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Reversible Glc-conjugation/hydrolysis modulates the homeostasis of lunularic acid in Marchantia polymorpha growth.

Zhu TT, Xu YL, Ta H, Zhang JZ, Xu DD, Fu J, Hao Y, Du NH, Cheng AX, Lou HX. · 2025 · The Plant journal : for cell and molecular biology   research

doi:10.1111/tpj.17166   PMID:39625873

Linked genes (4)  3 core 1 peripheral

Gene ID Name Evidence / Role Function (this paper)
Mp2g13770 MpGH1.1 experimental subject beta-glucosidase characterized in vitro and in vivo as hydrolyzing LA-4'-O-glucoside to lunularic acid, contributing to reversible Glc-conjugation/hydrolysis buffering diurnal LA levels.
Mp5g17440 MpGH1.5 experimental subject beta-glucosidase shown in vitro and in vivo to hydrolyze LA-4'-O-glucoside back to lunularic acid, contributing to reversible LA homeostasis; interacts with MpUGT744A1 to ensure efficient metabolic flux.
Mp8g16750 MpUGT37 experimental subject Glucosyltransferase functionally characterized in vitro and in vivo as catalyzing Glc-conjugation of lunularic acid (LA) to LA-4'-O-glucoside; with MpBGLU2/3 drives reversible LA<->LA-GE conversion underlying diurnal LA homeostasis; physically interacts with MpBGLU2 for efficient metabolic flux.
— MpBGLU1 missing sequence comparator BGLU family member identified in the genome-wide MpBGLU survey; shares ~41% identity with MpBGLU2/3; not the functional focus of the paper.