Transcriptome-Wide Patterns of the Genetic and Expression Variations in Two Sympatric Schizothoracine Fishes in a Tibetan Plateau Glacier Lake.

ABSTRACT: Sympatric speciation remains a central focus of evolutionary biology. Although some evidence shows speciation occurring in this way, little is known about the gene expression evolution and the characteristics of population genetics as species diverge. Two closely related Gymnocypris fish (Gymnocypris chui and Gymnocypris scleracanthus), which come from a small glacier lake in the Tibetan Plateau, Lake Langcuo, exist a possible incipient sympatric adaptive ecological speciation. We generated large amounts of RNA-Seq data from multiple individuals and tissues from each of the two species and compared gene expression patterns and genetic polymorphisms between them. Ordination analysis separated samples by organ rather than by species. The degree of expression difference between organs within

SUBMITTER: Chen J 

PROVIDER: S-EPMC6978627 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature