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Phylogenetic Relatedness within the Internally Brooding Sea Anemones from the Arctic-Boreal Region by Kaliszewicz, Anita (author);Panteleeva, Ninel (author);Żmuda-Baranowska, Magdalena (author);Szawaryn, Karol (author);Olejniczak, Izabella (author);Boniecki, Paweł (author);Grebelnyi, Sergey D. (author);Kabzińska, Dagmara (author);Romanowski, Jerzy (author);Maciaszek, Rafał (author);Górska, Ewa B. (author);Zawadzka-Sieradzka, Joanna (author) is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

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Phylogenetic analyses based on mitochondrial 16S rDNA, nuclear 28S rDNA, and morphological and ecological traits of Aulactinia, Urticina and Cribrinopsis sea anemones inhabiting the Arctic-boreal region indicate discordances between trees derived from molecular sequences and those based on morphological traits. Nuclear genes were more informative than mitochondrial and morphological datasets. Our findings indicate that 16S rDNA has limited applicability for phylogenetic analyses at lower taxonomic levels and can only be used for distinction of families. Although 28S rDNA allowed for the classification of distinct genera, it could not confirm that species of Urticina and Cribrinopsis, which appeared to be closely related, were correctly separated into two different genera. The nuclear tree revealed inconsistencies between specimens belonging to European Urticina crassicornis and Pacific U. crassicornis; the latter seems to be a different species. In contrast to Pacific U. crassicornis, the specimens collected from different localities in the Barents Sea are on the same tree branch. The same was observed for specimens of Aulactinia stella. Both species brood their young internally. T

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Author

Kaliszewicz, Anita (author);Panteleeva, Ninel (author);Żmuda-Baranowska, Magdalena (author);Szawaryn, Karol (author);Olejniczak, Izabella (author);Boniecki, Paweł (author);Grebelnyi, Sergey D. (author);Kabzińska, Dagmara (author);Romanowski, Jerzy (author);Maciaszek, Rafał (author);Górska, Ewa B. (author);Zawadzka-Sieradzka, Joanna (author)

Publisher

MDPI AG

Published

2021

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)