β-Lactam Resistance in Haemophilus parasuis Is Mediated by Plasmid pB1000 Bearing bla ROB-1

Author:

San Millan Alvaro1,Escudero Jose Antonio1,Catalan Ana1,Nieto Silvia1,Farelo Fidel1,Gibert Magdalena1,Moreno Miguel Angel1,Dominguez Lucas1,Gonzalez-Zorn Bruno1

Affiliation:

1. Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad Complutense de Madrid, Madrid, Spain

Abstract

ABSTRACT β-Lactam resistance in Haemophilus parasuis is an emerging phenomenon that has not yet been characterized from a molecular perspective. Clinical high-level β-lactam-resistant isolates from Spain bore a novel plasmid, pB1000, expressing a functionally active ROB-1 β-lactamase. Pulsed-field gel electrophoresis was applied for the first time to H. parasuis and showed that β-lactam resistance is due to clonal spread of a resistant strain, BB1018, bearing pB1000.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

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