PIP2 — Brassica oleracea var. botrytis

Summary

BoPIP2, encoded by the gene BOLND125_C04P011540.1_BOLND125_V1 on chromosome 4 of cauliflower, is an aquaporin family protein with water channel activity and phospholipase D activity. It is associated with phosphatidic acid metabolism, hydrogen peroxide membrane transport, and regulation of stomatal closure. The gene has been linked to responses to desiccation, brassinosteroid, salicylate, aluminum, hypoxia, and bacteria, as well as circadian regulation of gene expression. Associations with agronomic traits include photosynthetic rate, root hair length, flowering time, vegetative growth time, cadmium concentration, cellulose content, and responses to salt, drought, freezing, and osmotic stress. It is also connected to disease tolerance, including downy mildew and powdery mildew responses, and to sodium uptake and phosphorus response. The protein localizes to the plasma membrane, plasmodesmata, vacuole, and endoplasmic reticulum.