CHS — Oryza sativa Japonica

Summary

OsCHS (OS10G0177300) in rice encodes a type III polyketide synthase with chalcone/stilbene synthase domains, exhibiting naringenin-chalcone synthase and bisdemethoxycurcumin synthase activities, as well as acyltransferase and protein homodimerization activities. This gene is associated with the biosynthesis of chalcones, anthocyanins, lignin, serotonin, polyketides, and sporopollenin, and is linked to pigmentation, pollen wall assembly, anther development, and double fertilization. It has been connected to traits including flavonoid, anthocyanin, lignin, starch, and chlorophyll content, as well as grain weight, germination rate, root length, leaf color, monosaccharide content, turgor pressure, and heat tolerance. Studies of related genes in other species link the family to EC 2.3.1.74 and EC 2.3.1.211 activities.