Molecular phylogeny and genetic diversity of three dentate species of the genus Dictyota (Dictyotales, Phaeophyceae) from the Caribbean Sea, with emphasis on the Colombian Islands and Saint Kitts
Corrales, M.B.; Gavio, B.; Beltran-Rozo, T.; D'hondt, S.; Dueñas, L.F.; De Clerck, O. (2025). Molecular phylogeny and genetic diversity of three dentate species of the genus Dictyota (Dictyotales, Phaeophyceae) from the Caribbean Sea, with emphasis on the Colombian Islands and Saint Kitts. Bot. Mar. 68(6): 561-575. https://dx.doi.org/10.1515/bot-2025-0046
In: Botanica Marina. Walter de Gruyter & Co: Berlin; New York. ISSN 0006-8055; e-ISSN 1437-4323, more
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| Author keywords |
Dictyota ciliolata;Dictyota canariensis;Dictyota jamaicensis;molecular phylogenetics;genetic structure;performance;taxonomy;coast |
| Authors | | Top |
- Corrales, M.B.
- Gavio, B.
- Beltran-Rozo, T.
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| Abstract |
Species of Dictyota with dentate margins exhibit notable diversity and a broad distribution across the Greater Caribbean. Oceanic islands such as Saint Kitts (Lesser Antilles) and the Archipelago of San Andr & eacute;s (Colombia) play a key role in expanding our understanding of these taxa. In this study, we report Dictyota canariensis as a new record for both countries and confirm the presence of Dictyota ciliolata and Dictyota jamaicensis using molecular and morphological evidence. Phylogenetic analyses based on psbA and cox1 sequences support the identity of these species, and the cox1 haplotype network reveals some geographic structure. Overall, our findings underscore the value of molecular data in addressing taxonomic complexity and highlight the importance of oceanic islands in shaping the regional diversity of dentate Dictyota species in the Caribbean basin. |
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