nov 1, 1993·Antimicrobial Agents and Chemotherapy·N C ClarkF C Tenover
May 1, 1993·Antimicrobial Agents and Chemotherapy·J W ChowM J Zervos
Apr 1, 1994·Antimicrobial Agents and Chemotherapy·L B Rice, S H Marshall
Jul 6, 2007·PloS One·Shonna M McBrideMichael S Gilmore
Nov 1, 1993·Khirurgiia·V I Sedov
Jul 23, 2004·Expert Opinion on Investigational Drugs·Malcolm G P Page
Jul 1, 1997·Equine Veterinary Journal·J A Orsini, P Spencer
Feb 28, 1991·The New England Journal of Medicine·G A Jacoby, G L Archer
Nov 1, 1991·Journal of Clinical Microbiology·J E PattersonB E Murray
May 1, 1996·Antimicrobial Agents and Chemotherapy·J F TomaykoB E Murray

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