A SURVEY OF UREASE-POSITIVE VIBRIO-PARAHAEMOLYTICUS STRAINS ISOLATED FROM TRAVELERS DIARRHEA, SEA-WATER AND IMPORTED FROZEN SEA FOODS

被引：21

作者：

HONDA, S

MATSUMOTO, S

MIWATANI, T

HONDA, T

机构：

[1] OSAKA UNIV,MICROBIAL DIS RES INST,SUITA,OSAKA 565,JAPAN

[2] OSAKA UNIV,FAC DENT SCH,SUITA,OSAKA 565,JAPAN

来源：

EUROPEAN JOURNAL OF EPIDEMIOLOGY | 1992年 / 8卷 / 06期

关键词：

UREASE; VIBRIO-PARAHAEMOLYTICUS; HEMOLYSIN;

D O I：

10.1007/BF00145333

中图分类号：

R1 [预防医学、卫生学];

学科分类号：

1004 ; 120402 ;

摘要：

The frequency of urease-positive Vibrio parahaemolyticus among isolates from patients, imported frozen sea foods and the environment (sea water) was studied. The highest isolation frequency of urease-positive V. parahaemolyticus was found in clinical isolates (11.2% out of 204 strains examined). Urease-positive V. parahaemolyticus was found in 5.7% of 88 frozen sea food-isolates examined, but no strains isolated from sea water were urease-positive. The isolates were further examined for the production of thermostable direct hemolysin (Vp-TDH) and its related hemolysin (Vp-TRH). Both are possible pathogenic toxins produced by mostly clinical isolates of V. parahaemolyticus. Urease-positive strains have a tendency to associate with clinical isolates producing both or neither Vp-TDH and Vp-TRH. Rabbit ligated ileal loops test was performed with several strains of urease-positive and -negative clinical isolates, and we found that some strains producing urease, even those which do not produce Vp-TDH or Vp-TRH, caused intestinal fluid accumulation.

引用

页码：861 / 864

页数：4

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