ArticleGenes2023
Analysis of the Selection Signal of the Tibetan Black Chicken Genome Based on Whole-Genome Sequencing.
Article in Genes, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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Who cites it
4 citing papers in PubMed, 5 citations in OpenAlex.
- Genome-wide association study of growth, carcass, and meat quality traits in Liangshan Yanying chickens.Poultry science · 2026Article
- Selection Signatures from RAD-Seq Reveal Candidate Genomic Regions Potentially Underlying Immune and Adaptive Traits in Southwest Chinese Local Chickens.Animals : an open access journal from MDPI · 2026Article
- The Genetic and Morphological Basis of Local Adaptation to Elevational Extremes in an Alpine Finch.Ecology and evolution · 2026Article
- Comparative genomics reveals common diversity and adaptation to harsh environments in the Arabian Peninsula indigenous chickens.Animal genetics · 2025Article
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Authors and funding
12 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe Tibetan chicken has adapted well to high altitudes genetically after its long-term habitation in the plateau. In this study, we analyzed the selection signal of Tibetan black chickens (TBCs) and discovered genes associated with the characteristics of germplasm.
methodsWhole-genome sequencing (WGS) was used to identify the single-nucleotide polymorphism (SNP) markers and genetic structures in the genome of Tibetan black chickens. Further, we performed a comparative population genomics analysis between the genomic data obtained in this present study and the genomic data for five wild red jungle fowls (RJFs) accessed from the NCBI database (GenBank accession number PRJNA241474). Thereafter, the Fst and
resultsA total of 9,490,690 SNPs were identified in the Tibetan black chickens. In addition, the results from the gene ontology (GO) analysis showed that 732 genes of TBCs were enriched in a total of 210 GO terms with specific molecular functions such as regulation of cellular catabolic process, the MAPK signaling pathway, regulation of ion transport, growth, morphogenesis and lung alveolus development which may provide a better mechanism to facilitate oxygen transport and utilization in TBCs. Moreover, the results from the KEGG analysis showed that 732 genes of the TBCs were significantly enriched in the calcium signaling pathway, circadian entrainment (
conclusionsIn summary, we found that selection mainly affects the disease resistance and cold acclimatization of Tibetan black chickens. Hence, these results may provide important genetic information for the evolution and breeding of Tibetan black chickens.
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