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Plant immunity induced by COS-OGA elicitor is a cumulative process that involves salicylic acid.

Plant Sci.. 2016-06; 
van Aubel G, Cambier P, Dieu M, Van Cutsem P.
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Catalog Products ... [10]. For comparison, plants were also similarly sprayed with 0.1% Tween 20 or with 5 ppm flg22 (GenScript) in combination with 0.1% Tween 20. Leaf samples were harvested 24 h after each treatment and ground in liquid nitrogen. 2.2. Peroxidase activity. ... Get A Quote

摘要

Plant innate immunity offers considerable opportunities for plant protection but beside flagellin and chitin, not many molecules and their receptors have been extensively characterized and very few have successfully reached the field. COS-OGA, an elicitor that combines cationic chitosan oligomers (COS) with anionic pectin oligomers (OGA), efficiently protected tomato (Solanum lycopersicum) grown in greenhouse against powdery mildew (Leveillula taurica). Leaf proteomic analysis of plants sprayed with COS-OGA showed accumulation of Pathogenesis-Related proteins (PR), especially subtilisin-like proteases. qRT-PCR confirmed upregulation of PR-proteins and salicylic acid (SA)-related genes while expression of jasmon... More

关键词

COS-OGA; Leveillula taurica; Plant immunity; SAR; Salicylic acid; Subtilisin-like proteases