Experimental hybridization of voles of the genus Microtus s.l. M. socialis with species of the group arvalis (Mammalia, Rodentia)

Autor:	L. E. Savinetskaya, Yu. M. Kovalskaya, T. G. Aksenova
Rok vydání:	2014
Předmět:	Social vole Sterility Zoology Vole Interspecific competition Reproductive isolation Genus Microtus Biology General Agricultural and Biological Sciences biology.organism_classification Microtus General Biochemistry Genetics and Molecular Biology Hybrid
Zdroj:	Biology Bulletin. 41:559-563
ISSN:	1608-3059 1062-3590
DOI:	10.1134/s1062359014060065
Popis:	The results of interspecific crosses of the social vole Microtus socialis with the Altai vole M. obscurus, the East European vole M. rossiaemeridionalis, and the Transcaspian vole M. transcaspicus are presented. The role of the sperm head structure in the reproductive isolation of this species was studied. Hybrids were obtained in five of the six crossing combinations. It is established that significant differences in the sperm head shape in the social vole and in arvalis group species do not prevent fertilization. The sterility of hybrids indicates the existence of postcopulative mechanisms of reproductive isolation.
Databáze:	OpenAIRE
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