ArticleAnimal bioscience2024
Characterisation of runs of homozygosity and inbreeding coefficients in the red-brown Korean native chickens.
Article in Animal bioscience, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 5 citations in OpenAlex.
- Genome-wide characterization of genetic diversity and population structure of the Chilean Mapuche fowl using DArTseq SNP markers.Poultry science · 2026Article
- Genome-wide analysis of inbreeding patterns and candidate genes for adaptation in indigenous chickens of Botswana.Poultry science · 2026Article
- Runs of homozygosity reveal candidate genes for economic traits in Danish Large White pigs.Archives animal breeding · 2026Article
- Pathogen purification and genetic characterization of SPF BWEL chicken population.Poultry science · 2025Article
- Uncovering genomic diversity and signatures of selection in red Angus × Chinese red steppe crossbred cattle population.Scientific reports · 2025Article
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6 authors at 1 institution in 1 country.
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Abstract
objectiveThe analysis of runs of homozygosity (ROH) has been applied to assess the level of inbreeding and identify selection signatures in various livestock species. The objectives of this study were to characterize the ROH pattern, estimate the rate of inbreeding, and identify signatures of selection in the red-brown Korean native chickens.
methodsThe Illumina 60K single nucleotide polymorphism chip data of 651 chickens was used in the analysis. Runs of homozygosity were analysed using the PLINK v1.9 software. Inbreeding coefficients were estimated using the GCTA software and their correlations were examined. Genomic regions with high levels of ROH were explored to identify selection signatures.
resultsA total of 32,176 ROH segments were detected in this study. The majority of the ROH segments were shorter than 4 Mb. The average ROH inbreeding coefficients (FROH) varied with the length of ROH segments. The means of inbreeding coefficients calculated from different methods were also variable. The correlations between different inbreeding coefficients were positive and highly variable (r = 0.18-1). Five ROH islands harbouring important quantitative trait loci were identified.
conclusionThis study assessed the level of inbreeding and patterns of homozygosity in Red-brown native Korean chickens. The results of this study suggest that the level of recent inbreeding is low which indicates substantial progress in the conservation of red-brown Korean native chickens. Additionally, Candidate genomic regions associated with important production traits were detected in homozygous regions.
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