Patterns and processes of genome-wide divergence between North American and African Drosophila melanogaster.

ABSTRACT: Genomic tools and analyses are now being widely used to understand genome-wide patterns and processes associated with speciation and adaptation. In this article, we apply a genomics approach to the model organism Drosophila melanogaster. This species originated in Africa and subsequently spread and adapted to temperate environments of Eurasia and the New World, leading some populations to evolve reproductive isolation, especially between cosmopolitan and Zimbabwean populations. We used tiling arrays to identify highly differentiated regions within and between North America (the United States and Caribbean) and Africa (Cameroon and Zimbabwe) across 63% of the D. melanogaster genome and then sequenced representative fragments to study their genetic divergence. Consistent with previous findin

SUBMITTER: Yukilevich R 

PROVIDER: S-EPMC2940289 | biostudies-literature | 2010 Sep

REPOSITORIES: biostudies-literature