期刊
ANNUAL REVIEW OF ANIMAL BIOSCIENCES, VOL 9, 2021
卷 9, 期 -, 页码 81-101出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev-animal-061220-023118
关键词
equid; horse; evolution; donkey; ancient DNA; population genomics
The equid family, comprising the genus Equus, shows a rich diversity and dynamic evolution history, with recent advancements in genomic technologies enhancing our understanding of species radiation, extinction dynamics, and domestication history within the Equus genus.
The equid family contains only one single extant genus, Equus, including seven living species grouped into horses on the one hand and zebras and asses on the other. In contrast, the equine fossil record shows that an extraordinarily richer diversity existed in the past and provides multiple examples of a highly dynamic evolution punctuated by several waves of explosive radiations and extinctions, cross-continental migrations, and local adaptations. In recent years, genomic technologies have provided new analytical solutions that have enhanced our understanding of equine evolution, including the species radiation within Equus; the extinction dynamics of several lineages; and the domestication history of two individual species, the horse and the donkey. Here, we provide an overview of these recent developments and suggest areas for further research.
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