PAL — Solanum lycopersicum

Summary

SOLYC09G007900.4 (PAL5) encodes a phenylalanine ammonia-lyase, an enzyme with ammonia-lyase activity. In tomato, PAL5 is associated with fruit shelf life, chilling tolerance, and abiotic stress responses, as well as phenolic compound metabolism. The gene is linked to the breakdown of salicylic acid and L-phenylalanine, regulation of flavonoid and pigment biosynthesis, lignin metabolism, wound healing, and photoprotection. Associations extend to traits including lycopene and neoxanthin content, photosynthetic rate, stomatal resistance, plant height, leaf angle, and starch content. PAL5 is also connected to disease resistance, pathogen and wound responses, anthocyanin accumulation, and tolerance to UV-B, salt, freezing, and copper stress. Studies of related genes in other species link the family to drought tolerance, heat tolerance, herbivore defense, and powdery mildew resistance.