Heterogeneity of phenotypic and genotypic traits including organic-acid resistance in Escherichia coli O157 isolates

被引：11

作者：

Horii, T

Barua, S

Kimura, T

Kasugai, S

Sato, K

Shibayama, K

Ichiyama, S

Ohta, M

机构：

[1] Nagoya Univ, Sch Med, Dept Bacteriol, Showa Ku, Nagoya, Aichi 4668550, Japan

[2] Nagoya Univ Hosp, Dept Clin Lab Med, Nagoya, Aichi 4668550, Japan

来源：

MICROBIOLOGY AND IMMUNOLOGY | 1998年 / 42卷 / 12期

关键词：

Escherichia coli O157; pathogenic factor; acid resistance; antibiotic resistance;

D O I：

10.1111/j.1348-0421.1998.tb02363.x

中图分类号：

R392 [医学免疫学]; Q939.91 [免疫学];

学科分类号：

100102 ;

摘要：

We undertook an epidemiologic study for the sensitivity of both Shiga-like toxin (Slt)-producing Escherichia coli (STEC) O157 and non-STEC O157 strains isolated from different patients with diarrhea to hydrochloric acid (HCl) and organic acids such as acetate, propionate, butyrate and lactate, and other pathogenic factors. The E. coli O157 isolates examined showed a wide variety of organic-acid susceptibility patterns. E. coli O157 isolates resistant to HCl or acetate were found more frequently than those resistant to other organic acids. These isolates also showed diverse pathogenicity patterns for the presence of the virulence genes, antibiotic susceptibility and plasmid profile.

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页码：871 / 874

页数：4

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