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Historic Sampling of a Vanishing Beast: Population Structure and Diversity in the Black Rhinoceros

Sánchez-Barreiro, Fátima (författare)
Globe Institute, University of Copenhagen , Copenhagen , Denmark
De Cahsan, Binia (författare)
Globe Institute, University of Copenhagen , Copenhagen , Denmark
Westbury, Michael V (författare)
Globe Institute, University of Copenhagen , Copenhagen , Denmark
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Sun, Xin (författare)
Globe Institute, University of Copenhagen , Copenhagen , Denmark
Margaryan, Ashot (författare)
Globe Institute, University of Copenhagen , Copenhagen , Denmark
Fontsere, Claudia (författare)
Globe Institute, University of Copenhagen , Copenhagen , Denmark;Institut de Biologia Evolutiva (Consejo Superior de Investigaciones Científicas–Universitat Pompeu Fabra), Barcelona Biomedical Research Park , Barcelona, Catalonia , Spain
Bruford, Michael W (författare)
Cardiff School of Biosciences, Cardiff University , Cardiff , UK
Russo, Isa-Rita M (författare)
Cardiff School of Biosciences, Cardiff University , Cardiff , UK
Kalthoff, Daniela C (författare)
Naturhistoriska riksmuseet,Enheten för zoologi,Swedish Museum of Natural History
Sicheritz-Pontén, Thomas (författare)
Globe Institute, University of Copenhagen , Copenhagen , Denmark;Centre of Excellence for Omics-Driven Computational Biodiscovery (COMBio), Faculty of Applied Sciences, AIMST University , Kedah , Malaysia
Petersen, Bent (författare)
Globe Institute, University of Copenhagen , Copenhagen , Denmark;Centre of Excellence for Omics-Driven Computational Biodiscovery (COMBio), Faculty of Applied Sciences, AIMST University , Kedah , Malaysia
Dalén, Love, 1980- (författare)
Stockholms universitet,Zoologiska institutionen,Department of Zoology, Centre for Palaeogenetics , Stockholm University, Stockholm , Sweden;Department of Bioinformatics and Genetics, Swedish Museum of Natural History , Stockholm , Sweden
Zhang, Guojie (författare)
Section for Ecology and Evolution, Department of Biology, University of Copenhagen , Copenhagen , Denmark;State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences , Kunming , People's Republic of China;Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences , Kunming , People's Republic of China;BGI Research, BGI-Shenzhen , Shenzhen , People's Republic of China
Marquès-Bonet, Tomás (författare)
Institut de Biologia Evolutiva (Consejo Superior de Investigaciones Científicas–Universitat Pompeu Fabra), Barcelona Biomedical Research Park , Barcelona, Catalonia , Spain;National Centre for Genomic Analysis–Centre for Genomic Regulation, Barcelona Institute of Science and Technology , Barcelona , Spain;Life & Medical Sciences, Institucio Catalana de Recerca i Estudis Avançats (ICREA) , Barcelona, Catalonia , Spain
Gilbert, M Thomas P (författare)
Globe Institute, University of Copenhagen , Copenhagen , Denmark;Department of Natural History, NTNU University Museum , Trondheim , Norway
Moodley, Yoshan (författare)
Department of Biological Sciences, University of Venda , Thohoyandou , Republic of South Africa
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 (creator_code:org_t)
2023
2023
Engelska.
Ingår i: Molecular biology and evolution. - 0737-4038 .- 1537-1719. ; 40:9
Relaterad länk:
https://nrm.diva-por... (primary) (Raw object)
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https://doi.org/10.1...
https://urn.kb.se/re...
https://doi.org/10.1...
https://urn.kb.se/re...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • The black rhinoceros (Diceros bicornis L.) is a critically endangered species historically distributed across sub-Saharan Africa. Hunting and habitat disturbance have diminished both its numbers and distribution since the 19th century, but a poaching crisis in the late 20th century drove them to the brink of extinction. Genetic and genomic assessments can greatly increase our knowledge of the species and inform management strategies. However, when a species has been severely reduced, with the extirpation and artificial admixture of several populations, it is extremely challenging to obtain an accurate understanding of historic population structure and evolutionary history from extant samples. Therefore, we generated and analyzed whole genomes from 63 black rhinoceros museum specimens collected between 1775 and 1981. Results showed that the black rhinoceros could be genetically structured into six major historic populations (Central Africa, East Africa, Northwestern Africa, Northeastern Africa, Ruvuma, and Southern Africa) within which were nested four further subpopulations (Maasailand, southwestern, eastern rift, and northern rift), largely mirroring geography, with a punctuated north–south cline. However, we detected varying degrees of admixture among groups and found that several geographical barriers, most prominently the Zambezi River, drove population discontinuities. Genomic diversity was high in the middle of the range and decayed toward the periphery. This comprehensive historic portrait also allowed us to ascertain the ancestry of 20 resequenced genomes from extant populations. Lastly, using insights gained from this unique temporal data set, we suggest management strategies, some of which require urgent implementation, for the conservation of the remaining black rhinoceros diversity.

Ämnesord

NATURVETENSKAP  -- Biologi -- Genetik (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Genetics (hsv//eng)
NATURVETENSKAP  -- Biologi -- Evolutionsbiologi (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Evolutionary Biology (hsv//eng)

Nyckelord

Black rhinoceros
population genomics
conservation genomics
ancient DNA
Ecosystems and species history
Ekosystem och arthistoria

Publikations- och innehållstyp

ref (ämneskategori)
art (ämneskategori)

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