Journal Article] PHYTOCHROME-INTERACTING FACTORS PIF4 and PIF5 are implicated in the regulation of hypocotyl elongation in ... Journal Article] PHYTOCHROME-INTERACTING FACTORS PIF4 and PIF5 are implicated in the regulation of hypocotyl elongation in ... Journal Article] The circadian clock regulates the photoperiodic response of hypocotyl elongation through a coincidence ... Journal Article] The circadian clock regulates the photoperiodic response of hypocotyl elongation through acoincidence ...