TOR, Raptor2 and S6K1 coordinately regulate galactolipid synthesis in rice.
S6K1 is regulated by TOR/Raptor2 to modulate thylakoid granum architecture.
TOR-Raptor2-S6K1 functions as upstream signaling for thylakoid membrane biogenesis.
TOR-Raptor2-S6K1 is involved in galactolipid anabolism in a transcriptional manner.