Journal article

Identification of virulence-associated characteristics in clinical isolates of Yersinia enterocolitica lacking classical virulence markers

T Grant, V Bennett-Wood, RM Robins-Browne

Infection and Immunity | AMER SOC MICROBIOLOGY | Published : 1998

Abstract

Yersinia enterocolitica is an important enteric pathogen which has well-defined virulence determinants that allow the bacteria to become established in their hosts and overcome host defenses. A number of strains obtained from patients with diarrhea, however, lack these genes. Accordingly, the mechanisms by which they cause disease are uncertain. Most of these isolates belong to biotype 1A. Strains of this biotype are also frequently isolated from a variety of nonclinical sources, such as food, soil, water, and healthy animals, and there is evidence that some of these strains are avirulent. In this study we investigated 111 strains of Y. enterocolitica biotype 1A, 79 from symptomatic humans a..

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