Liver histopathology and biochemical biomarkers in Gobius niger and Zosterisessor ophiocephalus from polluted and non-polluted Tunisian lagoons (Southern Mediterranean Sea)

Abstract : The aim of this study was to appraise the response of a multi-marker approach in fish species, Gobius niger and Zosterisessor ophiocephalus, in a polluted lagoon (Bizerte lagoon: MB and ML sites) and in a reference site (Ghar-El-Melh lagoon entrance) by the analysis of physiological indexes, liver histopathology and some biochemical biomarkers. The results showed liver hypertrophy in fish collected from Bizerte lagoon as well as many non-specific lesions, unlike the reference site. All Bizerte lagoon sites had the same prevalence of histopathological lesions, but the mean intensity (MI) of parasites seemed to be more sensible as an indicator of pollution levels. Indeed, parasite MI was more important in MB site that has a higher pollution level. Also, biochemical biomarkers showed an induction in Bizerte lagoon sites with some differences within sites and species. The impact of the continuous release of pollution on the biomarker's response is discussed.
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Submitted on : Friday, August 3, 2018 - 10:13:00 AM
Last modification on : Wednesday, March 27, 2019 - 10:59:30 AM

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Ibtissem Louiz, Olivier Palluel, Mossadok Ben-Attia, Selim Ait-Aissa, Oum Kalthoum Ben Hassine. Liver histopathology and biochemical biomarkers in Gobius niger and Zosterisessor ophiocephalus from polluted and non-polluted Tunisian lagoons (Southern Mediterranean Sea). Marine Pollution Bulletin, Elsevier, 2018, 128, pp.248-258. ⟨10.1016/j.marpolbul.2018.01.028⟩. ⟨ineris-01853323⟩

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