ARF8 — Brassica juncea

Summary

BJUA07G23420S (BjARF17, also known as ARF8) on chromosome A07 of Indian mustard encodes an auxin response factor family protein with a B3 DNA-binding domain and ARF domain, acting as a transcription corepressor that binds dsDNA and cis-regulatory regions. This gene is associated with auxin and jasmonic acid signaling, gibberellic acid homeostasis, and the regulation of anther dehiscence, pollen wall assembly, callose deposition, and adventitious root development. It has been linked to lateral root formation, root cap development, leaf development, vascular tissue pattern specification, and embryo shoot apical meristem specification. Associations with disease tolerance, heat tolerance, seed germination, and plant growth and development traits have been noted. Studies of related genes in other species connect the family to callose synthesis, adventitious root initiation, and Fusarium wilt resistance. The protein localizes to the nucleus and cytoplasm.