We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePHYTOCHROME-INTERACTING FACTOR 1 Is a Critical bHLH Regulator of Chlorophyll BiosynthesisAuthorsHuq, Enamul; Al-Sady, Bassem; Hudson, Matthew; Kim, Chanhong; Apel, Klaus; Quail, Peter H.PublicationScience, 2004, Vol 305, Issue 5692, p1937ISSN0036-8075Publication typearticleDOI10.1126/science.1099728