PFG3 — Solanum lycopersicum

Summary

SlPFG3 (SOLYC01G079620.4) encodes a MYB-family transcription factor with sequence-specific DNA-binding activity, localised to the nucleus. In tomato, it is associated with the regulation of flavonol, flavonoid, anthocyanin, phlobaphene and pigment biosynthetic processes, as well as fruit abscission and hormone metabolism. The gene has been linked to numerous fruit quality traits including fruit weight, dry weight, firmness, shape, size, colour, and contents of lycopene, carotene, carotenoids, flavonoids, anthocyanins, and chlorophyll. Associations with leaf morphology and growth traits, drought tolerance, and salt tolerance have also been recorded. Studies of related genes in other species connect the family to flavonol accumulation, UV-B tolerance, and stress tolerance, though these functions are not yet established in tomato.