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Evolutionary histor...
Evolutionary history of the extinct Sardinian dhole
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- Ciucani, Marta Maria (författare)
- University of Copenhagen
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- Jensen, Julie Kragmose (författare)
- Technical University of Denmark
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- Sinding, Mikkel-Holger S (författare)
- Trinity College Dublin
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- Smith, Oliver (författare)
- University of Copenhagen
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- Lucenti, Saverio Bartolini (författare)
- University of Florence
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- Rosengren, Erika (författare)
- Lund University,Lunds universitet,Institutionen för arkeologi och antikens historia,Institutioner,Humanistiska och teologiska fakulteterna,Department of Archaeology and Ancient History,Departments,Joint Faculties of Humanities and Theology
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- Rook, Lorenzo (författare)
- University of Florence
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- Tuveri, Caterinella (författare)
- Soprintendenza Archeologia
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- Arca, Marisa (författare)
- Soprintendenza Archeologia
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- Cappellini, Enrico (författare)
- University of Copenhagen
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- Galaverni, Marco (författare)
- WWF Italy
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- Randi, Ettore (författare)
- Aalborg University
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- Guo, Chunxue (författare)
- Beijing Genomics Institute
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- Zhang, Guojie (författare)
- University of Copenhagen,Beijing Genomics Institute
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- Sicheritz-Pontén, Thomas (författare)
- University of Copenhagen,Asian Institute of Medicine, Science & Technology (AIMST University)
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- Dalén, Love (författare)
- Swedish Museum of Natural History,Centre for Palaeogenetics
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- Gilbert, M Thomas P (författare)
- University of Copenhagen
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- Gopalakrishnan, Shyam (författare)
- University of Copenhagen
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(creator_code:org_t)
- Elsevier BV, 2021
- 2021
- Engelska 10 s.
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Ingår i: Current biology : CB. - : Elsevier BV. - 1879-0445 .- 0960-9822. ; 31, s. 1-9
- Relaterad länk:
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http://dx.doi.org/10...
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https://flore.unifi....
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The Sardinian dhole (Cynotherium sardous)1 was an iconic and unique canid species that was endemic to Sardinia and Corsica until it became extinct at the end of the Late Pleistocene.2-5 Given its peculiar dental morphology, small body size, and high level of endemism, several extant canids have been proposed as possible relatives of the Sardinian dhole, including the Asian dhole and African hunting dog ancestor.3,6-9 Morphometric analyses3,6,8-12 have failed to clarify the evolutionary relationship with other canids.We sequenced the genome of a ca-21,100-year-old Sardinian dhole in order to understand its genomic history and clarify its phylogenetic position. We found that it represents a separate taxon from all other living canids from Eurasia, Africa, and North America, and that the Sardinian dhole lineage diverged from the Asian dhole ca 885 ka. We additionally detected historical gene flow between the Sardinian and Asian dhole lineages, which ended approximately 500-300 ka, when the land bridge between Sardinia and mainland Italy was already broken, severing their population connectivity. Our sample showed low genome-wide diversity compared to other extant canids-probably a result of the long-term isolation-that could have contributed to the subsequent extinction of the Sardinian dhole.
- The Sardinian dhole (Cynotherium sardous) was an iconic and unique canid species that was endemic to Sardinia and Corsica until it became extinct at the end of the Late Pleistocene. Given its peculiar dental morphology, small body size, and high level of endemism, several extant canids have been proposed as possible relatives of the Sardinian dhole, including the Asian dhole and African hunting dog ancestor. Morphometric analyses have failed to clarify the evolutionary relationship with other canids.We sequenced the genome of a ca-21,100-year-old Sardinian dhole in order to understand its genomic history and clarify its phylogenetic position. We found that it represents a separate taxon from all other living canids from Eurasia, Africa, and North America, and that the Sardinian dhole lineage diverged from the Asian dhole ca 885 ka. We additionally detected historical gene flow between the Sardinian and Asian dhole lineages, which ended approximately 500-300 ka, when the land bridge between Sardinia and mainland Italy was already broken, severing their population connectivity. Our sample showed low genome-wide diversity compared to other extant canids—probably a result of the long-term isolation—that could have contributed to the subsequent extinction of the Sardinian dhole.
Ämnesord
- HUMANIORA -- Historia och arkeologi -- Arkeologi (hsv//swe)
- HUMANITIES -- History and Archaeology -- Archaeology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Genetik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Genetics (hsv//eng)
Nyckelord
- Sardinian dhole
- Admixture
- Cuon
- Cynotherium
- Canids
- Island biodiversity
- Ancient DNA
- Paleogenomics
- Canid evolution
- Extinction
- Biodiversity
- Evolution
- Sardinian dhole
- Cuon
- Cynotherium
- canids
- island biodiversity
- ancient DNA
- paleogenomics
- canid evolution
- extinction
- admixture
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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Ciucani, Marta M ...
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Jensen, Julie Kr ...
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Sinding, Mikkel- ...
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Smith, Oliver
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Lucenti, Saverio ...
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Rosengren, Erika
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visa fler...
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Rook, Lorenzo
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Tuveri, Caterine ...
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Arca, Marisa
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Cappellini, Enri ...
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Galaverni, Marco
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Randi, Ettore
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Guo, Chunxue
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Zhang, Guojie
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Sicheritz-Pontén ...
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Dalén, Love
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Gilbert, M Thoma ...
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Gopalakrishnan, ...
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Current biology ...
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