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  • Ciucani, Marta MariaUniversity of Copenhagen (författare)

Evolutionary history of the extinct Sardinian dhole

  • Artikel/kapitelEngelska2021

Förlag, utgivningsår, omfång ...

  • Elsevier BV,2021
  • 10 s.

Nummerbeteckningar

  • LIBRIS-ID:oai:lup.lub.lu.se:8b5d56b2-1913-44d8-af17-4798b216db62
  • https://lup.lub.lu.se/record/8b5d56b2-1913-44d8-af17-4798b216db62URI
  • https://doi.org/10.1016/j.cub.2021.09.059DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska &svenska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:art swepub-publicationtype
  • Ämneskategori:ref swepub-contenttype

Anmärkningar

  • 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 och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Jensen, Julie KragmoseTechnical University of Denmark (författare)
  • Sinding, Mikkel-Holger STrinity College Dublin (författare)
  • Smith, OliverUniversity of Copenhagen (författare)
  • Lucenti, Saverio BartoliniUniversity of Florence (författare)
  • Rosengren, ErikaLund 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(Swepub:lu)luhm-ekr (författare)
  • Rook, LorenzoUniversity of Florence (författare)
  • Tuveri, CaterinellaSoprintendenza Archeologia (författare)
  • Arca, MarisaSoprintendenza Archeologia (författare)
  • Cappellini, EnricoUniversity of Copenhagen (författare)
  • Galaverni, MarcoWWF Italy (författare)
  • Randi, EttoreAalborg University (författare)
  • Guo, ChunxueBeijing Genomics Institute (författare)
  • Zhang, GuojieBeijing Genomics Institute,University of Copenhagen (författare)
  • Sicheritz-Pontén, ThomasUniversity of Copenhagen,Asian Institute of Medicine, Science & Technology (AIMST University) (författare)
  • Dalén, LoveSwedish Museum of Natural History,Centre for Palaeogenetics(Swepub:lu)lo8440da (författare)
  • Gilbert, M Thomas PUniversity of Copenhagen (författare)
  • Gopalakrishnan, ShyamUniversity of Copenhagen (författare)
  • University of CopenhagenTechnical University of Denmark (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Current biology : CB: Elsevier BV31, s. 1-91879-04450960-9822

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