Sympatric speciation revealed by genome-wide divergence in the blind mole rat Spalax

CORC > 昆明动物研究所 > 昆明动物研究所 > 遗传资源与进化国家重点实验室 > 分子进化基因组学

	Sympatric speciation revealed by genome-wide divergence in the blind mole rat Spalax
	Li KX 1,2; Hong W 1; Jiao HW 1; Wang GD 3; Rodriguez KA 4,5; Buffenstein R 4,5,6; Zhao Y 2; Nevo E[]2; Zhao HB[]1
刊名	PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
	2015
卷号	112 期号:38 页码:11905-11910
关键词	ecological adaptation genome divergence natural selection population genetics sympatric speciation
通讯作者	nevo@research.haifa.ac.il ; huabinzhao@whu.edu.cn
合作状况	其它
英文摘要	Sympatric speciation (SS), i.e., speciation within a freely breeding population or in contiguous populations, was first proposed by Darwin [Darwin C (1859) On the Origins of Species by Means of Natural Selection] and is still controversial despite theoretical support [Gavrilets S (2004) Fitness Landscapes and the Origin of Species (MPB-41)] and mounting empirical evidence. Speciation of subterranean mammals generally, including the genus Spalax, was considered hitherto allopatric, whereby new species arise primarily through geographic isolation. Here we show in Spalax a case of genome-wide divergence analysis in mammals, demonstrating that SS in continuous populations, with gene flow, encompasses multiple widespread genomic adaptive complexes, associated with the sharply divergent ecologies. The two abutting soil populations of S. galili in northern Israel habituate the ancestral Senonian chalk population and abutting derivative Plio-Pleistocene basalt population. Population divergence originated ∼0.2-0.4 Mya based on both nuclear and mitochondrial genome analyses. Population structure analysis displayed two distinctly divergent clusters of chalk and basalt populations. Natural selection has acted on 300+ genes across the genome, diverging Spalax chalk and basalt soil populations. Gene ontology enrichment analysis highlights strong but differential soil population adaptive complexes: in basalt, sensory perception, musculature, metabolism, and energetics, and in chalk, nutrition and neurogenetics are outstanding. Population differentiation of chemoreceptor genes suggests intersoil population's mate and habitat choice substantiating SS. Importantly, distinctions in protein degradation may also contribute to SS.
收录类别	SCI
资助信息	We thank Professor Alan R. Templeton and Mat? ej Lövy for valuable comments and Shay Zur for his photograph. The Major Research Plan of the National Natural Science Foundation of China (91331115) and the Ancell-Teicher Research Foundation for Genetics and Molecular Evo- lution financially supported this work.
语种	英语
内容类型	期刊论文
源URL	[http://159.226.149.26:8080/handle/152453/9446]
专题	昆明动物研究所_分子进化基因组学昆明动物研究所_遗传资源与进化国家重点实验室
作者单位	1.Department of Ecology, College of Life Sciences, Wuhan University, Wuhan 430072, China 2.Institute of Evolution, University of Haifa, Haifa 3498838, Israel 3.State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China 4.Sam and Anne Barshop Center for Longevity and Aging Studies, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229 5.Department of Physiology, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229 6.Calico, South San Francisco, CA 94080
推荐引用方式 GB/T 7714	Li KX,Hong W,Jiao HW,et al. Sympatric speciation revealed by genome-wide divergence in the blind mole rat Spalax[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2015,112(38):11905-11910.
APA	Li KX.,Hong W.,Jiao HW.,Wang GD.,Rodriguez KA.,...&Zhao HB[*].(2015).Sympatric speciation revealed by genome-wide divergence in the blind mole rat Spalax.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,112(38),11905-11910.
MLA	Li KX,et al."Sympatric speciation revealed by genome-wide divergence in the blind mole rat Spalax".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 112.38(2015):11905-11910.