Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1098/rspb.2015.2334 |
Diabolical survival in Death Valley: recent pupfish colonization, gene flow and genetic assimilation in the smallest species range on earth | |
Martin, Christopher H.1; Crawford, Jacob E.2,3; Turner, Bruce J.4; Simons, Lee H.5 | |
通讯作者 | Martin, Christopher H. |
来源期刊 | PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
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ISSN | 0962-8452 |
EISSN | 1471-2954 |
出版年 | 2016 |
卷号 | 283期号:1823 |
英文摘要 | One of the most endangered vertebrates, the Devils Hole pupfish Cyprinodon diabolis, survives in a nearly impossible environment: a narrow subterranean fissure in the hottest desert on earth, Death Valley. This species became a conservation icon after a landmark 1976 US Supreme Court case affirming federal groundwater rights to its unique habitat. However, one outstanding question about this species remains unresolved: how long has diabolis persisted in this hellish environment? We used next-generation sequencing of over 13 000 loci to infer the demographic history of pupfishes in Death Valley. Instead of relicts isolated 2-3 Myr ago throughout repeated flooding of the entire region by inland seas as currently believed, we present evidence for frequent gene flow among Death Valley pupfish species and divergence after the most recent flooding 13 kyr ago. We estimate that Devils Hole was colonized by pupfish between 105 and 830 years ago, followed by genetic assimilation of pelvic fin loss and recent gene flow into neighbouring spring systems. Our results provide a new perspective on an iconic endangered species using the latest population genomic methods and support an emerging consensus that timescales for speciation are overestimated in many groups of rapidly evolving species. |
英文关键词 | demographic inference population genomics speciation conservation genetics genetic accommodation introgression |
类型 | Article |
语种 | 英语 |
国家 | USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000375858400005 |
WOS关键词 | DEVILS HOLE PUPFISH ; CRATER LAKE CICHLIDS ; INBREEDING DEPRESSION ; ADAPTIVE RADIATION ; SYMPATRIC SPECIATION ; SMALL POPULATIONS ; CYPRINODON-VARIEGATUS ; DIVERGENCE TIMES ; EXTINCTION RISK ; EVOLUTION |
WOS类目 | Biology ; Ecology ; Evolutionary Biology |
WOS研究方向 | Life Sciences & Biomedicine - Other Topics ; Environmental Sciences & Ecology ; Evolutionary Biology |
来源机构 | University of California, Berkeley |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/195750 |
作者单位 | 1.Univ N Carolina, Dept Biol, Chapel Hill, NC USA; 2.Univ Calif Berkeley, Dept Integrat Biol, Berkeley, CA 94720 USA; 3.Univ Calif Berkeley, Ctr Theoret Evolutionary Genom, Berkeley, CA 94720 USA; 4.Virginia Tech, Dept Biol Sci, Blacksburg, VA 24061 USA; 5.US Fish & Wildlife Serv, Las Vegas, NV USA |
推荐引用方式 GB/T 7714 | Martin, Christopher H.,Crawford, Jacob E.,Turner, Bruce J.,et al. Diabolical survival in Death Valley: recent pupfish colonization, gene flow and genetic assimilation in the smallest species range on earth[J]. University of California, Berkeley,2016,283(1823). |
APA | Martin, Christopher H.,Crawford, Jacob E.,Turner, Bruce J.,&Simons, Lee H..(2016).Diabolical survival in Death Valley: recent pupfish colonization, gene flow and genetic assimilation in the smallest species range on earth.PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES,283(1823). |
MLA | Martin, Christopher H.,et al."Diabolical survival in Death Valley: recent pupfish colonization, gene flow and genetic assimilation in the smallest species range on earth".PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES 283.1823(2016). |
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