PHYLOGENY OF THE DIPUS SAGITTA SPECIES COMPLEX BASED ON THE SEQUENCING OF NUCLEAR GENES

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Abstract

The northern three-toed jerboa Dipus sagitta was long considered to be a single polytypic species. Earlier, a high genetic diversity of D. sagitta was revealed on the basis of several mitochondrial and nuclear genes, and the existence of several separate species within it was hypothesized. However, a small number of available nuclear genes prevented the establishment of relationships between identified phylogenetic lineages. Here, we significantly expand the set of utilized nuclear DNA loci, which resulted in a sufficiently higher resolution of the phylogenetic tree for 10 forms of D. sagitta. The identified species structure mainly confirms the topology and relationship of the mtDNA lineages. At the same time, the mitochondrial and nuclear phylogenies are not completely consistent. Hence, a part of the genetic lineages of D. sagitta is apparently a product of reticular evolutionary processes. This taxon is thus the diverse species complex D. sagitta sensu lato, in which long-diverged lineages are not always reproductively isolated.

About the authors

A. A. Lisenkova

Faculty of Biology, Lomonosov Moscow State University

Author for correspondence.
Email: biolisenkova@yandex.ru
Russian, Moscow

G. I. Shenbrot

Mitrani Department of Desert Ecology, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev

Email: biolisenkova@yandex.ru
Israel, Midreshet Ben-Gurion

A. V. Surov

A.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences

Email: biolisenkova@yandex.ru
Russian, Moscow

K. A. Rogovin

A.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences

Email: biolisenkova@yandex.ru
Russian, Moscow

R. A. Nazarov

Zoological Museum, Lomonosov Moscow State University

Email: biolisenkova@yandex.ru
Russian, Moscow

M. N. Melnikova

Faculty of Biology, Lomonosov Moscow State University

Email: biolisenkova@yandex.ru
Russian, Moscow

V. Yu. Bogatyreva

Zoological Museum, Lomonosov Moscow State University

Email: biolisenkova@yandex.ru
Russian, Moscow

E. Undrakhbayar

Institute of General and Experimental Biology of the Mongolian Academy of Science

Email: biolisenkova@yandex.ru
Mongolia, Ulaanbaatar

V. S. Lebedev

Zoological Museum, Lomonosov Moscow State University

Email: biolisenkova@yandex.ru
Russian, Moscow

A. A. Bannikova

Faculty of Biology, Lomonosov Moscow State University

Email: biolisenkova@yandex.ru
Russian, Moscow

References

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Copyright (c) 2023 А.А. Лисенкова, В.С. Лебедев, Э. Ундрахбаяр, В.Ю. Богатырева, М.Н. Мельникова, Р.А. Назаров, К.А. Роговин, А.В. Суров, Г.И. Шенброт, А.А. Банникова

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