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Updated: Jan 26, 2026

A Strategy to Validate the Role of Callose-mediated Plasmodesmal Gating in the Tropic Response
Published on: April 17, 2016
Accumulating evidences of callose priming by indole- 3- carboxylic acid in response to Plectospharella cucumerina
J Pastor-Fernández1, V Pastor1, D Mateu1
1a Metabolic Integration and Cell SignallingGroup, Plant Physiology Section, Department of Ciencias Agrarias y del Medio Natural , Universitat Jaume I , Castellón de la Plana , Spain.
Abstract:
Indole-3-carboxylic acid (I3CA) is an indolic compound that induces resistance in Arabidopsis adult plants against the necrotrophic fungus Plectosphaerella cucumerina through primed callose accumulation. In this study, we confirm the relevance of ATL31 and SYP121 genes involved in vesicular trafficking in I3CA priming of defenses and we discard camalexin as a mediator of I3CA-induced resistance (IR) in adult plants. In addition, we observed that an intact I3CA biosynthetic pathway is necessary for I3CA-IR functionality.
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