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A multilocus assessment of nuclear and mitochondrial sequence data elucidates phylogenetic relationships among European spirlins (Alburnoides, Cyprinidae)тезисы доклада
- Авторы: Stierandová S., Šanda R., Vasil′eva E.D., Zogaris S., Shumka S., Halačka K., Vetešník L., Nowak M., Stefanov T., Koščo J., Mendel J.
- Сборник: XV European Congress of Ichthyology. Abstract Book
- Тезисы
- Год издания: 2015
- Место издания: Porto
- Первая страница: 163
- Аннотация: The phylogenetic relationships and taxonomy of the sprilins from the genus Alburnoides are examined by comparative sequencing analysis of mitochondrial and nuclear markers. Molecular analyses revealed 17 Eurasian lineages divided into two main clades, called the Ponto-Caspian and European in accordance with the lineage spread. The indel diagnostics of β-actin and S7 markers and transcription of cyt b to amino acid chain were evaluated as a reliable identifying tool for most of the recognised lineages. Lineage richness is closely connected with the existence of known glacial refugia in most cases. The underestimation of species richness in the genus Alburnoides is confirmed: the genetic analyses support the validity of 11 morphologically accepted species; apart from them, four phylogenetic lineages requiring the descriptions as separate species were revealed. The distribution area of the nominotypical species A. bipunctatus s. stricto is newly defined. Two diverging phylogenetic lineages, A. ohridanus, and A. prespensis complex, were observed in the Southeast Adriatic Freshwater Ecoregion, confirmed as a hotspot of endemic biodiversity. A. ohridanus demonstrates high divergence from the A. prespensis complex, represented by three mitochondrial lineages with the same nuclear genome sympatrically occurred in some rivers. The range restricted endemism was confirmed for at least seven species. The Albanian river systems, as well as the wider Ponto-Caspian basin exhibit complications among definite species delineations and understanding of microevolutionary processes and thus require further special investigations.
- Добавил в систему: Васильева Екатерина Денисовна