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Adaptive response under multiple stress exposure in fish: From the molecular to individual level.

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Title: Adaptive response under multiple stress exposure in fish: From the molecular to individual level.
Authors: Gandar, Allison1, Laffaille, Pascal1, Perrault, Annie1, Jean, Séverine1, Canlet, Cécile2, Tremblay-Franco, Marie2, Gautier, Roselyne2, Gress, Laure3, Mormède, Pierre3, Tapie, Nathalie4, Budzinski, Hélène4
Source: Chemosphere. Dec2017, Vol. 188, p60-72. 13p.
Subjects: Goldfish, Isoproturon, Pendimethalin, Tebuconazole, Metabolomics
Abstract: Aquatic systems are subjected to various sources of stress due to global changes, such as increasing temperature and pollution. A major challenge for the next decade will be to evaluate the combined effects of these multiple stressors on organisms and ecosystems. For organisms submitted to chemical, biological or physical stressors, the capacity to set up an efficient adaptive response is a fundamental prerequisite for their long-term survival and performance. In this study, goldfish ( Carassius auratus ) were subjected to individual and combined pesticide mixtures and increased temperatures to evaluate their adaptive response in multistress conditions from the molecular to the individual level. Fish were exposed for 16 days to a mixture of pesticides at environmental relevant concentrations (S-metolachlor, isoproturon, linuron, atrazine-desethyl, aclonifen, pendimethalin and tebuconazole) and at two temperatures (22 °C and 32 °C). Three major physiological traits of the stress response were measured: the hormonal response (i.e. plasma cortisol), the metabolic balance from molecular to individuals' levels (metabolomics, cellular energy allocation, energy reserves and global condition indexes), and the cellular defense system induction (SOD, CAT and GST). Results show that (1) environmentally relevant concentrations of pesticides lead to significant responses in fish at all biological levels; (2) the metabolic response depends on the nature of stress (thermal vs. chemical); and (3) fish may be unable to set up an efficient adaptive response when chemical and thermal stresses were combined, with adverse outcomes at the individuals’ level. [ABSTRACT FROM AUTHOR]
Copyright of Chemosphere is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 125447371
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Adaptive response under multiple stress exposure in fish: From the molecular to individual level.
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  Data: <searchLink fieldCode="JN" term="%22Chemosphere%22">Chemosphere</searchLink>. Dec2017, Vol. 188, p60-72. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Goldfish%22">Goldfish</searchLink><br /><searchLink fieldCode="DE" term="%22Isoproturon%22">Isoproturon</searchLink><br /><searchLink fieldCode="DE" term="%22Pendimethalin%22">Pendimethalin</searchLink><br /><searchLink fieldCode="DE" term="%22Tebuconazole%22">Tebuconazole</searchLink><br /><searchLink fieldCode="DE" term="%22Metabolomics%22">Metabolomics</searchLink>
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  Data: Aquatic systems are subjected to various sources of stress due to global changes, such as increasing temperature and pollution. A major challenge for the next decade will be to evaluate the combined effects of these multiple stressors on organisms and ecosystems. For organisms submitted to chemical, biological or physical stressors, the capacity to set up an efficient adaptive response is a fundamental prerequisite for their long-term survival and performance. In this study, goldfish ( Carassius auratus ) were subjected to individual and combined pesticide mixtures and increased temperatures to evaluate their adaptive response in multistress conditions from the molecular to the individual level. Fish were exposed for 16 days to a mixture of pesticides at environmental relevant concentrations (S-metolachlor, isoproturon, linuron, atrazine-desethyl, aclonifen, pendimethalin and tebuconazole) and at two temperatures (22 °C and 32 °C). Three major physiological traits of the stress response were measured: the hormonal response (i.e. plasma cortisol), the metabolic balance from molecular to individuals' levels (metabolomics, cellular energy allocation, energy reserves and global condition indexes), and the cellular defense system induction (SOD, CAT and GST). Results show that (1) environmentally relevant concentrations of pesticides lead to significant responses in fish at all biological levels; (2) the metabolic response depends on the nature of stress (thermal vs. chemical); and (3) fish may be unable to set up an efficient adaptive response when chemical and thermal stresses were combined, with adverse outcomes at the individuals’ level. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Chemosphere is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.chemosphere.2017.08.089
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      – Code: eng
        Text: English
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        PageCount: 13
        StartPage: 60
    Subjects:
      – SubjectFull: Goldfish
        Type: general
      – SubjectFull: Isoproturon
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      – SubjectFull: Pendimethalin
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      – SubjectFull: Tebuconazole
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      – SubjectFull: Metabolomics
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      – TitleFull: Adaptive response under multiple stress exposure in fish: From the molecular to individual level.
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              M: 12
              Text: Dec2017
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