First molecular record of the alien species Pacific oyster (Crassostrea gigas, Thunberg 1793) in the Marmara Sea, Turkey

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dc.contributor.authorGökçek, Emel Özcan
dc.contributor.authorAcarlı, Sefa
dc.contributor.authorKarahan, Bilge
dc.contributor.authorVural, Pervin
dc.contributor.authorBaştanlar, Evren Koban
dc.date.accessioned2021-05-03T21:13:43Z
dc.date.available2021-05-03T21:13:43Z
dc.date.issued2020
dc.departmentEge Üniversitesien_US
dc.description.abstractThe Pacific oyster (Crassostrea gigas) has a very important economic potential for aquaculture, but on the other hand, is among the highly invasive species in the world and within the Mediterranean ecosystem. In the 1960s, C. gigas was brought to Europe for aquaculture in the Mediterranean and Black Sea regions from Japan and Canada. The Turkish waters are the part of the Mediterranean Sea, which is the world’s most invaded sea. The invasion of alien species results from marine transportation and aquaculture activities of non-native species. A heavy maritime traffic is also present in the Marmara Sea, which connects the Black Sea and Mediterranean Sea. The identification of the invasive species and their distributions is very prominent in terms of protecting natural habitat and monitoring the effects of invasive species. In this study, 30 individuals, morphologically identified as C. gigas, were collected from Bandırma bay. The genomic DNAs were extracted from each sample’s muscle tissue using universal salt extraction method. Partial sequences of COI and 16S Mitochondrial DNA loci of the sample DNAs were obtained for species identification. The sequences were searched against the database and results were retrieved from BLAST. All the sequences obtained in this study showed significant similarity with the C. gigas sequences present in the database (E=0). The sample sequences resulted in 9 different haplotypes for the COI locus (hd: 0.5296 and variance: 0.01256±0.112) and 5 different haplotypes for the 16S rDNA locus (hd: 0.2529, Variance: 0.01076±0.104). The results of this study provided the first molecular evidence for the presence of non-native Pacific oyster individuals in the Marmara Sea.en_US
dc.identifier.doi10.33714/masteb.668529
dc.identifier.endpage31en_US
dc.identifier.issn2147-9666
dc.identifier.issue1en_US
dc.identifier.startpage23en_US
dc.identifier.trdizinid399874en_US
dc.identifier.urihttps://doi.org/10.33714/masteb.668529
dc.identifier.urihttps://hdl.handle.net/11454/71601
dc.identifier.urihttps://search.trdizin.gov.tr/yayin/detay/399874
dc.identifier.volume9en_US
dc.indekslendigikaynakTR-Dizinen_US
dc.language.isoenen_US
dc.relation.ispartofMarine Science and Technology Bulletinen_US
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subject[No Keywords]en_US
dc.titleFirst molecular record of the alien species Pacific oyster (Crassostrea gigas, Thunberg 1793) in the Marmara Sea, Turkeyen_US
dc.typeArticleen_US

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