NAC — Lactuca sativa

Summary

LsNAC (LSAT_V11C400225600) on lettuce chromosome 4 encodes a NAC domain-containing transcription activator with DNA-binding and protein homodimerization activity. It is associated with the positive regulation of leaf senescence, regulation of root hair elongation, anther development, photomorphogenesis, and responses to hypoxia, sucrose, salicylate, and fungi. The gene is linked to defence regulation against fungi, activation of salinity response, and downregulation of abscisic acid signalling. Traits connected to LsNAC include leaf length, plant width, photosynthetic rate, respiration rate, ethylene sensitivity, root thickness, disease tolerance, and brassinosteroid content. Phenotypes associated with the gene include abiotic stress tolerance, pathogen susceptibility, drought resistance, cadmium tolerance, thermomemory, and anthocyanin biosynthesis. Related genes in other species are linked to enhanced thermotolerance, ABA sensitivity, and resistance to Pseudomonas syringae.