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Distribution ofVibrio cholerae in two Florida estuaries |
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| Authors: | Mary A Hood G E Ness G E Rodrick N J Blake |
| Institution: | 1. Department of Biology, University of West Florida, 32504, Pensacola, Florida, USA 3. Department of Comprehensive Medicine, University of South Florida, 33612, Tampa, Florida, USA 4. Department of Marine Science, University of South Florida, 33701, St. Petersburg, Florida, USA |
| Abstract: | The distribution ofVibrio cholerae was examined in 2 Florida estuaries, Apalachicola and Tampa Bay.Vibrio cholerae serotype non-01 was the most abundant serotype, being isolated from 45% of the oyster samples, 30% of the sediments, 50% of the waters, and 75% of the blue crabs.Vibrio cholerae serotype 01 was isolated from only one oyster sample. Strong linear correlations betweenV. cholerae and temperature, salinity, or the other physical/chemical parameters measured,Escherichia coli, or fecal coliforms were not observed, but a range of temperatures and salinities appeared relevant to the distribution of the organism. The organism was present in the highest concentrations when salinities were 10‰–25‰ and temperatures were 20?C–35?C.In vitro growth curves of 95V. cholerae environmental isolates further supported that 10‰–25‰ was an ideal salinity range for the organisms. The results suggest thatV. cholerae is a widely distributed organism in the nutrient-rich warm waters of the Gulf Coast estuaries. |
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