Journal
ANAEROBE
Volume 14, Issue 2, Pages 102-108Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.anaerobe.2008.01.003
Keywords
Clostridium perfringens; health; genotype; enterotoxin; beta2
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Funding
- NIAID NIH HHS [T32 AI060525-01A1, T32 AI060525] Funding Source: Medline
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We investigated the frequency of Clostridium perfringens in the normal fecal flora of healthy North Americans. About half of 43 subjects were colonized with C perfringens at levels of similar to 10(6) cfu/g feces. Only type A strains were recovered. Spores sometimes outnumbered vegetative cells. Several genotypes were found. Some donors carried two genotypes, some only one. We found no alpha, beta2 or enterotoxin in the stools of any donors. Though some isolates carried toxin genes (e.g. cpe and cpb2) on plasmids, we saw no indication that healthy humans are the reservoir for the chromosomally-borne cpe recovered from cases of C perfringens food poisoning. (c) 2008 Elsevier Ltd. All rights reserved.
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