NDLI: Acetylcholinesterase and metallothionein in oysters (Crassostrea corteziensis) from a subtropical Mexican Pacific estuary.

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Acetylcholinesterase and metallothionein in oysters (Crassostrea corteziensis) from a subtropical Mexican Pacific estuary.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Bernal-Hernández, Y. Y. Medina-Díaz, I. M. Robledo-Marenco, M. L. Velázquez-Fernández, J. B. Girón-Pérez, M. I. Ortega-Cervantes, L. Maldonado-Vázquez, W. A. Rojas-García, A. E.
Spatial Coverage	Mexico Pacific Ocean
Description	Country affiliation: Mexico Author Affiliation: Bernal-Hernández YY ( Posgrado en Ciencias Biológico Agropecuarias y Pesqueras, Unidad Académica de Agricultura, Xalisco, Nayarit, Mexico.)
Abstract	Substantial efforts have been devoted to developing and applying biomarkers for ecological risk assessment. Bivalve mollusks, such as mussels and oysters, are commonly used in environmental monitoring programs because of their wide geographical distribution, great sensitivity to environmental pollutants, and ability to accumulate anthropogenically derived chemicals at a high rate. Acetylcholinesterase (AChE) activity and metallothionein (MT's) content are representative specific biomarkers that indicate the presence of anticholinesterasic compounds (like organophosphorus and carbamate pesticides) and metals, respectively. The aim of this study was to evaluate AChE activity and MT's content in Crassostrea corteziensis from Boca de Camichín estuary. The results obtained here showed that AChE activity was 65% lower in oysters from Boca de Camichín than in control organisms. In contrast, MT's content in collected organisms was not statistically different from that in control organisms. AChE activity and MT's content in oysters could be used as early biomarkers of effects and exposure to pesticides and heavy metals, respectively, in aquatic environments.
File Format	HTM / HTML
ISSN	09639292
Issue Number	4
Volume Number	19
e-ISSN	15733017
Journal	Ecotoxicology
Language	English
Publisher	Springer
Publisher Date	2010-04-01
Publisher Place	United States
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Ecology Discipline Environmental Health Discipline Toxicology Acetylcholinesterase Metabolism Crassostrea Drug Effects Environmental Monitoring Methods Gills Metallothionein Water Pollutants, Chemical Toxicity Animals Biological Markers Enzymology Mexico Pacific Ocean Risk Assessment Seawater Chemistry Analysis Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Health, Toxicology and Mutagenesis Medicine Toxicology Management, Monitoring, Policy and Law

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Acetylcholinesterase and metallothionein in oysters (Crassostrea corteziensis) from a subtropical Mexican Pacific estuary

Biokinetics and metallothionein-like proteins response in oysters facing metal challenges in an estuary.

Seasonal variation of pollution biomarkers to assess the impact on the health status of juvenile Pacific oysters Crassostrea gigas exposed in situ.

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Mercury in Cultured Oysters (Crassostrea gigas Thunberg, 1793 and C. corteziensis Hertlein, 1951) from Four Coastal Lagoons of the SE Gulf of California, Mexico

Antioxidant deficit in gills of Pacific oyster (Crassostrea gigas) exposed to chlorodinitrobenzene increases menadione toxicity.

Biochemical responses in the gills of Meretrix meretrix after exposure to treated municipal effluent.

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Acetylcholinesterase and metallothionein in oysters (Crassostrea corteziensis) from a subtropical Mexican Pacific estuary.

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Acetylcholinesterase and metallothionein in oysters (Crassostrea corteziensis) from a subtropical Mexican Pacific estuary.