Медицинская библиотека · Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi · 2000

[Gena types of Shigella enterotoxins of S. flexneri 2a].

Bai S, Li X, Xia G, Yuan H, Zheng W, Wang H

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Аннотация

OBJECTIVE

To identify homogenous clones of S. flexneri 2a, using gene distribution polymorphism of Shigella enterotoxin 1 (set 1) and Shigella enterotoxin 2 (set 2) in a Shigellosis outbreak caused by S. flexneri 2a.

METHODS

In addition to field epidemiological investigation, 43 strains of S. flexneri 2a were determined by polymerase chain reaction (PCR).

RESULTS

The 43 strains (1 from food, 1 from a carrier, 41 from patients) were divided into 3 clones (set1 +/set2 + for 39 strains, set1 -/set2 + for 1, set1 +/set2 - for 3 strains).

CONCLUSION

This outbreak was caused by S. flexneri 2a. The route of transmission was contaminated-food borne. Some sporadic cases were noticed during the outbreak. The method used in this study was satisfactory to the identification of S. flexneri 2a.

Для цитирования: Bai S, Li X, Xia G, Yuan H, Zheng W, Wang H. [Gena types of Shigella enterotoxins of S. flexneri 2a].. Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi. 2000.

Предметные рубрики MeSH

China Disease Outbreaks Dysentery, Bacillary Genotype Humans Polymerase Chain Reaction Polymorphism, Genetic Shiga Toxin Shigella flexneri

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