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Clostridium perfringens: Comparative effects of heat and osmotic stress on non-enterotoxigenic and enterotoxigenic strains.

Abstract：

:Clostridium perfringens isolates associated with food poisoning carries a chromosomal cpe gene, while non-foodborne human gastrointestinal disease isolates carry a plasmid cpe gene. The enterotoxigenic strains tested produced vegetative cells and spores with significantly higher resistance than non-enterotoxigenic strains. These results suggest that the vegetative cells and spores have a competitive advantage over non-enterotoxigenic strains. However, no explanation has been provided for the significant associations between chromosomal cpe genotypes with the high resistance, which could explain the strong relationship between chromosomal cpe isolates and C. perfringens type A food poisoning. Here, we analyse the action of physical and chemical agent on non-enterotoxigenic and enterotoxigenic regional strains. And this study tested the relationship between the sensitivities of spores and their levels SASPs (small acid soluble proteins) production in the same strains examined.

journal_name

Anaerobe

journal_title

Anaerobe

authors

Abbona CC,Stagnitta PV

doi

10.1016/j.anaerobe.2016.03.007

subject

Has Abstract

pub_date

2016-06-01 00:00:00

pages

105-13

eissn

1075-9964

issn

1095-8274

pii

S1075-9964(16)30021-X

journal_volume

39

pub_type

杂志文章

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