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Applied and Environmental Microbiology, December 2003, p. 7541-7544, Vol. 69, No. 12
0099-2240/03/$08.00+0     DOI: 10.1128/AEM.69.12.7541-7544.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.

Prevalence of Cholera Toxin Genes (ctxA and zot) among Non-O1/O139 Vibrio cholerae Strains from Newport Bay, California

Sunny Jiang,* Weiping Chu, and Wuxia Fu

Environmental Health, Science and Policy, University of California, Irvine, California 92697

Received 22 April 2003/ Accepted 4 September 2003

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.

* Corresponding author. Mailing address: Environmental Health, Science and Policy, 1367 SE II, University of California, Irvine, CA 92697. Phone: (949) 824-5527. Fax: (949) 824-2056. E-mail: sjiang{at}uci.edu.

Applied and Environmental Microbiology, December 2003, p. 7541-7544, Vol. 69, No. 12
0099-2240/03/$08.00+0     DOI: 10.1128/AEM.69.12.7541-7544.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.



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  • Maiti, D., Das, B., Saha, A., Nandy, R. K., Nair, G. B., Bhadra, R. K. (2006). Genetic organization of pre-CTX and CTX prophages in the genome of an environmental Vibrio cholerae non-O1, non-O139 strain. Microbiology 152: 3633-3641 [Abstract] [Full Text]  
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