An active starch degradation metabolism provides sugars for callose priming during Plectosphaerella cucumerina infection


Abstract: Plants soil drenched with indole-3-carboxylic acid display callose priming preceded with a more active starch catabolism. This process is mediated by beta-amylases and impaired in beta-amylase mutants. Vesicular trafficking directed by syntaxyns is also more active upon I3CA treatments. This suggests that amylases and syntaxins are relevant components of the pathway of callose priming.

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