PR5 — Nicotiana attenuata

Summary

A4A49_13514 (NaPR5) in Nicotiana attenuata encodes a pathogenesis-related protein 5 belonging to the thaumatin/osmotin-like superfamily. This gene is associated with defense responses, systemic acquired resistance, and responses to salicylate, ethylene, and abscisic acid. It is associated with programmed cell death, cell death, signal transduction, and posttranscriptional regulation of gene expression. Additional associations include cell wall biogenesis, secretion, digestion, ethylene anabolism, homeostasis, and responses to arachidonate, thirst, and salinity. The encoded protein is localized extracellularly. Related genes in other species encode thaumatin-like proteins, including pollen allergens and osmotin-like proteins. The gene has also been linked to leaf curling.