Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Chromosomal Evolution of the Talpinae

Larisa S Biltueva
* ORCID logo ,
Nadezhda V Vorobieva
,
Natalya A Lemskya
,
Polina L. Perelman
,
Vladimir A Trifonov
ORCID logo ,
Victor V Panov
,
Alexey V Abramov
ORCID logo ,
Shin-ichiro Kawada
,
Natalya A Serdukova
,
Alexandr S Graphodatsky
ORCID logo
Version 1 : Received: 16 June 2023 / Approved: 20 June 2023 / Online: 20 June 2023 (10:31:18 CEST)

A peer-reviewed article of this Preprint also exists.

Biltueva, L.S.; Vorobieva, N.V.; Lemskya, N.A.; Perelman, P.L.; Trifonov, V.A.; Panov, V.V.; Abramov, A.V.; Kawada, S.-I.; Serdukova, N.A.; Graphodatsky, A.S. Chromosomal Evolution of the Talpinae. Genes 2023, 14, 1472. Biltueva, L.S.; Vorobieva, N.V.; Lemskya, N.A.; Perelman, P.L.; Trifonov, V.A.; Panov, V.V.; Abramov, A.V.; Kawada, S.-I.; Serdukova, N.A.; Graphodatsky, A.S. Chromosomal Evolution of the Talpinae. Genes 2023, 14, 1472.

Abstract

In recent years, the number of mole species for which the species status has been confirmed using genetic methods has been continuously increasing. Unfortunately, cytogenetic analysis is not available for all species. Here, for the first time, a GTG-banded karyotype of the small-toothed mole from Vietnam, Euroscaptor parvidens, a representative of the eastern clade of the genus Euroscaptor, was described. Through comparative analysis of available Euroscaptor (E. parvidens, E. klossi, and E. malayana) and Oreoscaptor (O.mizura) karyotypes we find cytogenetic signatures. Zoo-FISH with sorted chromosomes of the Siberian mole Talpa altaica on chromosome sets of the small-toothed mole E. parvidens, the small Japanese mole M. imaizumii from the close genus Mogera and the Japanese shrew mole Urotrichus talpoides from the tribe Urotrichini made it possible to identify syntenic regions between species that diverged about 35 million years ago. The low rate of chromosomal changes within the species of the genus Talpa - T.altaica and T.europaea - and the high rate of karyotypic reshuffling within the Asian genera of the tribe were confirmed. The pericentric inversions on four pairs of autosomes are shared between the closely related genera Euroscaptor, Oreoscaptor, and Mogera, while many more apomorphic rearrangements have occurred in each lineage additionally. The highest rate of chromosomal changes was recorded in the lineage of the small-toothed mole.

Keywords

Talpinae species; chromosome evolution; comparative chromosome painting

Subject

Biology and Life Sciences, Ecology, Evolution, Behavior and Systematics

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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