DA2 — Triticum turgidum subsp. durum

Summary

TRITD6BV1G096950 (symbol DA2, also known as TtDA2, GW2 or YRG1) on durum wheat chromosome 6B encodes a RING-type zinc-finger protein with ubiquitin ligase activity. The gene is associated with regulation of seed size, organ growth, and cell division, and has been linked to amylopectin and starch anabolism, protein ubiquitination, and NO storage. Associations with grain yield, grain weight, grain size, amylose content, starch content, protein content, and grain filling period have been reported. The gene is also associated with cold stress response, lodging resistance, pathogen resistance, senescence, and nutritional quality. Related genes in other species are linked to seed size, cell proliferation, leaf senescence, and organ size control.