Genetic structure of pig breeds from Korea and China using microsatellite loci analysis.

摘要: To understand molecular genetic characteristics of Korean pigs, the relationships nine pig breeds including two pigs (Korean native and wild pig), three Chinese (Min pig, Xiang Wuzhishan four European (Berkshire, Duroc, Landrace, Yorkshire) were characterized from a 16-microsatellite loci analysis. The mean heterozygosity within ranged 0.494 to 0.703. Across multiple loci, significant deviation Hardy-Weinberg equilibrium was observed in most breeds, except for pig). This direction heterozygote deficit. population 36 144 significantly deviated (P < 0.05) equilibrium. FST, measure divergence among subpopulations, all indicated that 26.1% total variation could be attributed breed difference. Relationship trees based on Nei's DA distance scatter diagram principal component analysis consistently displayed pronounced differentiation pig. Individual assignment test using Bayesian method showed 100% success assigning individual into their correct origin exclusion alternative reference populations at P 0.001. These findings indicate has been experiencing progressive interbreeding with Western after originating North China black coat color. Considering close relationship such as Berkshire our can used valuable information preservation further improvement