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The genomic basis for colonizing the freezing Southern Ocean revealed by Antarctic toothfish and Patagonian robalo genomes
Author(s) -
Liangbiao Chen,
Ying Lü,
Wenhao Li,
Yandong Ren,
Mengchao Yu,
Shouwen Jiang,
Yanxia Fu,
Jian Wang,
Sihua Peng,
Kevin T. Bilyk,
Katherine R. Murphy,
Xuan Zhuang,
Mathias Hüne,
Wanying Zhai,
Wen Wang,
Qianghua Xu,
Chi-Hing C. Cheng
Publication year - 2019
Publication title -
gigascience
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.947
H-Index - 54
ISSN - 2047-217X
DOI - 10.1093/gigascience/giz016
Subject(s) - biology , genome , evolutionary biology , ecology , gene , genetics
The Southern Ocean is the coldest ocean on Earth but a hot spot of evolution. The bottom-dwelling Eocene ancestor of Antarctic notothenioid fishes survived polar marine glaciation and underwent adaptive radiation, forming >120 species that fill all water column niches today. Genome-wide changes enabling physiological adaptations and the rapid expansion of the Antarctic notothenioids remain poorly understood.

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