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DOI	10.1038/s41559-022-01665-7
	Genomic variation from an extinct species is retained in the extant radiation following speciation reversal
	Frei D.; De-Kayne R.; Selz O.M.; Seehausen O.; Feulner P.G.D.
发表日期	2022
ISSN	2397-334X
起始页码	461
结束页码	468
卷号	6 期号:4
英文摘要	Ecosystem degradation and biodiversity loss are major global challenges. When reproductive isolation between species is contingent on the interaction of intrinsic lineage traits with features of the environment, environmental change can weaken reproductive isolation and result in extinction through hybridization. By this process called speciation reversal, extinct species can leave traces in genomes of extant species through introgressive hybridization. Using historical and contemporary samples, we sequenced all four species of an Alpine whitefish radiation before and after anthropogenic lake eutrophication and the associated loss of one species through speciation reversal. Despite the extinction of this taxon, substantial fractions of its genome, including regions shaped by positive selection before eutrophication, persist within surviving species as a consequence of introgressive hybridization during eutrophication. Given the prevalence of environmental change, studying speciation reversal and its genomic consequences provides fundamental insights into evolutionary processes and informs biodiversity conservation. ? 2022, The Author(s), under exclusive licence to Springer Nature Limited.
语种	英语
scopus关键词	animal; ecosystem; genetics; genome; hybridization; salmonid; species differentiation; Animals; Ecosystem; Genetic Speciation; Genome; Hybridization, Genetic; Salmonidae
来源期刊	Nature Ecology & Evolution
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/257103
作者单位	Department of Fish Ecology and Evolution, Center for Ecology, Evolution and Biogeochemistry, Eawag—Swiss Federal Institute of Aquatic Science and Technology, Kastanienbaum, Switzerland; Division of Aquatic Ecology and Evolution, Institute of Ecology and Evolution, University of Bern, Bern, Switzerland
推荐引用方式 GB/T 7714	Frei D.,De-Kayne R.,Selz O.M.,et al. Genomic variation from an extinct species is retained in the extant radiation following speciation reversal[J],2022,6(4).
APA	Frei D.,De-Kayne R.,Selz O.M.,Seehausen O.,&Feulner P.G.D..(2022).Genomic variation from an extinct species is retained in the extant radiation following speciation reversal.Nature Ecology & Evolution,6(4).
MLA	Frei D.,et al."Genomic variation from an extinct species is retained in the extant radiation following speciation reversal".Nature Ecology & Evolution 6.4(2022).