PS1 — Asparagus officinalis

Summary

AoPS1 (PS1) on asparagus chromosome 7 encodes an uncharacterized protein with endopeptidase activity and protein-binding bridging function. The gene is associated with ectodomain cleavage, protein processing, memory, and response to heat. Its product localizes to the presenilin complex, Golgi-associated vesicles, intracellular membrane-bounded organelles, endoplasmic reticulum, plant-type vacuole, extracellular space, and nucleus. AoPS1 is linked to respiration rate, root mass density, photosynthetic rate, root hair elongation, phosphate starvation response, and phosphate utilization. Related genes in other species connect the family to presenilin and peptidase A22A domains, with associations to amylose content, net photosynthetic rate, transpiration rate, stomatal resistance, and photochemical quenching.