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Metabolomics to decipher the chemical defense of cereals against Fusarium graminearum and deoxynivalenol accumulation

Abstract : Fusarium graminearum is the causal agent of Fusarium head blight (FHB) and Gibberella ear rot (GER), two devastating diseases of wheat, barley, and maize. Furthermore, F. graminearum species can produce type B trichothecene mycotoxins that accumulate in grains. Use of FHB and GER resistant cultivars is one of the most promising strategies to reduce damage induced by F. graminearum. Combined with genetic approaches, metabolomic ones can provide powerful opportunities for plant breeding through the identification of resistant biomarker metabolites which have the advantage of integrating the genetic background and the influence of the environment. In the past decade, several metabolomics attempts have been made to decipher the chemical defense that cereals employ to counteract F. graminearum. By covering the major classes of metabolites that have been highlighted and addressing their potential role, this review demonstrates the complex and integrated network of events that cereals can orchestrate to resist to F. graminearum.
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Léa Gauthier, Vessela Atanasova-Penichon, Sylvain Chéreau, Florence Richard-Forget. Metabolomics to decipher the chemical defense of cereals against Fusarium graminearum and deoxynivalenol accumulation. International Journal of Molecular Sciences, MDPI, 2015, 16 (10), pp.24839-24872. ⟨10.3390/ijms161024839⟩. ⟨hal-02636758⟩

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