A combination of upstream alleles involved in rice heading hastens natural long-day responses.

ABSTRACT:

Background

The female parental line Jinbuol (JBO, early heading) and two recombinant isogenic lines, JSRIL1 and JSRIL2, have been shown to flower 44, 34 and 16 days earlier, respectively, than the male parental line Samgwang (SG, late heading) in paddy fields.

Objective

To explore how photoperiodicity-related genes are involved in differential heading among these lines.

Methods

Deep sequencing was conducted for these lines, photoperiodicity-related genes (71) were categorized, and qRT-PCR was performed for some key genes.

Results

Deep sequencing revealed a nearly even contribution of parental groups, with 48.5% and 45% of the chromosomes in JSRIL1 and JSRIL2, respectively, inherited from the female parent JBO; however, Chr6 contained the most biased parental co

SUBMITTER: Kim MS 

PROVIDER: S-EPMC11757646 | biostudies-literature | 2025 Feb

REPOSITORIES: biostudies-literature