Prevalence of cholera toxin genes (ctxA and zot) among non-O1/O139 Vibrio cholerae strains from Newport Bay, California.
The examination of 137 non-O1/O139 Vibrio cholerae isolates from Newport Bay, California, indicated the presence of diverse genotypes and a temporal succession. Unexpectedly, the cholera toxin gene (ctxA) was found in 17% of the strains, of which one-third were also positive for the zot gene. This suggests that ctxA is prevalent in the region of nonepidemicity and is likely to have an environmental origin.
Jiang
Sunny
S
Environmental Health, Science and Policy, University of California, Irvine, California 92697, USA. sjiang@uci.edu
Chu
Weiping
W
Fu
Wuxia
W
D002140:California; D002772:Cholera Toxin / Q000235:genetics*; D016172:DNA Fingerprinting / Q000379:methods; D004731:Endotoxins; D008969:Molecular Sequence Data; D016133:Polymerase Chain Reaction; D017422:Sequence Analysis, DNA; D014734:Vibrio cholerae / Q000145:classification* / Q000235:genetics / Q000472:pathogenicity; D014871:Water Microbiology
D004731:Endotoxins; C077728:zonula occludens toxin, Vibrio cholerae; D002772:Cholera Toxin