AFB1 — Cucumis melo

Summary

MELO3C007323.2 (CmAFB1) on melon chromosome 9 encodes a protein with F-box and leucine-rich repeat domains, annotated with auxin receptor activity, auxin binding, and NEDD8 transferase activity. The gene is associated with fruit ripening in melon and with a range of developmental and stress-related processes, including regulation of lateral root development, embryonic pattern specification, planar polarity establishment, and defense response via callose deposition. Associations extend to numerous traits such as seedling cotyledon size, biomass yield, seed yield, phototropism, temperature stress response, aluminum response, and herbicide sensitivity. The encoded protein localizes to the nuclear SCF ubiquitin ligase complex. Studies of related genes in other species link the family to auxin sensitivity, lateral root formation, inflorescence architecture, and fruit set development.