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Sympatric speciation of spiny mice, Acomys, unfolded transcriptomically at Evolution Canyon, Israel
Li, Kexin1,2; Wang, Huihua1; Cai, Zhenyuan3; Wang, Liuyang4; Xu, Qinqin5; Lovy, Matej2,6; Wang, Zhenlong7; Nevo, Eviatar2
2016-07-19
发表期刊PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
卷号113期号:29页码:8254-8259
文章类型Article
摘要Spiny mice, Acomys cahirinus, colonized Israel 30,000 y ago from dry tropical Africa and inhabited rocky habitats across Israel. Earlier, we had shown by mtDNA that A. cahirinus incipiently sym-patrically speciates at Evolution Canyon I (EC I) in Mount Carmel, Israel because of microclimatic interslope divergence. The EC I microsite consists of a dry and hot savannoid "African" slope (AS) and an abutting humid and cool-forested "European" slope (ES). Here, we substantiate incipient SS in A. cahirinus at EC I based on the entire transcriptome, showing that multiple slope-specific adaptive complexes across the transcriptome result in two divergent clusters. Tajima's D distribution of the abutting Acomys interslope populations shows that the ES population is under stronger positive selection, whereas the AS population is under balancing selection, harboring higher genetic polymorphisms. Considerable sites of the two populations were differentiated with a coefficient of F-ST = 0.25-0.75. Remarkably, 24 and 37 putatively adaptively selected genes were detected in the AS and ES populations, respectively. The AS genes involved DNA repair, growth arrest, neural cell differentiation, and heat-shock proteins adapting to the local AS stresses of high solar radiation, drought, and high temperature. In contrast, the ES genes involved high ATP associated with energetics stress. The sharp ecological interslope divergence led to strong slope-specific selection overruling the interslope gene flow. Earlier tests suggested slope-specific mate choice. Habitat interslope-adaptive selection across the transcriptome and mate choice substantiate sympatric speciation (SS), suggesting its prevalence at EC I and commonality in nature.
关键词Adaptive Ecological Speciation Microclimate Natural Selection Rna-seq
WOS标题词Science & Technology
DOI10.1073/pnas.1608743113
关键词[WOS]DROSOPHILA-MELANOGASTER ; MICROSATELLITE MARKERS ; MICROCLIMATE CONTRAST ; GENE-FLOW ; DIVERGENCE ; SELECTION ; STRESS ; GENOME ; REPAIR ; CELLS
收录类别SCI
语种英语
项目资助者Agricultural Science and Technology Innovation Program(CAAS-ASTIP-2016-IAR) ; Ancell-Teicher Research Foundation for Genetics and Molecular Evolution ; National Natural Science Foundation of China(31372193) ; Foundation of Henan Educational Committee Grant(13A180717) ; Czech Science Foundation Project(14-31670P)
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000380224500074
引用统计
被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/6463
专题中国科学院西北高原生物研究所
作者单位1.Chinese Acad Agr Sci, Inst Apicultural Res, Beijing 100093, Peoples R China
2.Univ Haifa, Inst Evolut, IL-3498838 Haifa, Israel
3.Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Adaptat & Evolut Plateau Biota, Xining 810001, Peoples R China
4.Duke Univ, Sch Med, Dept Mol Genet & Microbiol, Durham, NC 27708 USA
5.Peoples Hosp Qinghai Prov, Xining 810007, Peoples R China
6.Univ South Bohemia, Fac Sci, Dept Zool, Ceske Budejovice 37005, Czech Republic
7.Zhengzhou Univ, Sch Life Sci, Zhengzhou 450001, Peoples R China
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Li, Kexin,Wang, Huihua,Cai, Zhenyuan,et al. Sympatric speciation of spiny mice, Acomys, unfolded transcriptomically at Evolution Canyon, Israel[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2016,113(29):8254-8259.
APA Li, Kexin.,Wang, Huihua.,Cai, Zhenyuan.,Wang, Liuyang.,Xu, Qinqin.,...&Nevo, Eviatar.(2016).Sympatric speciation of spiny mice, Acomys, unfolded transcriptomically at Evolution Canyon, Israel.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,113(29),8254-8259.
MLA Li, Kexin,et al."Sympatric speciation of spiny mice, Acomys, unfolded transcriptomically at Evolution Canyon, Israel".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 113.29(2016):8254-8259.
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