Impact of environmental micropollutants and diet composition on the gut microbiota of wild european eels (Anguilla anguilla)
Environmental Pollution(2022)
Abstract
In fish, the gut microbiome plays a crucial role in homeostasis and health and is affected by several organic and inorganic environmental contaminants. Amphidromous fish are sentinel species, particularly exposed to these stressors. We used whole metagenome sequencing to characterize the gut microbiome of wild European eels (Anguilla anguilla) at a juvenile stage captured from three sites with contrasted pollution levels in term of heavy metals and persistent organic pollutants. The objectives were to identify what parameters could alter the gut microbiome of this catadromous fish and to explore the potential use of microbiota as bioindicators of environment quality.
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Key words
European eel,Gut microbiome,Heavy metals,Persistent organic pollutants,Diet
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