Genomic landscape and evolutionary dynamics of mariner transposable elements within the Drosophila genus.

ABSTRACT:

Background

The mariner family of transposable elements is one of the most widespread in the Metazoa. It is subdivided into several subfamilies that do not mirror the phylogeny of these species, suggesting an ancient diversification. Previous hybridization and PCR studies allowed a partial survey of mariner diversity in the Metazoa. In this work, we used a comparative genomics approach to access the genus-wide diversity and evolution of mariner transposable elements in twenty Drosophila sequenced genomes.

Results

We identified 36 different mariner lineages belonging to six distinct subfamilies, including a subfamily not described previously. Wide variation in lineage abundance and copy number were observed among species and among mariner lineages, suggesting continuous turn-o

SUBMITTER: Wallau GL 

PROVIDER: S-EPMC4161770 | biostudies-literature | 2014 Aug

REPOSITORIES: biostudies-literature