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食物中毒和食源性蜡样芽孢杆菌菌株的产肠毒素特性

Enterotoxigenic profiles of food-poisoning and food-borne Bacillus cereus strains.

作者信息

Guinebretière Marie-Hélène, Broussolle Véronique, Nguyen-The Christophe

机构信息

Institut National de la Recherche Agronomique, UMR A408 Sécurité et Qualité des Produits d'Origine Végétale, INRA, Domaine Saint-Paul, Site Agroparc, F-84914 Avignon Cedex 9, France.

出版信息

J Clin Microbiol. 2002 Aug;40(8):3053-6. doi: 10.1128/JCM.40.8.3053-3056.2002.

DOI:10.1128/JCM.40.8.3053-3056.2002
PMID:12149378
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC120679/
Abstract

The enterotoxigenic profiles of 51 B. cereus food-related strains were compared to those of 37 B. cereus food-poisoning strains. cytK and association of hbl-nhe-cytK enterotoxin genes were more frequent among diarrheal strains (73 and 63%) than among food-borne strains (37 and 33%). Unlike diarrheal strains, food-borne strains showed frequent nhe and hbl gene polymorphisms and were often low toxin producers.

摘要

将51株与食物相关的蜡样芽孢杆菌菌株的产肠毒素谱与37株蜡样芽孢杆菌食物中毒菌株的产肠毒素谱进行了比较。与食源性菌株（37%和33%）相比，腹泻菌株中cytK以及hbl-nhe-cytK肠毒素基因的关联更为常见（73%和63%）。与腹泻菌株不同，食源性菌株显示出频繁的nhe和hbl基因多态性，并且通常是低毒素产生者。

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