WRKY18 — Capsicum annuum

Summary

CaWRKY18 (T459_21650) on pepper chromosome 8 encodes a WRKY domain-containing transcription factor with sequence-specific DNA binding, transcription cis-regulatory region binding, and protein dimerization activities. It is associated with magnesium chelatase activity and localizes to the chloroplast inner membrane, magnesium chelatase complex, plastid, and plant-type vacuole. The gene is linked to regulation of photosynthesis light reactions, auxin biosynthesis, gibberellin metabolism, anthocyanin metabolism, thermomorphogenesis, and responses to red/far-red light. Associations with agronomic traits include submergence tolerance, relative shoot elongation under submergence, fruit set, leaf area, seedling cotyledon size, peduncle length, heterosis, phosphorus and nitrate uptake, transpiration rate, and responses to water stress, temperature stress, light intensity, and insect damage. It is also connected to bacterial wilt resistance, salt and osmotic stress tolerance, stomatal immunity, and seed germination.