NAC — Solanum lycopersicum

Summary

SlNAC (SOLYC06G060230.3) on tomato chromosome 6 encodes a NAC domain-containing transcription activator with DNA-binding and protein homodimerization activity. The gene is associated with resistance to Pseudomonas syringae and other bacterial pathogens, as well as diverse biological processes including carboxylic acid and chlorophyll a breakdown, apocarotenoid anabolism, GABA biosynthesis, salicylic acid breakdown, and regulation of root hair elongation. It has been linked to fruit ripening traits, fruit color, fruit weight and size, lycopene, carotenoid, flavonoid, glucose, starch, and amino acid content, photosynthetic and transpiration rates, cellulose content, brassinosteroid content, ethylene sensitivity, and responses to low temperature and biotic stress. The protein localizes to the nucleus and cytoplasm. Studies of related genes in other species link the family to drought tolerance, ABA sensitivity, and thermomemory.