期刊
COMPTES RENDUS BIOLOGIES
卷 325, 期 2, 页码 89-97出版社
EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/S1631-0691(02)01413-0
关键词
allozymes; microsatellites; mt DNA; Mus; multilocus analysis; sympatric hybridisation
类别
Using protein loci and DNA markers, we show by a multilocus genetic analysis that certain populations of the two sympatric mouse species Mus musculus domesticus and Mus spretus show clear signs of partial introgression. Given the sterility of F1 males and the known partial genetic incompatibilities between the genomes of the two species, our finding does not invalidate the biological species complex, but allows to think that very limited genetic exchanges remain possible even long after the divergence of Laxa. This may have some consequences on the dynamics of certain kinds of invasive or advantageous DNAs like transposable elements or pathogen resistance genes. (C) 2002 Academie des sciences / Editions scientifiques et medicales Elsevier SAS.
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