NHX1 — Triticum aestivum

Summary

TRAESCS2A02G133600 (symbol NHX1) on bread wheat chromosome 2A encodes a cation/H+ exchanger transmembrane domain-containing protein with sodium:hydrogen exchanger and potassium:proton antiporter activity. The gene is associated with vacuolar membrane transport, cell pH regulation, sodium import, potassium ion membrane transport, activation of salinity response, and cellular homeostasis. It has been linked to vacuolar membrane and plasmalemma localisation, as well as hydrogen sulfide anabolism, melatonin anabolism, C4 photosynthesis, lipid metabolism, cell death, and signal transduction. Agronomically, NHX1 is associated with salinity tolerance, drought tolerance, leaf chlorophyll content, photosynthetic rate, stomatal resistance, seed germination, and tryptophan content.