The wucai genome and DNA methylation regulation on the inner leaves' yellowing response to low temperature.

ABSTRACT: Wucai (Brassica rapa), a widely cultivated non-heading Chinese cabbage in autumn and winter in China, has been limited in its genetic and genomic analyses due to the lack of a reference genome. Here, we have assembled a high-quality chromosome-level genome assembly of wucai, which is 480.57 Mb in length, with a scaffold N50 of 46.53 Mb and a contig N50 of 4.45 Mb. We annotated 42 634 protein-coding genes in the B. rapa W7-2 genome and 55.08% of repetitive sequences. Additionally, we performed DNA methylome analysis to investigate the characteristic yellowing response of wucai inner leaves to low temperature. CHH methylation levels increased under low-temperature conditions, while a slight decrease was observed under normal temperatures with more hypo-differentially met

SUBMITTER: Yuan L 

PROVIDER: S-EPMC12680381 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature