PA2 — Pisum sativum

Summary

PsPA2 (PA2) on chromosome CAADHX020004139.1 encodes a secretory haem peroxidase with lactoperoxidase activity and heme binding. In garden pea, this gene is associated with seed growth and development, flower development, cell division, and defense response to nematodes. It is linked to polyamine metabolism, amylopectin anabolism, hydrogen peroxide catabolism, carbohydrate metabolism, protein synthesis and breakdown, nitric oxide storage, homeostasis, and response to oxidative stress. The encoded protein localises to the vacuole, plant-type cell wall, Golgi complex, and extracellular space. PsPA2 has been connected to seed protein content, albumin content, nitrogen content, starch content, seed size, and plant height. Studies of related genes in other species link the family to peroxidase activity, lignin biosynthesis, cell elongation, flowering time, wound response, and nematode resistance.