Document Detail

Contamination of organotin compounds and imposex in molluscs from Vancouver, Canada.
MedLine Citation:
PMID:  12962647     Owner:  NLM     Status:  MEDLINE    
Gastropods and bivalves were collected at 15 sites at Vancouver and Victoria, Canada between 24 May and 7 June, 1999, to establish tissue concentrations of butyltin and phenyltin compounds, to record imposex symptoms in gastropods, and to assess the present status of organotin contamination around Vancouver. No neogastropods (such as Nucella lima) were found around Vancouver. Neogastropod populations could have been extirpated by severe TBT contamination in Vancouver, as relatively high concentrations of TBT were detected in tissues of Mytilus trossulus from Vancouver, and the neogastropods distributed in Vancouver might be sensitive to TBT. Recovery from imposex, however, was observed in neogastropod populations from three sites at Victoria and Mission Point. TBT contamination has continued around Vancouver, arising from continuous use of TBT in antifouling paints for vessels larger than 25 m in length; however, TBT has decreased around Victoria and Mission Point. Different patterns of TBT accumulation in tissue were observed among the bivalve species from Vancouver. The highest TBT concentration detected in Tresus capax suggested some possible adverse effects. TBT was the most predominant butyltin component in almost all bivalve specimens surveyed, suggesting a low rate of TBT metabolism. Phenyltin compounds were not detected in any molluscan specimens in this study.
T Horiguchi; Z Li; S Uno; M Shimizu; H Shiraishi; M Morita; J A J Thompson; C D Levings
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Marine environmental research     Volume:  57     ISSN:  0141-1136     ISO Abbreviation:  Mar. Environ. Res.     Publication Date:    2004 Feb-Mar
Date Detail:
Created Date:  2003-09-09     Completed Date:  2004-02-04     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9882895     Medline TA:  Mar Environ Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  75-88     Citation Subset:  IM    
National Institute for Environmental Studies, Onogawa 16-2, Tsukuba, Ibaraki, 305-8506, Japan.
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MeSH Terms
British Columbia
Environmental Exposure*
Environmental Monitoring
Hermaphroditism / etiology*
Trialkyltin Compounds / metabolism,  poisoning*
Water Pollutants, Chemical / metabolism,  toxicity*
Reg. No./Substance:
0/Trialkyltin Compounds; 0/Water Pollutants, Chemical; 688-73-3/tributyltin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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