NickelMaghrebV1, Main, Exploration, bibRecord, 000114

Effects of thermal stress and nickel exposure on biomarkers responses in Mytilus galloprovincialis (Lam)

Identifieur interne : 000114 ( Main/Exploration ); précédent : 000113; suivant : 000115

Effects of thermal stress and nickel exposure on biomarkers responses in Mytilus galloprovincialis (Lam)

Auteurs : Hajer Attig [Tunisie] ; Naouel Kamel [Tunisie] ; Susanna Sforzini [Italie] ; Alessandro Dagnino [Italie] ; Jebali Jamel [Tunisie] ; Hamadi Boussetta [Tunisie] ; Aldo Viarengo [Italie] ; Mohamed Banni [Tunisie, Italie]

Source :

Marine environmental research [ 0141-1136 ] ; 2014.

RBID : Pascal:14-0057940

Descripteurs français

Pascal (Inist)
- Stress oxydatif, Nickel, Marqueur biologique, Chaleur, Changement global, Réchauffement, Changement climatique, Milieu marin, Mytilus galloprovincialis.
Wicri :
- topic : Nickel, Changement climatique, Milieu marin.

English descriptors

KwdEn :
- Biological marker, Climate change, Global change, Heat, Marine environment, Mytilus galloprovincialis, Nickel, Oxidative stress, Warming.

Abstract

The present work aimed to assess the Mytilus galloprovincialis digestive gland biomarkers responses to nickel (Ni) exposure along with a heat stress gradient. Mussels were exposed to a sublethal dose of nickel (13 μM) along with a temperature gradient (18 °C 20 °C, 22 °C, 24 °C and 26 °C) for 4 days. Metallothionein (MTs) content was assessed as specific response to metals. Catalase (CAT), glutathione S-transferase (GST) activities and malondialdehyde (MDA) were measured as biomarkers of oxidative stress and lipid peroxidation. The cholinergic system was monitored using the acetylcholinesterase activity (AChE). Moreover, Ni uptakes along with the exposure temperatures were assessed. A correlation matrix (CM) between the investigated biomarkers and the exposure temperatures and a Principal Component Analysis (PCA) were achieved. Our data showed a negative effect of temperature increase on mussel's antioxidant and detoxification response to Ni exposure being more pronounced in animals exposed to the 24 °C and 26 °C.

Affiliations:

Italie, Tunisie

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 000036
to stream PascalFrancis, to step Curation: 000405
to stream PascalFrancis, to step Checkpoint: 000028
to stream Main, to step Merge: 000115
to stream Main, to step Curation: 000114

Le document en format XML

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<front><div type="abstract" xml:lang="en">The present work aimed to assess the Mytilus galloprovincialis digestive gland biomarkers responses to nickel (Ni) exposure along with a heat stress gradient. Mussels were exposed to a sublethal dose of nickel (13 μM) along with a temperature gradient (18 °C 20 °C, 22 °C, 24 °C and 26 °C) for 4 days. Metallothionein (MTs) content was assessed as specific response to metals. Catalase (CAT), glutathione S-transferase (GST) activities and malondialdehyde (MDA) were measured as biomarkers of oxidative stress and lipid peroxidation. The cholinergic system was monitored using the acetylcholinesterase activity (AChE). Moreover, Ni uptakes along with the exposure temperatures were assessed. A correlation matrix (CM) between the investigated biomarkers and the exposure temperatures and a Principal Component Analysis (PCA) were achieved. Our data showed a negative effect of temperature increase on mussel's antioxidant and detoxification response to Ni exposure being more pronounced in animals exposed to the 24 °C and 26 °C.</div>
</front>
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	Serveur d'exploration sur le nickel au Maghreb
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Serveur d'exploration sur le nickel au Maghreb

Effects of thermal stress and nickel exposure on biomarkers responses in Mytilus galloprovincialis (Lam)

Effects of thermal stress and nickel exposure on biomarkers responses in Mytilus galloprovincialis (Lam)

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri