NHX1 — Capsicum annuum
Summary
CaNHX1 (T459_02928) on pepper chromosome 1 encodes a sodium/hydrogen exchanger belonging to the CPA1 cation/H⁺ exchanger family, with lithium:proton and potassium:proton antiporter activities. The gene is associated with vacuolar membrane transport, sodium import and export, potassium ion homeostasis, cell pH regulation, and responses to superoxide and abscisic acid. It localises to the tonoplast, vacuole, endosome, and chloroplast envelope. CaNHX1 is linked to yield, plant height, root development, photosynthetic rate, stomatal resistance, and disease tolerance. It is associated with sodium uptake, iron concentration, phosphorus uptake, and responses to high temperature and UV-B light. Studies of related genes in other species link the family to potassium accumulation, vacuolar pH homeostasis, heat and cold tolerance, seed germination, and biomass production.
Annotations
- Chromosome
- 1
- Related genes
- NHX1, NHX8, CEO, NHX3, SOS1, SNX1, NHX5, NHX6
- GO terms
- homeostasis, salinity response, sodium import, cell pH regulation, sodium:hydrogen exchanger, Response To Ozone, Programmed Cell Death, Potassium Ion Homeostasis
- Publications
- 19941154, 24337801, 27881680, 16132859, 22639643, 27940414, 30018156, 26353760
- Traits
- virescence, salt tolerance, phosphate uptake, salt stress tolerance, root-to-shoot communication, root-to-shoot long-distance signalling, circadian rhythm, heat tolerance