SINE Retrotransposon variation drives Ecotypic disparity in natural populations of Coilia nasus.

ABSTRACT:

Background

SINEs are a type of nonautonomous retrotransposon that can transpose from one site to be integrated elsewhere in an organism genome. SINE insertion can give rise to genetic variants and regulate gene expression, allowing organisms to acquire new adaptive capacity. Studies on this subject have focused on the impacts of SINEs on genes. However, ecological disparities in fish have not yet been explained by SINEs.

Results

New SINEs were isolated from Coilia nasus, which has two ecotypes-migratory and resident-that differ in their spawning and migration behaviors. The SINEs possess two structures that resemble a tRNA gene and a LINE retrotransposon tail. Comparison of olfactory tissue transcriptomes, intact SINE transcript copies were detected in only the migrat

SUBMITTER: Liu D 

PROVIDER: S-EPMC6951006 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature