PT — Glycine max

Summary

GmPT (GLYMA_03G205900V4) on soybean chromosome 3 encodes a metallocarboxypeptidase with carboxypeptidase activity, containing peptidase M28 and TFR-like dimer domains. The gene is associated with negative regulation of gene silencing by miRNA, plant organ senescence, meristem cell maintenance, regulation of seed maturation, nitrogen fixation, Pi homeostasis, and response to salt. It localizes to the endoplasmic reticulum and plasmalemma. GmPT is linked to drought tolerance, leaf water potential, transpiration rate, stomatal resistance, grain weight, and biomass accumulation. Phenotypic associations include shoot regeneration, flowering time, leaf development, root architecture, stomatal development, cytokinin levels, freezing tolerance, and seed production. Studies of related genes in other species connect the family to shoot apical meristem size, photomorphogenesis, miRNA-mediated translational repression, cytokinin levels, and heat tolerance.