Phytochrome-interacting factor 1 is a critical bHLH regulator of chlorophyll biosynthesis.

Citation:

Huq E, Al-Sady B, Hudson M, Kim C, Apel K, Quail PH. Phytochrome-interacting factor 1 is a critical bHLH regulator of chlorophyll biosynthesis. Science. 305 (5692) :1937-41.