Genomic insights into local adaptation and phenotypic diversity of Wenchang chickens

Gu, Li-Hong; Wu, Ran-Ran; Zheng, Xin-Li; Fu, An; Xing, Zeng-Yang; Chen, Yi-Yong; He, Zhong-Chun; Lu, Li-Zhi; Qi, Yan-Tao; Chen, An-Hong; Zhang, Ya-Ping; Xu, Tie-Shan; Peng, Min-Sheng; Ma, Cheng

doi:10.1016/j.psj.2023.103376

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2024

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Cited by 3 publications

References 87 publications

(109 reference statements)

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A large-scale comparison of the meat quality characteristics of different chicken breeds in South China

Xiao,

Qi,

et al. 2024

Poultry Science

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A large-scale comparison of the meat quality characteristics of different chicken breeds in South China

Xiao,

Qi,

et al. 2024

Poultry Science

View full text Add to dashboard Cite

Genome-wide re-sequencing reveals selection signatures for important economic traits in Taihang chickens

Zhang,

Wang,

Zhang

et al. 2024

Poultry Science

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Waves of Colonization and Gene Flow in a Great Speciator

Gyllenhaal,

Brady,

DeCicco

et al. 2024

Preprint

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Secondary contact between previously allopatric lineages offers a test of reproductive isolating mechanisms that may have accrued in isolation. Such instances of contact can produce stable hybrid zones—where reproductive isolation can further develop via reinforcement or phenotypic displacement—or result in the lineages merging. Ongoing secondary contact is most visible in continental systems, where steady input from parental taxa can occur readily. In oceanic island systems, however, secondary contact between closely related species of birds is relatively rare. When observed on sufficiently small islands, relative to population size, secondary contact likely represents a recent phenomenon. Here, we examine the dynamics of a group of birds whose apparent widespread hybridization influenced Ernst Mayr’s foundational work on allopatric speciation: the whistlers of Fiji (Aves:Pachycephala). We demonstrate two clear instances of secondary contact within the Fijian archipelago, one resulting in a hybrid zone on a larger island, and the other resulting in a wholly admixed population on a smaller, adjacent island. We leveraged low genome-wide divergence in the hybrid zone to pinpoint a single genomic region associated with observed phenotypic differences. We use genomic data to present a new hypothesis that emphasizes rapid plumage evolution and post-divergence gene flow.

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Genomic insights into local adaptation and phenotypic diversity of Wenchang chickens

Cited by 3 publications

References 87 publications

A large-scale comparison of the meat quality characteristics of different chicken breeds in South China

A large-scale comparison of the meat quality characteristics of different chicken breeds in South China

Genome-wide re-sequencing reveals selection signatures for important economic traits in Taihang chickens

Waves of Colonization and Gene Flow in a Great Speciator

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