Correlation between morphological and genetic differentiation in Cuban Hutia (Rodentia, Capromyinae): Species fragmentation on the area and the problem of excessive taxonomic status problem

Correlation between morphological and genetic differentiation in Cuban Hutia (Rodentia,... The work attempts to explain the previously discovered phenomenon of excessive taxonomic status of the species and subspecies of Cuban hutias relative to their protein genetic divergence. The reasons underlying the fragmentary distribution of the species belonging to the family Capromyidae over the Antilles and Bahamas is also considered. Samples of four geographically distant hutia (genera Capromys and Mysateles) populations inhabiting different biotypes were assessed according to 32 allozyme loci. It has been demonstrated that the interpopulation and subspecies differentiation in the gene frequencies in these genera is very low. As for the pattern of polymorphism (Shannon’s measure), the populations and subspecies within these genera are well differentiated and adequate to their morphological differentiation. This suggests that the genetic divergence pattern of hutias in post-Pleistoce ne was predominantly determined by selection on the background of a relatively rapid formation of multiple morphotypes. It is assumed that the evolution within the family Capromyidae in the earlier and the later periods was associated with the geomorphological and climatic events in the history of the Earth. This standpoint provides for explaining the phenomena of both the excessive taxonomic status of the Cuban Capromyinae and the fragmentary distribution of these species over the Antilles and Bahamas, amazing at a first glance. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Correlation between morphological and genetic differentiation in Cuban Hutia (Rodentia, Capromyinae): Species fragmentation on the area and the problem of excessive taxonomic status problem

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2010 by Pleiades Publishing, Ltd.
Subject
Biomedicine; Microbial Genetics and Genomics; Animal Genetics and Genomics; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795410020092
Publisher site
See Article on Publisher Site

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