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Role of Dehydrodiferulates in Maize Resistance to Pests and Diseases
Misión Biológica de Galicia (CSIC), Apartado 28, E-36080, Pontevedra (PC 36143), Spain
* Author to whom correspondence should be addressed.
Received: 15 January 2010 / Accepted: 4 February 2010 / Published: 9 February 2010
Abstract: Phenolic esters have attracted considerable interest due to the potential they offer for peroxidase catalysed cross-linking of cell wall polysaccharides. Particularly, feruloyl residues undergo radical coupling reactions that result in cross-linking (intra-/intermolecular) between polysaccharides, between polysaccharides and lignin and, between polysaccharides and proteins. This review addresses for the first time different studies in which it is established that cross-linking by dehydrodiferulates contributes to maize’s defences to pests and diseases. Dehydrodiferulate cross-links are involved in maize defence mechanisms against insects such as the European, Mediterranean, and tropical corn borers and, storage pest as the maize weevil. In addition, cross-links are also discussed to be involved in genetic resistance of maize to fungus diseases as Gibberella ear and stalk rot. Resistance against insects and fungus attending dehydrodiferulates could go hand in hand. Quantitative trait loci mapping for these cell wall components could be a useful tool for enhancing resistance to pest and diseases in future breeding programs.
Keywords: plant cell walls; ferulic acid; dehydrodimers; maize resistance-mechanism; corn borer; maize weevil; Gibberella ear; stalk rot
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Cite This Article
MDPI and ACS Style
Santiago, R.; Malvar, R.A. Role of Dehydrodiferulates in Maize Resistance to Pests and Diseases. Int. J. Mol. Sci. 2010, 11, 691-703.
Santiago R, Malvar RA. Role of Dehydrodiferulates in Maize Resistance to Pests and Diseases. International Journal of Molecular Sciences. 2010; 11(2):691-703.
Santiago, Rogelio; Malvar, Rosa A. 2010. "Role of Dehydrodiferulates in Maize Resistance to Pests and Diseases." Int. J. Mol. Sci. 11, no. 2: 691-703.