Document Detail

Micronuclei and fluctuating asymmetry in brown trout (Salmo trutta): complementary methods to biomonitor freshwater ecosystems.
MedLine Citation:
PMID:  9600689     Owner:  NLM     Status:  MEDLINE    
In this work we measured both micronuclei number in kidney erythrocytes and fluctuating asymmetry in wild brown trout (Salmo trutta), caught in different fluvial ecosystems of Asturias (northern Spain) characterized by different levels of anthropic influence. Brown trout samples from rivers with high anthropic influence possessed significantly higher averages of both micronuclei and fluctuating asymmetry than brown trout samples from less anthropic-influenced rivers. These findings demonstrated the sensitivity of the micronucleus test in kidney erythrocytes to biomonitor freshwater ecosystems. The positive association found between micronuclei average and fluctuating asymmetry at the populational level suggests that fluctuating asymmetry tests could be potential indicators of environmental threat. Variation of fish asymmetry with ageing indicates that fluctuating asymmetry surveys of wild populations should be carried out in trouts of the same age class.
S Sánchez-Galán; A R Linde; J I Izquierdo; E García-Vázquez
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Mutation research     Volume:  412     ISSN:  0027-5107     ISO Abbreviation:  Mutat. Res.     Publication Date:  1998 Feb 
Date Detail:
Created Date:  1998-06-04     Completed Date:  1998-06-04     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0400763     Medline TA:  Mutat Res     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  219-25     Citation Subset:  IM    
Universidad de Oviedo, Departamento de Biología Funcional, Facultad de Medicina, Spain.
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MeSH Terms
Body Patterning*
Environmental Monitoring*
Erythrocytes / drug effects,  pathology
Fresh Water*
Kidney / blood supply
Micronuclei, Chromosome-Defective / pathology*
Micronucleus Tests / methods
Mutagens / analysis,  toxicity
Trout / genetics*
Water Pollutants, Chemical / analysis*,  toxicity
Reg. No./Substance:
0/Mutagens; 0/Water Pollutants, Chemical

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

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