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Whole-genome analysis of giraffe supports four distinct species

文献类型：期刊论文

作者Coimbra, Raphael T. F.8,9; Winter, Sven8,9; Kumar, Vikas6,7; Koepfli, Klaus-Peter4,5; Gooley, Rebecca M.4,5; Dobrynin, Pavel3; Fennessy, Julian2; Janke, Axel1,8,9
刊名CURRENT BIOLOGY
出版日期2021-07-12
卷号31期号:13页码:2929-+
ISSN号0960-9822
DOI10.1016/j.cub.2021.04.033
通讯作者Coimbra, Raphael T. F.(raphael.coimbra@senckenberg.de) ; Janke, Axel(axel.janke@senckenberg.de)
英文摘要Species is the fundamental taxonomic unit in biology and its delimitation has implications for conservation. In giraffe (Giraffa spp.), multiple taxonomic classifications have been proposed since the early 1900s.(1) However, one species with nine subspecies has been generally accepted,(2) likely due to limited in-depth assessments, subspecies hybridizing in captivity,(3,4) and anecdotal reports of hybrids in the wild.(5) Giraffe taxonomy received new attention after population genetic studies using traditional genetic markers suggested at least four species.(6,7) This view has been met with controversy,(8) setting the stage for debate.(9,10) Genomics is significantly enhancing our understanding of biodiversity and speciation relative to traditional genetic approaches and thus has important implications for species delineation and conservation.(11) We present a high-quality de novo genome assembly of the critically endangered Kordofan giraffe (G. camelopardalis antiquorum)(12) and a comprehensive whole-genome analysis of 50 giraffe representing all traditionally recognized subspecies. Population structure and phylogenomic analyses support four separately evolving giraffe lineages, which diverged 230-370 ka ago. These lineages underwent distinct demographic histories and show different levels of heterozygosity and inbreeding. Our results strengthen previous findings of limited gene flow and admixture among putative giraffe species(6,7,9) and establish a genomic foundation for recognizing four species and seven subspecies, the latter of which should be considered as evolutionary significant units. Achieving a consensus over the number of species and subspecies in giraffe is essential for adequately assessing their threat level and will improve conservation efforts for these iconic taxa.
WOS关键词CLIMATE-CHANGE ; R PACKAGE ; EVOLUTION ; TREE ; ANNOTATION ; VEGETATION ; ALGORITHM ; INFERENCE ; ACCURATE ; VERSION
WOS研究方向Biochemistry & Molecular Biology ; Life Sciences & Biomedicine - Other Topics ; Cell Biology
语种英语
WOS记录号WOS:000672692600009
出版者CELL PRESS
源URL[http://119.78.100.205/handle/311034/18273]  
专题古脊椎动物与古人类研究所_图书馆1
通讯作者Coimbra, Raphael T. F.; Janke, Axel
作者单位1.LOEWE Ctr Translat Biodivers Gen, Senckenberganlage 25, D-60325 Frankfurt, Germany
2.Giraffe Conservat Fdn, POB 86099, Eros, Windhoek, Namibia
3.ITMO Univ, Comp Technol Lab, 49 Kronverkskiy Pr, St Petersburg 197101, Russia
4.Smithsonian Conservat Biol Inst, Ctr Species Survival, Natl Zool Pk, 3001 Connecticut Ave NW, Washington, DC 20008 USA
5.Smithsonian Mason Sch Conservat, Front Royal, VA 22630 USA
6.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Beijing 100044, Peoples R China
7.Chinese Acad Sci, Key Lab Vertebrate Evolut & Human Origins, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China
8.Goethe Univ, Inst Ecol Evolut & Divers, Max von Laue Str 13, D-60438 Frankfurt, Germany
9.Senckenberg Biodivers & Climate Res Ctr, Senckenberganlage 25, D-60325 Frankfurt, Germany
推荐引用方式
GB/T 7714		 Coimbra, Raphael T. F.,Winter, Sven,Kumar, Vikas,et al. Whole-genome analysis of giraffe supports four distinct species[J]. CURRENT BIOLOGY,2021,31(13):2929-+.
APA Coimbra, Raphael T. F..,Winter, Sven.,Kumar, Vikas.,Koepfli, Klaus-Peter.,Gooley, Rebecca M..,...&Janke, Axel.(2021).Whole-genome analysis of giraffe supports four distinct species.CURRENT BIOLOGY,31(13),2929-+.
MLA Coimbra, Raphael T. F.,et al."Whole-genome analysis of giraffe supports four distinct species".CURRENT BIOLOGY 31.13(2021):2929-+.

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