The origin patterns, admixture, and selection signatures of the global gamecock populations.

Xufang Ren, Xiurong Zhao, Haiying Li, Huie Wang, Xue Cheng, Gang Wang, Xianyao Li, Lujiang Qu

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Article in Poultry science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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8 authors.

Xufang RenNational Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China.

Xiurong ZhaoNational Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China.

Haiying LiCollege of Animal Science, Xinjiang Agricultural University, Urumqi 830000, China.

Huie WangXinjiang Production and Construction Corps, Key Laboratory of Protection and Utilization of Biological Resources in Tarim Basin, Tarim University, Alar 843300, China.

Xue ChengNational Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China.

Gang WangNational Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China.

Xianyao LiCollege of Animal Science and Technology, Shandong Agricultural University, Taian 271018, China.

Lujiang QuNational Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China. Electronic address: quluj@163.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The gamecock is a special domestication product of chicken training for cockfighting. With the development of society, factors such as animal protection and social morality have led to a decline in the number of gamecocks. As a crucial category of genetic resources, more measures need to be taken for protection. In this study, we elucidated the origin patterns, admixture, and selection signatures of the global gamecock populations via genome resequencing data. Results suggested multiple origins of global gamecocks. Asian gamecocks have at least five distinct origins, whereas those from Europe and the Americas have a common origin. Admixtures widely occurred from gamecocks to commercial and local chickens. The influences of admixture events are mainly revealed in metabolism and immunity pathways. A total of twenty-four candidate genes were identified in gamecock populations. The TSNARE1 gene associated with emotion regulation and nervous system development, and two genes (the DGKB and GBE1) include specific variants, are regarded as important representatives which experienced strong selection during the domestication of the gamecocks. In summary, our study provides comprehensive genetic insights into the domestication of gamecocks worldwide and the utilization of gamecock genetic resources as breeding materials.

Indexed as

ChickensDomesticationGalliformesSelection, GeneticAnimalsAdmixtureGamecockGenome resequencingOriginSelection signature

Identifiers

PMID40946655

DOI10.1016/j.psj.2025.105738

PMCPMC12683124

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.