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¹ Sinop University, Department of Biology, Sinop, Turkey
² Ondokuz Mayıs University, Department of Biology, Samsun, Turkey DOI : 10.4194/1303-2712-v21_10_04 Viewed : 2163 - Downloaded : 1571 Padina is a brown algal genus widely distributed in warm-temperate and tropical regions. Species-level identification of specimens is often difficult due to intraspecific and interspecific morphological plasticity. This study reveals the results of the phylogenetic relationships of specimens, by analyzing the cytochrome oxidase subunit 3 (Cox3) and RuBisCO large subunit (rbcL) gene sequences. A total of 144 new sequences were analyzed together with other Padina sequences obtained from GenBank. Phylogenetic inference identified one well-resolved clade. All of these analyses showed that this genus has only one species in the Black Sea. This is the first study on the molecular diagnosis of macroalgae in the Black Sea, and it contains the first molecular records of Padina in the Black Sea Region. Keywords : Padina, Black Sea, Taxonomy, rbcL, cox3