Natural variation and evolutionary dynamics of transposable elements in Brassica oleracea based on next-generation sequencing data.

ABSTRACT: Brassica oleracea comprises various economically important vegetables and presents extremely diverse morphological variations. They provide a rich source of nutrition for human health and have been used as a model system for studying polyploidization. Transposable elements (TEs) account for nearly 40% of the B. oleracea genome and contribute greatly to genetic diversity and genome evolution. Although the proliferation of TEs has led to a large expansion of the B. oleracea genome, little is known about the population dynamics and evolutionary activity of TEs. A comprehensive mobilome profile of 45,737 TE loci was obtained from resequencing data from 121 diverse accessions across nine B. oleracea morphotypes. Approximately 70% (32,195) of the loci showed insertion

SUBMITTER: Liu Z 

PROVIDER: S-EPMC7459127 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature