Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/46992
Title: The origin of the osorian shrew (crocidura osorio) from gran canaria resolved using mtDNA
Authors: Molina, Obdulia
Brown, Richard P.
Suárez, Nicolás M.
Pestano, José J. 
UNESCO Clasification: 240108 Genética animal
Keywords: Soricidae
Evolution
Mammalia
Gene
Issue Date: 2003
Journal: Italian Journal of Zoology 
Abstract: Crocidura osorio was first described in 1989 as an endemic species confined to the islands of Gran Canaria and (possibly) Tenerife. However phenotypic differences between C osorio and other species are small leading to doubts over its taxonomic status. This is resolved using mtDNA. Over 1120 base pairs from the cytochrome b and 16S rRNA regions of the mtDNA of C osorio were compared with homologous sequence from European C. russula and C. suaveolens. Small polymorphisms, typical of (or even smaller than) those often described within species, were observed within the former region although the latter region was identical between all compared sequences. We conclude that the Gran Canarian shrew is a C. russula that is likely to have been introduced since the Spanish conquest of the Canaries.
URI: http://hdl.handle.net/10553/46992
ISSN: 1125-0003
DOI: 10.1080/11250000309356513
Source: Italian Journal of Zoology[ISSN 1125-0003],v. 70, p. 179-181
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