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Limited Song Mixing Without Genomic Gene Flow in a Contact Zone Between Two Songbird Species
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- Wu, Lei (författare)
- Chinese Acad Sci, Inst Zool, Key Lab Zool Systemat & Evolut, Beijing, Peoples R China.;Univ Chinese Acad Sci, Beijing, Peoples R China.
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- Dang, Jing (författare)
- Chinese Acad Sci, Inst Zool, Key Lab Zool Systemat & Evolut, Beijing, Peoples R China.
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- Tang, Linfang (författare)
- Chinese Acad Sci, Inst Zool, Key Lab Zool Systemat & Evolut, Beijing, Peoples R China.
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- Chinese Acad Sci, Inst Zool, Key Lab Zool Systemat & Evolut, Beijing, Peoples R China;Univ Chinese Acad Sci, Beijing, Peoples R China. Chinese Acad Sci, Inst Zool, Key Lab Zool Systemat & Evolut, Beijing, Peoples R China. (creator_code:org_t)
- 2023-03-03
- 2023
- Engelska.
- Ingår i: Molecular biology and evolution. - : Oxford University Press. - 0737-4038 .- 1537-1719. ; 40:3
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
Stäng
- Song is considered to play an important role in the maintenance of prezygotic reproductive isolation between closely related songbird species. Therefore, song mixing in a contact zone between closely related species is often considered as evidence of hybridization. The Sichuan Leaf Warbler Phylloscopus forresti and the Gansu Leaf Warbler Phylloscopus kansuensis, which diverged 2 million years ago, have formed a contact zone in the south of the Gansu Province of China, where mixed songs have been observed. In this study, we investigated the potential causes and consequences of song mixing by integrating bioacoustic, morphological, mitochondrial, and genomic data with field ecological observations. We found that the two species display no apparent morphological differences, whereas their songs differ dramatically. We demonstrated that ∼11% of the males in the contact zone sang mixed songs. Two males singing mixed song were genotyped, and both were found to be P. kansuensis. Despite the presence of mixed singers, population genomic analyses detected no signs of recent gene flow between the two species, although two possible cases of mitochondrial introgression were identified. We conclude that the rather limited song mixing does not lead to, or result from, hybridization, and hence does not result in the breakdown of reproductive barriers between these cryptic species.
Ämnesord
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Genetik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Genetics (hsv//eng)
Nyckelord
- song mixing
- contact zone
- gene flow
- hybridization
- leaf warblers
- cryptic species
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- ref (ämneskategori)
- art (ämneskategori)
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- Molecular biology and evolution (Sök värdpublikationen i LIBRIS)
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- Wu, Lei
- Dang, Jing
- Tang, Linfang
- Cheng, Yalin
- Song, Gang
- Sun, Yuehua
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- Martens, Jochen
- Päckert, Martin
- Alström, Per, Pr ...
- Zhang, Dezhi
- Jia, Chenxi
- Lei, Fumin
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