gramicidin-a and salicin

Salicylic acid (SA) is a plant hormone involved in a number of physiological responses including both local and systemic resistance of plants to pathogens. In Arabidopsis, SA is glucosylated to form either SA 2-O-β-d-glucose (SAG) or SA glucose ester (SGE). In this study, we show that SAG accumulates in the vacuole of Arabidopsis, while the majority of SGE was located outside the vacuole. The uptake of SAG by vacuolar membrane-enriched vesicles isolated from Arabidopsis was stimulated by the addition of MgATP and was inhibited by both vanadate (ABC transporter inhibitor) and bafilomycin A

Topics: Adenosine Triphosphate; Arabidopsis; Arbutin; ATP-Binding Cassette Transporters; Benzyl Alcohols; Carbon Radioisotopes; Chromatography, High Pressure Liquid; Glucose; Glucosides; Gramicidin; Intracellular Membranes; Kinetics; Metabolome; Protoplasts; Quercetin; Salicylic Acid; Time Factors; Transport Vesicles; Vacuolar Proton-Translocating ATPases; Vacuoles; Verapamil