Evaluation of the genomic extent of effects of fixed inversion differences on intraspecific variation and interspecific gene flow in Drosophila pseudoobscura and D. persimilis.

ABSTRACT: There is increasing evidence that chromosomal inversions may facilitate the formation or persistence of new species by allowing genetic factors conferring species-specific adaptations or reproductive isolation to be inherited together and by reducing or eliminating introgression. However, the genomic domain of influence of the inverted regions on introgression has not been carefully studied. Here, we present a detailed study on the consequences that distance from inversion breakpoints has had on the inferred level of gene flow and divergence between Drosophila pseudoobscura and D. persimilis. We identified the locations of the inversion breakpoints distinguishing D. pseudoobscura and D. persimilis in chromosomes 2, XR, and XL. Population genetic data were collected at specific distances fr

SUBMITTER: Machado CA 

PROVIDER: S-EPMC1840060 | biostudies-literature | 2007 Mar

REPOSITORIES: biostudies-literature