ALS — Glycine max

Summary

GmALS (GLYMA_13G241000V4) encodes an acetolactate synthase (ALS) enzyme, also known as acetohydroxyacid synthase (AHAS), which contains thiamine pyrophosphate (TPP)-binding and FAD-binding domains. This enzyme is associated with acetolactate synthase activity, 2-hydroxyacyl-CoA lyase activity, and pyruvate decarboxylase activity, and is linked to branched-chain amino acid anabolism, valine anabolism, fatty acid alpha-oxidation, photorespiration, nitrogen fixation, nodulation, secondary metabolism, and lipid metabolism. The protein localises to the chloroplast stroma as part of the acetolactate synthase complex. GmALS is associated with herbicide tolerance, particularly through the G121A variant, and has been linked to seed weight, plant height, nitrogen content, and salt response. Studies of related genes in other species connect the family to resistance to sulfonylurea and imidazolinone herbicides, as well as to plant growth and seed production traits.