Frequent germplasm exchanges drive the high genetic diversity of Chinese-cultivated common apricot germplasm.

ABSTRACT: The genetic diversity of germplasm is critical for exploring genetic and phenotypic resources and has important implications for crop-breeding sustainability and improvement. However, little is known about the factors that shape and maintain genetic diversity. Here, we assembled a high-quality chromosome-level reference of the Chinese common apricot 'Yinxiangbai', and we resequenced 180 apricot accessions that cover four major ecogeographical groups in China and other accessions from occidental countries. We concluded that Chinese-cultivated common apricot germplasms possessed much higher genetic diversity than those cultivated in Western countries. We also detected seven migration events among different apricot groups, where 27% of the genome was identified as being introgressed. Remarkab

SUBMITTER: Zhang Q 

PROVIDER: S-EPMC8484454 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature