Characterization of Plasmids Carrying CMY-2 from Expanded-Spectrum Cephalosporin-Resistant Salmonella Strains Isolated in the United States between 1996 and 1998-Reference-Cited by-同舟云学术

Characterization of Plasmids Carrying CMY-2 from Expanded-Spectrum Cephalosporin-Resistant Salmonella Strains Isolated in the United States between 1996 and 1998

Published:2002-05 Issue:5 Volume:46 Page:1269-1272
ISSN:0066-4804
Container-title:Antimicrobial Agents and Chemotherapy
language:en
Short-container-title:Antimicrob Agents Chemother

Author:

Carattoli A.¹,Tosini F.²,Giles W. P.³,Rupp M. E.³,Hinrichs S. H.⁴,Angulo F. J.⁵,Barrett T. J.⁵,Fey P. D.³⁴

Affiliation:

1. Laboratory of Bacteriology and Mycology

2. Laboratory of Cellular Biology, Istituto Superiore di Sanità, 00161 Rome, Italy

3. Department of Internal Medicinethe

4. Nebraska Public Health Laboratory, Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, Nebraska

5. Foodborne and Diarrheal Diseases Branch, Division of Bacterial and Mycotic Diseases, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia

Abstract

ABSTRACT Sequencing of DNA from 15 expanded-spectrum cephalosporin (e.g., ceftriaxone)-resistant Salmonella isolates obtained in the United States revealed that resistance to ceftriaxone in all isolates was mediated by cmy-2. Hybridization patterns revealed three plasmid structures containing cmy-2 in these 15 isolates. These data suggest that the spread of cmy-2 among Salmonella strains is occurring through mobilization of the cmy-2 gene into different plasmid backbones and consequent horizontal transfer by conjugation.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

Link

https://journals.asm.org/doi/pdf/10.1128/AAC.46.5.1269-1272.2002

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