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Impact of Cell Wall Composition on Maize Resistance to Pests and Diseases
Misión Biológica de Galicia (CSIC), Pontevedra E-36080, Spain
Current address: Department of Plant Physiology, Ume
* Author to whom correspondence should be addressed.
Received: 18 February 2013; in revised form: 19 March 2013 / Accepted: 20 March 2013 / Published: 27 March 2013
Abstract: In cereals, the primary cell wall is built of a skeleton of cellulosic microfibrils embedded in a matrix of hemicelluloses and smaller amounts of pectins, glycoproteins and hydroxycinnamates. Later, during secondary wall development, p-coumaryl, coniferyl and sinapyl alcohols are copolymerized to form mixed lignins. Several of these cell wall components show a determinative role in maize resistance to pest and diseases. However, defense mechanisms are very complex and vary among the same plant species, different tissues or even the same tissue at different developmental stages. Thus, it is important to highlight that the role of the cell wall components needs to be tested in diverse genotypes and specific tissues where the feeding or attacking by the pathogen takes place. Understanding the role of cell wall constituents as defense mechanisms may allow modifications of crops to withstand pests and diseases.
Keywords: maize (Zea mays L.); pests and diseases; cell wall; cellulose; arabinoxylans; hydroxycinnamates; lignin; ferulic acid; borer; maize weevil; ear and stalk rot; rust; leaf blight
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Cite This Article
MDPI and ACS Style
Santiago, R.; Barros-Rios, J.; Malvar, R.A. Impact of Cell Wall Composition on Maize Resistance to Pests and Diseases. Int. J. Mol. Sci. 2013, 14, 6960-6980.
Santiago R, Barros-Rios J, Malvar RA. Impact of Cell Wall Composition on Maize Resistance to Pests and Diseases. International Journal of Molecular Sciences. 2013; 14(4):6960-6980.
Santiago, Rogelio; Barros-Rios, Jaime; Malvar, Rosa A. 2013. "Impact of Cell Wall Composition on Maize Resistance to Pests and Diseases." Int. J. Mol. Sci. 14, no. 4: 6960-6980.