Identification of genetic diversity and specificity in Jiading white broad bean based on SNP markers
In order to reveal the genetic characteristics of Jiading white broad bean at the genomic level,the genetic diversity of Jiading broad bean germplasm and its genetic differences with other sources of broad bean germplasm were studied based on simplified genome sequencing technology.Principal component analysis,cluster analysis,and population genetic structure analysis were conducted using detected SNPs.The results showed that principal component analysis could roughly distinguish Jiading materials from other materials.Cluster analysis divided these 142 materials into three clusters:Shanghai Jiading,Shanghai others,and other provincial materials.Population genetic structure analysis significantly distinguished Jiading materials from other materials.Eighteen SNP markers with high differentiation between Jiading and other materials were further screened from the above SNPs and evenly distributed on 6 pairs of chromosomes.These SNPs were used to accurately identify(with an accuracy rate of 78％)the core materials of Jiading white broad bean.This study could provide important technical support for the protection,research,and utilization of Jiading white broad bean germplasm resources.
万方数据
维普
