We report a genome-wide transcriptomic study of Fusarium graminearum grown on four different substrates based on plant cell wall components. About 5% of the genes were differentially expressed in at least one condition. Analysis of upregulated cell wall-degrading enzymes highlights a sharp growth medium-specific adaptation process. In particular, the nature of the polysaccharides available for fungal growth induced a specific transcriptional response aiming at the targeted enzymatic degradation of the given polysaccharides.
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