AAC1 — Brachypodium distachyon

Summary

BdAAC1 (BRADI_3G30710V3) on Brachypodium distachyon chromosome 3 encodes a protein with actin/actin-like and ATPase domains that is a structural constituent of the cytoskeleton and binds actin, F-actin, profilin, phospholipids, and protein kinases. It also exhibits protein phosphatase and transglycosidase activities. The gene is associated with diverse biological processes including actin filament-based processes, cytoskeleton organization, chemotaxis, biofilm formation, and responses to trehalose. It localizes to the actin cytoskeleton, SCAR complex, Golgi membrane, and Cul4-RING E3 ubiquitin ligase complex. BdAAC1 is linked to numerous agronomically relevant traits including seed morphology, root system architecture, vegetative and seedling vigor, leaf area, grain filling period, seed longevity, water stress response, nitrogen and potassium sensitivity, cadmium concentration, shoot branching, and responses to powdery mildew and aphids. Studies of related genes in other species connect the family to root hair development, cell division, and abiotic stress responses.