Integrated Use of Biomarkers (O : N Ratio and Acetylcholinesterase Inhibition) on Aulacomya ater (Molina, 1782) (Bivalvia: Mytilidae) as a Criteria for Effects of Organophosphate Pesticide Exposition
The effect of residual concentrations of organophosphate pesticide chlorpyrifos (Lorsban 4E) on the activity of the acetylcholinesterase enzyme and oxygen : nitrogen ratio in the mussel Aulacomya ater was analyzed. Toxicity tests show a sensitivity to the pesticide in the bivalve estimated at 16 μg...
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| Format: | Article |
| Language: | English |
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Wiley
2012-01-01
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| Series: | Journal of Toxicology |
| Online Access: | http://dx.doi.org/10.1155/2012/951568 |
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| author | Eduardo Führer Anny Rudolph Claudio Espinoza Rodrigo Díaz Marisol Gajardo Nuria Camaño |
| author_facet | Eduardo Führer Anny Rudolph Claudio Espinoza Rodrigo Díaz Marisol Gajardo Nuria Camaño |
| author_sort | Eduardo Führer |
| collection | DOAJ |
| description | The effect of residual concentrations of organophosphate pesticide chlorpyrifos (Lorsban 4E) on the activity of the acetylcholinesterase enzyme and oxygen : nitrogen ratio in the mussel Aulacomya ater was analyzed. Toxicity tests show a sensitivity to the pesticide in the bivalve estimated at 16 μg L-1 (LC50-96 hours). Concentrations between 0.2 and 1.61 μg L-1 were able to inhibit significantly the AChE activity, and concentrations between 0.8 and 1.61 μg L-1 stimulate ammonia excretion and decrease oxygen : ammonia-N (O : N) ratio, with respect to the control group. A. ater proved to be a species sensitive to pesticide exposure and easy to handle in lab conditions. Thus, it is recommended as a bioindicator for use in programs of environmental alertness in the Eastern South Pacific coastal zone. |
| format | Article |
| id | doaj-art-d6b33ee8d9724637b6d27fbdde107b65 |
| institution | DOAJ |
| issn | 1687-8191 1687-8205 |
| language | English |
| publishDate | 2012-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Toxicology |
| spelling | doaj-art-d6b33ee8d9724637b6d27fbdde107b652025-08-20T03:23:39ZengWileyJournal of Toxicology1687-81911687-82052012-01-01201210.1155/2012/951568951568Integrated Use of Biomarkers (O : N Ratio and Acetylcholinesterase Inhibition) on Aulacomya ater (Molina, 1782) (Bivalvia: Mytilidae) as a Criteria for Effects of Organophosphate Pesticide ExpositionEduardo Führer0Anny Rudolph1Claudio Espinoza2Rodrigo Díaz3Marisol Gajardo4Nuria Camaño5Centro Regional de Estudios Ambientales (CREA), Universidad Católica de la Santísima Concepción, P.O. Box 297, Concepción, ChileDepartamento de Química Ambiental, Facultad de Ciencias, Universidad Católica de la Santísima Concepción, Concepción 4090541, ChileCentro Regional de Estudios Ambientales (CREA), Universidad Católica de la Santísima Concepción, P.O. Box 297, Concepción, ChileCentro Regional de Estudios Ambientales (CREA), Universidad Católica de la Santísima Concepción, P.O. Box 297, Concepción, ChileCentro Regional de Estudios Ambientales (CREA), Universidad Católica de la Santísima Concepción, P.O. Box 297, Concepción, ChileCentro Regional de Estudios Ambientales (CREA), Universidad Católica de la Santísima Concepción, P.O. Box 297, Concepción, ChileThe effect of residual concentrations of organophosphate pesticide chlorpyrifos (Lorsban 4E) on the activity of the acetylcholinesterase enzyme and oxygen : nitrogen ratio in the mussel Aulacomya ater was analyzed. Toxicity tests show a sensitivity to the pesticide in the bivalve estimated at 16 μg L-1 (LC50-96 hours). Concentrations between 0.2 and 1.61 μg L-1 were able to inhibit significantly the AChE activity, and concentrations between 0.8 and 1.61 μg L-1 stimulate ammonia excretion and decrease oxygen : ammonia-N (O : N) ratio, with respect to the control group. A. ater proved to be a species sensitive to pesticide exposure and easy to handle in lab conditions. Thus, it is recommended as a bioindicator for use in programs of environmental alertness in the Eastern South Pacific coastal zone.http://dx.doi.org/10.1155/2012/951568 |
| spellingShingle | Eduardo Führer Anny Rudolph Claudio Espinoza Rodrigo Díaz Marisol Gajardo Nuria Camaño Integrated Use of Biomarkers (O : N Ratio and Acetylcholinesterase Inhibition) on Aulacomya ater (Molina, 1782) (Bivalvia: Mytilidae) as a Criteria for Effects of Organophosphate Pesticide Exposition Journal of Toxicology |
| title | Integrated Use of Biomarkers (O : N Ratio and Acetylcholinesterase Inhibition) on Aulacomya ater (Molina, 1782) (Bivalvia: Mytilidae) as a Criteria for Effects of Organophosphate Pesticide Exposition |
| title_full | Integrated Use of Biomarkers (O : N Ratio and Acetylcholinesterase Inhibition) on Aulacomya ater (Molina, 1782) (Bivalvia: Mytilidae) as a Criteria for Effects of Organophosphate Pesticide Exposition |
| title_fullStr | Integrated Use of Biomarkers (O : N Ratio and Acetylcholinesterase Inhibition) on Aulacomya ater (Molina, 1782) (Bivalvia: Mytilidae) as a Criteria for Effects of Organophosphate Pesticide Exposition |
| title_full_unstemmed | Integrated Use of Biomarkers (O : N Ratio and Acetylcholinesterase Inhibition) on Aulacomya ater (Molina, 1782) (Bivalvia: Mytilidae) as a Criteria for Effects of Organophosphate Pesticide Exposition |
| title_short | Integrated Use of Biomarkers (O : N Ratio and Acetylcholinesterase Inhibition) on Aulacomya ater (Molina, 1782) (Bivalvia: Mytilidae) as a Criteria for Effects of Organophosphate Pesticide Exposition |
| title_sort | integrated use of biomarkers o n ratio and acetylcholinesterase inhibition on aulacomya ater molina 1782 bivalvia mytilidae as a criteria for effects of organophosphate pesticide exposition |
| url | http://dx.doi.org/10.1155/2012/951568 |
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