Autecology of Vibrio vulnificus and Vibrio parahaemolyticus in tropical waters

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Water and shellfish samples collected from estuaries, mangroves, and beaches along the coast of Puerto Rico were examined for Vibrio vulnificus and Vibrio parahaemolyticus. An array of water quality parameters were also measured simultaneous with bacteria sampling. Both species of vibrio were associated with estuary and mangrove locations, and neither was isolated from sandy beaches. Densities of V. vulnificus were negatively correlated with salinity, 10--15 ppt being optimal. V. parahaemolyticus was isolated from sites with salinities between 20 and 35 ppt, the highest densities occurring at 20 ppt. Densities of Vibrio spp. and V. parahaemolyticus for a tropical estuary surpassed ... continued below

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34 p.

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Rivera, S.; Lugo, T. & Hazen, T. C. Spring 1988.

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  • Savannah River Laboratory
    Publisher Info: E.I. du Pont de Nemours and Co., Savannah River Lab., Aiken, SC (United States)
    Place of Publication: Aiken, South Carolina

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Description

Water and shellfish samples collected from estuaries, mangroves, and beaches along the coast of Puerto Rico were examined for Vibrio vulnificus and Vibrio parahaemolyticus. An array of water quality parameters were also measured simultaneous with bacteria sampling. Both species of vibrio were associated with estuary and mangrove locations, and neither was isolated from sandy beaches. Densities of V. vulnificus were negatively correlated with salinity, 10--15 ppt being optimal. V. parahaemolyticus was isolated from sites with salinities between 20 and 35 ppt, the highest densities occurring at 20 ppt. Densities of Vibrio spp. and V. parahaemolyticus for a tropical estuary surpassed those reported for temperate estuaries by several orders of magnitude. Both densities of total Vibrio spp. and V. parahaemolyticus in the water were directly related to densities of fecal coliforms, unlike V. vulnificus. The incidence of ONPG(+) strains among sucrose({minus}) Vibrio spp. served as an indicator of the frequency of V. vulnificus in this group. More than 63% of the V. vulnificus isolated were pathogenic. V. vulnificus and V. parahaemolyticus occupy clearly separate niches within the tropical estuarine-marine ecosystem.

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34 p.

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OSTI as DE99002905

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  • Other Information: PBD: [1988]

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  • Other: DE99002905
  • Report No.: DP-MS--88-8
  • Grant Number: AC09-89SR18035;AC09-76SR00001
  • DOI: 10.2172/355031 | External Link
  • Office of Scientific & Technical Information Report Number: 355031
  • Archival Resource Key: ark:/67531/metadc675914

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  • Spring 1988

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  • July 25, 2015, 2:20 a.m.

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  • March 23, 2016, 11:12 a.m.

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Rivera, S.; Lugo, T. & Hazen, T. C. Autecology of Vibrio vulnificus and Vibrio parahaemolyticus in tropical waters, report, Spring 1988; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc675914/: accessed December 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.