TPS — Sorghum bicolor

Summary

SORBI_3007G055600, designated SbTPS (also known as TPS31 or TPS2), encodes a terpene synthase on sorghum chromosome 7. The product possesses multiple terpene synthase domains and exhibits a broad range of annotated catalytic activities, including sesquithujene, gamma-curcumene, alpha-zingiberene, beta-sesquiphellandrene, (-)-E-beta-caryophyllene, alpha-copaene, S-linalool, (4S)-limonene, and myrcene synthase activities, as well as isomerase activity and magnesium binding. SbTPS is associated with terpene, terpenoid, and diterpenoid metabolism and anabolism, and has been linked to defense responses against fungi. The gene is also associated with resistance. Studies of related genes in other species link the family to defense against brown planthopper and to traits such as grain number, grain yield, plant height, drought tolerance, and submergence tolerance.