Epistatic interactions between PHOTOPERIOD1, CONSTANS1 and CONSTANS2 modulate the photoperiodic response in wheat
- Shaw, Lindsay M.
- Li, Chengxia
- Woods, Daniel P.
- Alvarez, Maria A.
- Lin, Huiqiong
- Lau, Mei Y.
- Chen, Andrew
- Dubcovsky, Jorge
DOIAbstract
In Arabidopsis, CONSTANS (CO) integrates light and circadian clock signals to promote flowering under long days (LD). In the grasses, a duplication generated two paralogs designated as CONSTANS1 (CO1) and CONSTANS2 (CO2). Here we show that in tetraploid wheat plants grown under LD, combined loss-of-function mutations in the A and B-genome homeologs of CO1 and CO2 (co1 co2) result in a small (3 d) but significant (
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