期刊
ANAEROBE
卷 17, 期 4, 页码 161-165出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.anaerobe.2011.02.005
关键词
Clostridium difficile; CDT; Binary toxin; Feces; Ribotype
类别
Clostridium difficile is a major enteropathogen of humans. It produces two main virulence factors, toxins A and B. A third, less well known toxin, C. difficile toxin (CDT), is a binary toxin composed of distinct enzymatic (CdtA) and cell binding/translocation (CdtB) proteins. We used a novel enzyme linked immunoassay (EIA) to detect CdtB protein in feces and culture fluids. Additionally. PCR was used to assay C. difficile isolates from fecal samples for the CDT locus (CdtLoc). Although the results from 80 isolates suggest no relationship between toxin concentrations in situ and in vitro, there is a good correlation between PCR detection of the cdtB gene and EIA detection of CdtB protein in vitro. Possible implications of the detection of CDT in patients are discussed. (C) 2011 Elsevier Ltd. All rights reserved.
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