Transcriptome Analysis Reveals Candidate Genes for Cold Tolerance in Drosophila ananassae.

ABSTRACT: Coping with daily and seasonal temperature fluctuations is a key adaptive process for species to colonize temperate regions all over the globe. Over the past 18,000 years, the tropical species Drosophila ananassae expanded its home range from tropical regions in Southeast Asia to more temperate regions. Phenotypic assays of chill coma recovery time (CCRT) together with previously published population genetic data suggest that only a small number of genes underlie improved cold hardiness in the cold-adapted populations. We used high-throughput RNA sequencing to analyze differential gene expression before and after exposure to a cold shock in coldtolerant lines (those with fast chill coma recovery, CCR) and cold-sensitive lines (slow CCR) from a population originating from Bangkok, Thailand

SUBMITTER: Koniger A 

PROVIDER: S-EPMC6315829 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature