Genome-wide Prediction and Analysis of the Secreted Proteins from the Pathogenic Fungus Causing Maize Stalk Rot
Fusarium kyushuense,one of the causal agents of maize stalk rot.To investigate the mechanism un-derlying the fungal pathogenicity,secreted proteins of F.kyushuense were predicted by combined using of SignalP 6.0,ProtComp 9.0,TMHMM 2.0,big-PI Predictor and TargetP 2.0 software based on the genome-wide of 12225 protein sequences.In this study,539 secreted proteins were verified,accounting for 4.41％of the total proteins pres-ent in the genome of F.kyushuense.In addition,the amino acids in the position-3 to-1 in the signal peptides were relatively conserved and the signal peptide cleavage site belonged to A-X-A type.The effector prediction results in-dicated that 264 secreted proteins might serve as potential effectors,which mainly involves the degradation of cell wall components.The CAZymes prediction results showed that 168 ones among F.kyushuense putative secreted pro-teins were carbohydrate-active enzymes.Finally,this dissertation provides some theoretical foundation to promote maize resistance breeding and disease management.
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