MarpolBase - Spatial metabolomics as a new avenue in plant developmental biology: insights into serine biosynthesis during spermatogenesis in Marchantia polymorpha.

Spatial metabolomics as a new avenue in plant developmental biology: insights into serine biosynthesis during spermatogenesis in Marchantia polymorpha.

Tabeta H, Uzaki M, Hirai MY. · 2025 · Plant signaling & behavior research

Gene ID	Name	Evidence / Role	Function (this paper)
Mp8g16970	MpPGDH missing	experimental subject	Encodes 3-phosphoglycerate dehydrogenase, the key enzyme of the phosphorylated serine biosynthesis pathway. The Mppgdh knockout mutant, defective in sperm formation, was analyzed by spatial metabolomics, revealing local serine depletion in antheridial receptacles (cell-autonomous serine regulation) that whole-organ analysis had missed. MpPGDH is expressed in the middle area of antheridial receptacles.