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Appl Environ Microbiol. 1986 February; 51(2): 444-445
Copyright © 1986, American Society for Microbiology. All Rights Reserved.

Isolation of Non-O1 Vibrio cholerae Serovars from Oregon Coastal Environments

D. L. Tison^,*, M. Nishibuchi, R. J. Seidler^|| and R. J. Siebeling

² Departments of Microbiology, Oregon State University, Corvallis, Oregon 97331, ¹ and Louisiana State University, Baton Rouge, Louisiana 70803²

ABSTRACT

Water, sediment, and shellfish from three Oregon estuaries were cultured for pathogenic Vibrio species. Non-O1 serovars of V. cholerae were the most common pathogenic Vibrio species recovered. Non-O1 V. cholerae were isolated from all three estuaries sampled, covering an area of about 170 miles along the Oregon coast. Non-O1 V. cholerae were isolated from water and sediment, but not shellfish, at temperatures ranging from 11 to 19°C and salinities of 2.3 to 26. Sixteen isolates representing 12 different non-O1 serovars were identified, while four non-O1 V. cholerae isolates failed to react with any of the 54 antisera tested. These results indicate that non-O1 V. cholerae serovars can be found over a large geographic area and under a variety of environmental conditions. These organisms are apparently an autochthonous component of these estuarine microbial communities.

^* Corresponding author.

Present address: Clinical Microbiology Laboratory, Multicare Medical Center, Tacoma, WA 98405.

Present address: Center for Vaccine Development, University of Maryland School of Medicine, Baltimore, MD 21201.

^|| Present address: U.S. Environmental Protection Agency, Biotechnology Program, Corvallis, OR 97333.

Technical paper 7765 from the Oregon Agricultural Experiment Station, Corvallis, OR 97311.