Effects of cadmium on locomotor activity rhythms of the amphipod Gammarus aequicauda

Lloret, J.; Marín, A.; Sánche Vázquez, F. J.; Sánchez Morillo-Velarde, María Piedad

Publication:
Effects of cadmium on locomotor activity rhythms of the amphipod Gammarus aequicauda

dc.contributor.author	Lloret, J.
dc.contributor.author	Marín, A.
dc.contributor.author	Sánche Vázquez, F. J.
dc.contributor.author	Sánchez Morillo-Velarde, María Piedad
dc.contributor.department	Biología Celular e Histología
dc.date.accessioned	2025-01-23T13:04:28Z
dc.date.available	2025-01-23T13:04:28Z
dc.date.issued	2011-04
dc.description	© 2010 Springer Science + Business Media, LLC. This document is the Published version of a Published Work that appeared in final form in Archives of Environmental Contamination and Toxicology. To access the final edited and published work see https://doi.org/10.1007/s00244-010-9563-9	es
dc.description.abstract	Behavioural responses are linked to complex biochemical and physiologic changes and may act as sensitive indicators of the sublethal effects of pollutants. This article investigates changes in the locomotor activity rhythms of the amphipod Gammarus aequicauda exposed to cadmium (Cd) as a model to study the effect of pollutants on an ecologically important species. Under a 12:12 h light-to-dark cycle, G. aequicauda showed a strict nocturnal rhythm, with 90.2 ± 0.4% of their total daily activity occurring during the night. Under constant darkness, circadian rhythms persisted for 10 days, with a mean periodicity of 24.32 h, thus confirming endogenous control. Exposure to sublethal concentrations of Cd (0.16, 0.20, 0.24, and 0.28 mg l−1) did not change the nocturnal activity patterns of G. aequicauda, although their swimming activity during the night was significantly decreased by exposure to concentrations of 0.24 and 0.28 mg Cd l−1. In conclusion, locomotor activity bioassays using the amphipod G. aequicauda appeared to be a sensitive indicator of Cd contamination, and sensitivity and tolerance to Cd in short-term bioassays may depend on the time of the day tests are carried out. These results provide further support for the idea that behavioural end points in amphipods are useful indicators of pollutant exposure and that future studies should take circadian rhythms into consideration.	es
dc.format	application/pdf	es
dc.format.extent	8	es
dc.identifier.citation	Archives of Environmental Contamination and Toxicology, 2011, Vo. 60, pp. 444–451
dc.identifier.doi	https://doi.org/10.1007/s00244-010-9563-9
dc.identifier.issn	Print: 0090-4341
dc.identifier.issn	Electronic: 1432-0703
dc.identifier.uri	http://hdl.handle.net/10201/149154
dc.language	eng	es
dc.publisher	Springer	es
dc.relation	This work was funded by Instituto Euromediterráneo del Agua.	es
dc.relation.publisherversion	https://link.springer.com/article/10.1007/s00244-010-9563-9	es
dc.rights.accessRights	info:eu-repo/semantics/restrictedAccess
dc.subject	Locomotor activity	es
dc.subject	Circadian rhythm	es
dc.subject	Swimming activity	es
dc.subject	Locomotor rhythm	es
dc.subject	Locomotor activity rhythm	es
dc.title	Effects of cadmium on locomotor activity rhythms of the amphipod Gammarus aequicauda	es
dc.type	info:eu-repo/semantics/article	es
dspace.entity.type	Publication	es
relation.isAuthorOfPublication	fd48c5cc-66e7-4276-9164-fbd569f17ac7
relation.isAuthorOfPublication.latestForDiscovery	fd48c5cc-66e7-4276-9164-fbd569f17ac7