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15 December 2020 Molecular Phylogeny of the Subgenus Karstomys Reveals Genetic Signature of Post-Glacial Colonization of Apodemus mystacinus (Rodentia: Muridae) in the Zagros Mountains from Different Refugia
Zeinolabedin Mohammadi, Fatemeh Ghorbani, Haji Gholi Kami, Asghar Khajeh, Urban Olsson
Author Affiliations +
Abstract

Eastern broad-toothed field mouse, Apodemus mystacinus, is a rocky habitat dwelling rodent distributed in Asia Minor, the Levant, the Caucasus, and the Zagros Mountains. In this study, we investigated the phylogenetic relationship between different populations of A. mystacinus throughout its range, based on the mitochondrial cytb marker. Phylogenetic analyses revealed the existence of five separately evolving lineages within A. mystacinus, of which two previously unrecognized lineages were identified in the Zagros Mountains and the Levant. Divergence between two major clades of the subgenus Karstomys, corresponding to A. mystacinus and Apodemus epimelas, is inferred to coincide with the Messinian Salinity Crisis (Late Miocene), whereas the splits between major lineages of A. mystacinus are inferred to have occurred during the Pleistocene. Colonization of the Zagros may have occurred from different refugia via eastward migration of the Turkish population and then again by a more recent colonization from the Caucasus, after reopening of the land corridor between the Caucasus and the Zagros Mountains during the Holocene drought.

© 2021 Zoological Society of Japan
Zeinolabedin Mohammadi, Fatemeh Ghorbani, Haji Gholi Kami, Asghar Khajeh, and Urban Olsson "Molecular Phylogeny of the Subgenus Karstomys Reveals Genetic Signature of Post-Glacial Colonization of Apodemus mystacinus (Rodentia: Muridae) in the Zagros Mountains from Different Refugia," Zoological Science 38(1), 72-81, (15 December 2020). https://doi.org/10.2108/zs200065
Received: 26 April 2020; Accepted: 10 September 2020; Published: 15 December 2020
KEYWORDS
cytb
Eastern Mediterranean
historical demography
Pleistocene
rodent
secondary contact zone
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