AOS — Glycine max

Summary

GmAOS (GLYMA_14G078600V4) on soybean chromosome 14 encodes a cytochrome P450 enzyme with allene oxide synthase, colneleate synthase, allene-oxide cyclase, hydro-lyase, monooxygenase and oxidoreductase activities, and binds heme and iron. The product localises to the chloroplast envelope, thylakoid membrane, plastid, mitochondria and cytosol. GmAOS is associated with jasmonic acid and oxylipin biosynthesis, the epoxygenase P450 pathway, fatty acid and polyamine metabolism, seed germination, response to wounding, induced systemic resistance, innate immunity, response to fungi, virus-induced PTGS, and cellular detoxification. The gene has been linked to resistance to Sclerotinia sclerotiorum, salt tolerance, nectar secretion, somatic embryogenesis, male fertility and anther dehiscence, defence against insect herbivory and necrotrophic fungi, and hydrogen peroxide content. Related genes in other species are linked to wound signalling, herbivore defence, jasmonate production, stomatal closure, and tolerance to drought, heat, cadmium and osmotic stress.