Enteric viruses in a mangrove lagoon, survival and shellfish incidence

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Description

Mangrove oysters (Crassostrea rhizophorae) were screened for enteric viruses. For 18 months oysters were collected from Cano Boqueron, a tropical mangrove lagoon on the southwest coast of Puerto Rico. This popular tourist resort has two primary sewage treatment plants which service 158 single family cabanas. In spite of the heavy seasonal input of sewage to Cano Boqueron and high densities of fecal coliform bacteria, enteric viruses were not detected in shellfish meat. Because no viruses were detected in the oysters, a virus survival study was performed. Poliovirus type 1 was placed in diffusion chambers in situ at two sites in ... continued below

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29 p.

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Lopez de Cardona, I.; Bermudez, M.; Billmire, E. & 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

Mangrove oysters (Crassostrea rhizophorae) were screened for enteric viruses. For 18 months oysters were collected from Cano Boqueron, a tropical mangrove lagoon on the southwest coast of Puerto Rico. This popular tourist resort has two primary sewage treatment plants which service 158 single family cabanas. In spite of the heavy seasonal input of sewage to Cano Boqueron and high densities of fecal coliform bacteria, enteric viruses were not detected in shellfish meat. Because no viruses were detected in the oysters, a virus survival study was performed. Poliovirus type 1 was placed in diffusion chambers in situ at two sites in Cano Boqueron. More than 95% of the poliovirus inactivation occurred within 24 h. Virus inactivation was significantly different by site, indicating different inactivation rates within the lagoon. Chamber studies done simultaneously with Escherichia coli did not reveal differences between sites. It is suggested that the sewage effluent had an antiviral effect in the absence of an antibacterial effect. This study demonstrates the importance for establishing microbial contamination standards for shellfish growing waters in the tropics based upon in situ studies with tropical species, e.g. mangrove oyster.

Physical Description

29 p.

Notes

OSTI as DE99002907

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  • Other Information: PBD: [1988]

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  • Other: DE99002907
  • Report No.: DP-MS--88-6
  • Grant Number: AC09-89SR18035;AC09-76SR00001
  • DOI: 10.2172/353376 | External Link
  • Office of Scientific & Technical Information Report Number: 353376
  • Archival Resource Key: ark:/67531/metadc674272

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • Spring 1988

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • March 23, 2016, 11:11 a.m.

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Lopez de Cardona, I.; Bermudez, M.; Billmire, E. & Hazen, T. C. Enteric viruses in a mangrove lagoon, survival and shellfish incidence, report, Spring 1988; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc674272/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.