MYBS3 — Oryza sativa Indica Group

Summary

BGIOSGA003928 (MYBS3) on chromosome 1 of Indica rice encodes a R2R3-MYB transcription factor with DNA binding, transcription cis-regulatory region binding, protein homodimerization activity, and zinc binding. It is associated with post-embryonic plant organ morphogenesis, determination of dorsoventral asymmetry, cellular auxin homeostasis, pigmentation, anthocyanin anabolism, response to absence of light, green leaf volatile biosynthetic process, lateral root development, response to sucrose, leaf senescence, flower development, and responses to gibberellin, salicylate, and ethylene. The gene is linked to grain length, grain size, and hull color. Studies of related genes in other species connect the family to traits including grain yield, grain number, seed weight and size, heat and cold tolerance, chlorophyll and flavonoid content, leaf angle and shape, lignin and cellulose content, and heterosis.