CHS — Oryza sativa Japonica

Summary

OsCHS (OS10G0167900) on rice chromosome 10 encodes a type III polyketide synthase with chalcone/stilbene synthase domains, exhibiting naringenin-chalcone synthase, biphenyl synthase, and bisdemethoxycurcumin synthase activities, as well as acyltransferase and protein homodimerization activity. The gene is associated with flavonoid, anthocyanin, lignin, serotonin, polyketide, and sporopollenin biosynthesis, along with pollen exine formation, anther development, pigmentation, double fertilization, and detoxification. It has been linked to traits including flavonoid, anthocyanin, lignin, starch, chlorophyll, and monosaccharide content, as well as grain weight, root length, germination rate, heat tolerance, leaf color, and turgor pressure. Studies of related genes in other species connect the family to the EC numbers 2.3.1.211 and 2.3.1.74.