PR1 — Triticum turgidum subsp. durum

Summary

TRITD2BV1G209060, designated PR1 on durum wheat chromosome 2B, encodes a pathogenesis-related protein 1. The product exhibits abscisic acid binding, nuclease, protein phosphatase inhibitor, hydrolase, and signaling receptor activities. It is associated with defense response, ABA signaling, ochratoxin A anabolism, conidia formation, mycotoxin anabolism, and morphogenesis, and localizes to the cytoplasm and nucleus. The gene is linked to resistance to corn earworm. Studies of related genes in other species connect the PR1 family to resistance to fall armyworm, European corn borer resistance, armyworm response, black point incidence, hydrogen peroxide content, anthocyanin and chlorophyll content, plant height, seed germination, grain yield, and salt tolerance.