Hyena paleogenomes reveal a complex evolutionary history of cross-continental gene flow between spotted and cave hyena | Zendy

Michael V. Westbury | Zendy; Stefanie Hartmann | Zendy; Axel Barlow | Zendy; Michaela Preick | Zendy; Bogdan Ridush | Zendy; Doris Nagel | Zendy; Thomas Rathgeber | Zendy; Reinhard Ziegler | Zendy; Gennady Baryshnikov | Zendy; Guilian Sheng | Zendy; Arne Ludwig | Zendy; Ingrid Wiesel | Zendy; Love Dalén | Zendy; Faysal Bibi | Zendy; Lars Werdelin | Zendy; Rasmus Heller | Zendy; Michael Hofreiter | Zendy

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Hyena paleogenomes reveal a complex evolutionary history of cross-continental gene flow between spotted and cave hyena

Author(s) -

Michael V. Westbury,

Stefanie Hartmann,

Axel Barlow,

Michaela Preick,

Bogdan Ridush,

Doris Nagel,

Thomas Rathgeber,

Reinhard Ziegler,

Gennady Baryshnikov,

Guilian Sheng,

Arne Ludwig,

Ingrid Wiesel,

Love Dalén,

Faysal Bibi,

Lars Werdelin,

Rasmus Heller,

Michael Hofreiter

Publication year - 2020

Publication title -

science advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.928

H-Index - 146

ISSN - 2375-2548

DOI - 10.1126/sciadv.aay0456

Subject(s) - hyena , extant taxon , cave , evolutionary biology , gene flow , biology , geography , paleontology , ecology , gene , genetics , genetic variation

The genus (African spotted and Eurasian cave hyenas) includes several closely related extinct and extant lineages. The relationships among these lineages, however, are contentious. Through the generation of population-level paleogenomes from late Pleistocene Eurasian cave hyena and genomes from modern African spotted hyena, we reveal the cross-continental evolutionary relationships between these enigmatic hyena lineages. We find a deep divergence (~2.5 Ma) between African and Eurasian populations, suggesting that ancestral left Africa around the same time as early . Moreover, we find discordance between nuclear and mitochondrial phylogenies and evidence for bidirectional gene flow between African and Eurasian after the lineages split, which may have complicated prior taxonomic classifications. Last, we find a number of introgressed loci that attained high frequencies within the recipient lineage, suggesting some level of adaptive advantage from admixture.

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