MYB1 — Solanum lycopersicum

Summary

SlMYB90 (MYB1, MYB113) on tomato chromosome 10 encodes a transcription factor with a Myb/SANT domain that binds DNA and cis-regulatory regions. The gene is associated with flavonoid and secondary metabolism, positive regulation of anthocyanin anabolism, pigmentation, photoprotection, shade avoidance, hormone anabolism, organogenesis, regulation of leaf development, regeneration, citrate transport, and green leaf volatile biosynthetic process. It localises to the nucleus. Associations with fruit type, fruit color, fruit storage life, petal color, germination rate, photosynthetic rate, chlorophyll content, drought tolerance, sesquiterpene accumulation, pest tolerance, disease resistance, trichome formation, antioxidant capacity, sugar content, and citric acid content have been reported. Related genes in other species link the family to anthocyanin accumulation, cotyledon color, and root-specific anthocyanin pigmentation.