ArticleFrontiers in genetics2025
Genomic analysis reveals genetic diversity and selection signatures of the Yantai Black pig during domestication and breeding.
Article in Frontiers in genetics, 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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Abstract
Objective: Yantai Black pig (YT), as a native population of the eastern China's Jiaodong Peninsula of Shandong province, characterized by coarse feeding tolerance, strong disease resistance, early sexual maturity, high litter size, and superior meat quality. However, the genetic characteristics and variations underlying its crucial economic traits remain poorly understood. Methods: In this study, we resequenced the whole genome of 17 YT individuals from distinctly different lineages breeding in three conservation farms to detect single nucleotide polymorphism (SNP) density, pairwise fixation index ( Results: Our findings revealed that YT has higher genomic diversity compared to Chinese partial indigenous pig populations and Western commercial pig populations, but lower diversity than Asian wild boars (AWB). Based on Conclusion: We characterized the genomic features and population structure and identified selection signals in genomic regions linked to important germplasm characteristics of YT. The insights gained from this study provide valuable references and a solid foundation for the preservation, breeding, and utilization of YT and its valuable genetic resources.
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