The haplotype-phased genome assembly facilitated the deciphering of the bud dormancy-related QTLs in Prunus mume.

ABSTRACT: Bud dormancy is a vital physiological process in woody perennials, facilitating their adaptation to seasonal environmental changes. Satisfying genotype-specific chilling requirements (CR) and heat requirements (HR) through exposure to specific chilling and warm temperatures is essential for dormancy release and the subsequent resumption of growth. The genetic mechanisms regulating bud dormancy traits in Prunus mume remain unclear. In this study, we first assembled the genome of 'Nanko', the leading P. mume cultivar in Japan, in a haplotype-resolved manner. Using an F1 segregating population from a cross between 'Nanko' (high-chill) and 'SC' (low-chill), a cultivar adapted to subtropical conditions, we identified quantitative trait loci (QTLs) for vegetative bud dormancy traits on chromosom

SUBMITTER: Hsiang TF 

PROVIDER: S-EPMC11747360 | biostudies-literature | 2024 Dec

REPOSITORIES: biostudies-literature