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A GRAS transcription factor regulates far-red light responses via gibberellin-related compounds in Marchantia polymorpha.

Shimokawa E, Okabe M, Sun R, Kawamura S, Yoshitake Y, Yasui Y, Yamaoka S, Mashiguchi K, Yamaguchi S, Kohchi T. · 2026 · Plant Cell   research

doi:10.1093/plcell/koag188   PMID:42312603

Linked genes (1)  1 core 0 peripheral

Gene ID Name Evidence / Role Function (this paper)
Mp8g03980 MpGRAS10 experimental subject GRAS-family transcription factor required for far-red light responses, including hyponastic thallus growth and gametangiophore formation. Mpgras10 mutants are insensitive to ent-kaurenoic acid, placing MpGRAS10 downstream of KA biosynthesis in the pathway of the unidentified GA-related compound GAMp, and gain of function reproduces far-red responses under white light. It belongs to a GRAS clade with orthologs in bryophytes, lycophytes and ferns but not seed plants.