Phytochrome a mediates rapid red light-induced phosphorylation of arabidopsis FAR-RED ELONGATED HYPOCOTYL1 in a low fluence response - Yunping Shen; Zhenzhen Zhou; Suhua Feng; Jigang Li; Anna Tan-Wilson; Li-Jia Qu; Haiyang Wang; Xing Wang Deng (Plant Cell, 2009)