Effects of Cadmium on Locomotor Activity Rhythms of the Amphipod Gammarus aequicauda
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 mo...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Morillo-Velarde, P. S. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2010 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Science+Business Media, LLC 2010 |
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| Übergeordnetes Werk: |
Enthalten in: Archives of environmental contamination and toxicology - Springer-Verlag, 1973, 60(2010), 3 vom: 06. Juli, Seite 444-451 |
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| Übergeordnetes Werk: |
volume:60 ; year:2010 ; number:3 ; day:06 ; month:07 ; pages:444-451 |
| Links: |
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| DOI / URN: |
10.1007/s00244-010-9563-9 |
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OLC2070715361 |
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| 520 | |a 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. | ||
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10.1007/s00244-010-9563-9 doi (DE-627)OLC2070715361 (DE-He213)s00244-010-9563-9-p DE-627 ger DE-627 rakwb eng 333.7 610 VZ Morillo-Velarde, P. S. verfasserin aut Effects of Cadmium on Locomotor Activity Rhythms of the Amphipod Gammarus aequicauda 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2010 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. Locomotor Activity Circadian Rhythm Swimming Activity Locomotor Rhythm Locomotor Activity Rhythm Lloret, J. aut Marín, A. aut Sánchez-Vázquez, F. J. aut Enthalten in Archives of environmental contamination and toxicology Springer-Verlag, 1973 60(2010), 3 vom: 06. Juli, Seite 444-451 (DE-627)129397725 (DE-600)185986-9 (DE-576)01478100X 0090-4341 nnns volume:60 year:2010 number:3 day:06 month:07 pages:444-451 https://doi.org/10.1007/s00244-010-9563-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW GBV_ILN_21 GBV_ILN_31 GBV_ILN_70 GBV_ILN_130 GBV_ILN_2003 GBV_ILN_2006 GBV_ILN_2018 GBV_ILN_4012 GBV_ILN_4112 GBV_ILN_4219 GBV_ILN_4277 AR 60 2010 3 06 07 444-451 |
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10.1007/s00244-010-9563-9 doi (DE-627)OLC2070715361 (DE-He213)s00244-010-9563-9-p DE-627 ger DE-627 rakwb eng 333.7 610 VZ Morillo-Velarde, P. S. verfasserin aut Effects of Cadmium on Locomotor Activity Rhythms of the Amphipod Gammarus aequicauda 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2010 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. Locomotor Activity Circadian Rhythm Swimming Activity Locomotor Rhythm Locomotor Activity Rhythm Lloret, J. aut Marín, A. aut Sánchez-Vázquez, F. J. aut Enthalten in Archives of environmental contamination and toxicology Springer-Verlag, 1973 60(2010), 3 vom: 06. Juli, Seite 444-451 (DE-627)129397725 (DE-600)185986-9 (DE-576)01478100X 0090-4341 nnns volume:60 year:2010 number:3 day:06 month:07 pages:444-451 https://doi.org/10.1007/s00244-010-9563-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW GBV_ILN_21 GBV_ILN_31 GBV_ILN_70 GBV_ILN_130 GBV_ILN_2003 GBV_ILN_2006 GBV_ILN_2018 GBV_ILN_4012 GBV_ILN_4112 GBV_ILN_4219 GBV_ILN_4277 AR 60 2010 3 06 07 444-451 |
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10.1007/s00244-010-9563-9 doi (DE-627)OLC2070715361 (DE-He213)s00244-010-9563-9-p DE-627 ger DE-627 rakwb eng 333.7 610 VZ Morillo-Velarde, P. S. verfasserin aut Effects of Cadmium on Locomotor Activity Rhythms of the Amphipod Gammarus aequicauda 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2010 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. Locomotor Activity Circadian Rhythm Swimming Activity Locomotor Rhythm Locomotor Activity Rhythm Lloret, J. aut Marín, A. aut Sánchez-Vázquez, F. J. aut Enthalten in Archives of environmental contamination and toxicology Springer-Verlag, 1973 60(2010), 3 vom: 06. Juli, Seite 444-451 (DE-627)129397725 (DE-600)185986-9 (DE-576)01478100X 0090-4341 nnns volume:60 year:2010 number:3 day:06 month:07 pages:444-451 https://doi.org/10.1007/s00244-010-9563-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW GBV_ILN_21 GBV_ILN_31 GBV_ILN_70 GBV_ILN_130 GBV_ILN_2003 GBV_ILN_2006 GBV_ILN_2018 GBV_ILN_4012 GBV_ILN_4112 GBV_ILN_4219 GBV_ILN_4277 AR 60 2010 3 06 07 444-451 |
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10.1007/s00244-010-9563-9 doi (DE-627)OLC2070715361 (DE-He213)s00244-010-9563-9-p DE-627 ger DE-627 rakwb eng 333.7 610 VZ Morillo-Velarde, P. S. verfasserin aut Effects of Cadmium on Locomotor Activity Rhythms of the Amphipod Gammarus aequicauda 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2010 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. Locomotor Activity Circadian Rhythm Swimming Activity Locomotor Rhythm Locomotor Activity Rhythm Lloret, J. aut Marín, A. aut Sánchez-Vázquez, F. J. aut Enthalten in Archives of environmental contamination and toxicology Springer-Verlag, 1973 60(2010), 3 vom: 06. Juli, Seite 444-451 (DE-627)129397725 (DE-600)185986-9 (DE-576)01478100X 0090-4341 nnns volume:60 year:2010 number:3 day:06 month:07 pages:444-451 https://doi.org/10.1007/s00244-010-9563-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW GBV_ILN_21 GBV_ILN_31 GBV_ILN_70 GBV_ILN_130 GBV_ILN_2003 GBV_ILN_2006 GBV_ILN_2018 GBV_ILN_4012 GBV_ILN_4112 GBV_ILN_4219 GBV_ILN_4277 AR 60 2010 3 06 07 444-451 |
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10.1007/s00244-010-9563-9 doi (DE-627)OLC2070715361 (DE-He213)s00244-010-9563-9-p DE-627 ger DE-627 rakwb eng 333.7 610 VZ Morillo-Velarde, P. S. verfasserin aut Effects of Cadmium on Locomotor Activity Rhythms of the Amphipod Gammarus aequicauda 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2010 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. Locomotor Activity Circadian Rhythm Swimming Activity Locomotor Rhythm Locomotor Activity Rhythm Lloret, J. aut Marín, A. aut Sánchez-Vázquez, F. J. aut Enthalten in Archives of environmental contamination and toxicology Springer-Verlag, 1973 60(2010), 3 vom: 06. Juli, Seite 444-451 (DE-627)129397725 (DE-600)185986-9 (DE-576)01478100X 0090-4341 nnns volume:60 year:2010 number:3 day:06 month:07 pages:444-451 https://doi.org/10.1007/s00244-010-9563-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW GBV_ILN_21 GBV_ILN_31 GBV_ILN_70 GBV_ILN_130 GBV_ILN_2003 GBV_ILN_2006 GBV_ILN_2018 GBV_ILN_4012 GBV_ILN_4112 GBV_ILN_4219 GBV_ILN_4277 AR 60 2010 3 06 07 444-451 |
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effects of cadmium on locomotor activity rhythms of the amphipod gammarus aequicauda |
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Effects of Cadmium on Locomotor Activity Rhythms of the Amphipod Gammarus aequicauda |
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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. © Springer Science+Business Media, LLC 2010 |
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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. © Springer Science+Business Media, LLC 2010 |
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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. © Springer Science+Business Media, LLC 2010 |
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