Abstract:
:Wild boar (Sus scrofa) drastically colonized mainland Eurasia and North Africa, most likely from East Asia during the Plio-Pleistocene (2-1Mya). In recent studies, based on genome-wide information, it was hypothesized that wild boar did not replace the species it encountered, but instead exchanged genetic materials with them through admixture. The highly endangered pygmy hog (Porcula salvania) is the only suid species in mainland Eurasia known to have outlived this expansion, and therefore provides a unique opportunity to test this hybridization hypothesis. Analyses of pygmy hog genomes indicate that despite large phylogenetic divergence (~2 My), wild boar and pygmy hog did indeed interbreed as the former expanded across Eurasia. In addition, we also assess the taxonomic placement of the donor of another introgression, pertaining to a now-extinct species with a deep phylogenetic placement in the Suidae tree. Altogether, our analyses indicate that the rapid spread of wild boar was facilitated by inter-specific/inter-generic admixtures.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Liu L,Bosse M,Megens HJ,Frantz LAF,Lee YL,Irving-Pease EK,Narayan G,Groenen MAM,Madsen Odoi
10.1038/s41467-019-10017-2subject
Has Abstractpub_date
2019-04-30 00:00:00pages
1992issue
1issn
2041-1723pii
10.1038/s41467-019-10017-2journal_volume
10pub_type
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