title: Metabolic signatures associated with environmental pollution by metals in Doñana National Park using P. clarkii as bioindicator.
abstract: Bioindicators can reflect the effects of pollutants on their metabolism, being widely used to assess environmental stress. In this sense, the crab Procambarus clarkii has been previously proposed to monitor the contamination in Doñana National Park (southwest Spain) using conventional biomarkers. In this work, a metabolomic approach based on direct infusion mass spectrometry, which allows an easy and quick study of a large number of metabolites in a single run, was used for pollution assessment of this area, considering the biological response of this organism to contamination. In addition, metal accumulation in crab tissues was determined. Thus, the integrated analysis of metabolomic and metallomic data enabled the study of metabolic response of the organism against pollution. Several metabolites were discovered as potential biomarkers of pollution, such as decreased levels of carnosine, alanine, niacinamide, acetoacetate, pantothenic acid, ascorbate, glucose-6-phosphate, arginine, glucose, lactate, phospholipids, and tryglicerides, as well as elevated levels of acetyl carnitine, phosphocholine, choline, and uric acid. In this way, metal-induced toxicity could be related to metabolic impairments, principally oxidative stress, metabolic dysfunction, and dyslipidemia.
authors.affiliation: Department of Chemistry and Material Science, Faculty of Experimental Sciences, University of Huelva, Campus de El Carmen, 21007, Huelva, Spain.
authors.forename: Amanda
authors.initials: A
authors.lastname: Gago-Tinoco
authors.forename: Raúl
authors.initials: R
authors.lastname: González-Domínguez
authors.forename: Tamara
authors.initials: T
authors.lastname: García-Barrera
authors.forename: Julián
authors.initials: J
authors.lastname: Blasco-Moreno
authors.forename: M J
authors.initials: MJ
authors.lastname: Bebianno
authors.forename: José-Luis
authors.initials: JL
authors.lastname: Gómez-Ariza
mesh_terms: D000818:Animals; D015415:Biomarkers / Q000378:metabolism; D033364:Decapoda / Q000737:chemistry / Q000187:drug effects* / Q000378:metabolism; D004784:Environmental Monitoring / Q000379:methods*; D004785:Environmental Pollutants / Q000032:analysis / Q000633:toxicity*; D004787:Environmental Pollution / Q000032:analysis; D000075322:Heavy Metal Poisoning; D008297:Male; D013058:Mass Spectrometry; D055432:Metabolomics; D008670:Metals / Q000032:analysis; D019216:Metals, Heavy / Q000032:analysis / Q000378:metabolism / Q000633:toxicity*; D011041:Poisoning / Q000378:metabolism / Q000662:veterinary; D013030:Spain
chemical_list: D015415:Biomarkers; D004785:Environmental Pollutants; D008670:Metals; D019216:Metals, Heavy
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