Ancestral polymorphism and recent invasion of transposable elements in Drosophila species.

ABSTRACT:

Background

During the evolution of transposable elements, some processes, such as ancestral polymorphisms and horizontal transfer of sequences between species, can produce incongruences in phylogenies. We investigated the evolutionary history of the transposable elements Bari and 412 in the sequenced genomes of the Drosophila melanogaster group and in the sibling species D. melanogaster and D. simulans using traditional phylogenetic and network approaches.

Results

Maximum likelihood (ML) phylogenetic analyses revealed incongruences and unresolved relationships for both the Bari and 412 elements. The DNA transposon Bari within the D. ananassae genome is more closely related to the element of the melanogaster complex than to the sequence in D. erecta, which is inconsistent wit

SUBMITTER: Dias ES 

PROVIDER: S-EPMC3499218 | biostudies-literature | 2012 Jul

REPOSITORIES: biostudies-literature