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Is there a link between acetylcholinesterase, behaviour and density populations of the ragworm Hediste diversicolor?
Abstract : The main objective of the present study was to explore the potential link between acetylcholinesterase (AChE) activity and burrowing behaviour of the ragworm Hediste diversicolor, which may have consequences at higher levels of biological organisation. Two complementary studies were conducted. AChE activity, at the sub-individual level, and behavioural responses, at the individual level, were evaluated in worms from the Loire estuary (France), whereas density and biomass of H. diversicolor were determined at the population level. A Spearman positive correlation between both biomarkers (AChE and burrowing) suggested that inhibition of AChE activity was linked to behaviour impairments. At the population level, lower AChE and behaviour activities were detected in worms corresponding to lower population density and biomass. These results provide direct empirical field evidence demonstrating the sensitivity of behaviour of H. diversicolor as a biomonitor of estuarine health status assessment.Copyright © 2019 Elsevier Ltd. All rights reserved.
https://hal.univ-angers.fr/hal-02510702
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Soumis le : vendredi 22 octobre 2021 - 15:46:41
Dernière modification le : mercredi 27 avril 2022 - 04:28:35
Archivage à long terme le : : lundi 24 janvier 2022 - 16:58:04
Contributeur : Accord Elsevier Ccsd Connectez-vous pour contacter le contributeur
Soumis le : vendredi 22 octobre 2021 - 15:46:41
Dernière modification le : mercredi 27 avril 2022 - 04:28:35
Archivage à long terme le : : lundi 24 janvier 2022 - 16:58:04
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