Comprehensive Transcriptome Analysis Reveals Insights into Phylogeny and Positively Selected Genes of Species

Overview

Journal Animals (Basel)

Date 2020 Apr 11

PMID 32272562

Citations 2

Authors

Fangrui Lou

Yuan Zhang

Na Song

Dongping Ji

Tianxiang Gao

Affiliations

Soon will be listed here.

Abstract

species lives in the demersal environments and face multiple stressors, such as localized oxygen depletion, sulfide accumulation, and high turbidity. In this study, we performed transcriptome analyses of seven species to provide insights into the phylogeny and positively selected genes of this species. After de novo assembly, 82,024, 58,102, 63,807, 85,990, 102,185, 69,748, and 102,903 unigenes were generated from , , sp.1, , sp.2, , and , respectively. Furthermore, 140 shared orthologous exon markers were identified and then applied to reconstruct the phylogenetic relationships of the seven species. The reconstructed phylogenetic structure was significantly congruent with the prevailing morphological and molecular biological view of species relationships. In addition, a total of 44 genes were identified to be positively selected, and these genes were potential participants in the stress response, material (carbohydrate, amino acid and lipid) and energy metabolism, growth and differentiation, embryogenesis, visual sense, and other biological processes. We suspected that these genes possibly allowed species to increase their ecological adaptation to multiple environmental stressors.

Citing Articles

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