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Within the scenarios of global change, it is important to understand how environmental disturbances, namely, metal pollution, can affect this microbiota. The aim of this study is to recognize core bacteria in the skin cultivable microbiota of the Perez frog (Pelophylax perezi) that are preserved regardless of the environmental conditions in which the frogs live. The characterization of these isolates revealed characteristics that can support their contributions to the ability of frogs to use metal impacted environments. Frog\u2019s skin swabs were collected from P. perezi populations that inhabit a metal-polluted site and three reference (non-metal polluted) sites. Bacterial strains were isolated, identified, and subjected to an acid mine drainage tolerance (AMD) test, collected upstream from a site heavily contaminated with metals, and tested to produce extracellular polymeric substances (exopolysaccharide, EPS). All frog populations had Acinetobacter in their cutaneous cultivable microbiota. Significant growth inhibition was observed in all bacterial isolates exposed to 75% of AMD. EPS production was considered a characteristic of several isolates. The data obtained is a preliminary step but crucial to sustain that the cultivable microbiota is a mechanism for protecting frogs against environmental contamination.<\/jats:p>","DOI":"10.3390\/ijerph18052585","type":"journal-article","created":{"date-parts":[[2021,3,5]],"date-time":"2021-03-05T01:59:28Z","timestamp":1614909568000},"page":"2585","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Characterization of the Skin Cultivable Microbiota Composition of the Frog Pelophylax perezi Inhabiting Different Environments"],"prefix":"10.3390","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1284-9082","authenticated-orcid":false,"given":"Diogo Neves","family":"Proen\u00e7a","sequence":"first","affiliation":[{"name":"Department of Life Sciences and Centre for Mechanical Engineering, Materials and Processes, University of Coimbra, Cal\u00e7ada Martim de Freitas, 3000-456 Coimbra, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7851-3602","authenticated-orcid":false,"given":"Emanuele","family":"Fasola","sequence":"additional","affiliation":[{"name":"CESAM and Department of Biology, University of Aveiro, 3810-005 Aveiro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9325-0329","authenticated-orcid":false,"given":"Isabel","family":"Lopes","sequence":"additional","affiliation":[{"name":"CESAM and Department of Biology, University of Aveiro, 3810-005 Aveiro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1939-6389","authenticated-orcid":false,"given":"Paula V.","family":"Morais","sequence":"additional","affiliation":[{"name":"Department of Life Sciences and Centre for Mechanical Engineering, Materials and Processes, University of Coimbra, Cal\u00e7ada Martim de Freitas, 3000-456 Coimbra, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2021,3,5]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1","DOI":"10.3389\/fmicb.2015.01171","article-title":"Panamanian frog species host unique skin bacterial communities","volume":"6","author":"Belden","year":"2015","journal-title":"Front. 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