Autophagy serves as a survival mechanism against starvation and has been reported to be important for cell growth and differentiation in eukaryotes. Here, we investigated the function of a cysteine protease BcAtg4 in the gray mold fungus Botrytis cinerea. Yeast complementation experiments revealed that Bcatg4 can functionally replace the counterpart of yeast. Subcellular localization exhibited that BcAtg4 diffused in cytoplasm at different developmental stages. Targeted gene deletion of Bcatg4 (ΔBcatg4) led to autophagy blocking and a significant retardation in growth and conidiation. In addition, ΔBcatg4 failed to form sclerotia. Infection tests demonstrated that ΔBcatg4 was severely attenuated in virulence on different host plant tissues. All of the phenotypic defects were restored by reintroducing an intact copy of Bcatg4 into ΔBcatg4. These results indicate that Bcatg4 plays multiple roles in the developmental processes and pathogenesis of B. cinerea.
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| Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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| Site | Modification | Modifier | Source | Reference |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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| Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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| Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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