数字农科院2.0

African Suid Genomes Provide Insights into the Local Adaptation to Diverse African Environments

文献类型： 外文期刊

作者： Hai Bing Xie;Chen Yan;Adeniyi C. Adeola;Kun Wang;Cui Ping Huang;Ming Min Xu;Qiang Qiu;Xue Yin;Chen Yu Fan;Yun Fei Ma;Ting Ting Yin;Yun Gao;Jia Kun Deng;Agboola O. Okeyoyin;Olufunke O. Oluwole;Oladipo Omotosho;Victor M.O. Okoro;Ofelia G. Omitogun;Philip M. Dawuda;Sunday C. Olaogun;Lotanna M. Nneji;Adeola O. Ayoola;Oscar J. Sanke;Pam D. Luka;Edward Okoth;Isaac Lekolool;Dominic Mijele;Richard P. Bishop;Jianlin Han;Wen Wang;Min Sheng Peng;Ya Ping Zhang

作者机构：

关键词： African suids;common warthog;genome;local adaptation;pig;red river hog

期刊名称： Molecular biology and evolution

ISSN： 1537-1719

年卷期： 2022 年 39 卷 12 期

页码：

收录情况： SCIE（2023版）

摘要： African wild suids consist of several endemic species that represent ancient members of the family Suidae and have colonized diverse habitats on the African continent. However, limited genomic resources for African wild suids hinder our understanding of their evolution and genetic diversity. In this study, we assembled high-quality genomes of a common warthog (Phacochoerus africanus), a red river hog (Potamochoerus porcus), as well as an East Asian Diannan small-ear pig (Sus scrofa). Phylogenetic analysis showed that common warthog and red river hog diverged from their common ancestor around the Miocene/Pliocene boundary, putatively predating their entry into Africa. We detected species-specific selective signals associated with sensory perception and interferon signaling pathways in common warthog and red river hog, respectively, which contributed to their local adaptation to savannah and tropical rainforest environments, respectively. The structural variation and evolving signals in genes involved in T-cell immunity, viral infection, and lymphoid development were identified in their ancestral lineage. Our results provide new insights into the evolutionary histories and divergent genetic adaptations of African suids.

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