In fungi, the group III hybrid histidine kinases (HHK) act as important sensors to regulate osmoadaptation, hyphal growth, morphogenesis, conidia formation and virulence. They are molecular targets for antifungal agent fludioxonil. They typically have HAMP domain repeats at the NH2-terminus that are important for their activity. Interestingly, the numbers of HAMP domain vary among the orthologs from different genera. The orthologs from basidiomycetes harbor seven HAMP domains whereas those from yeast contain five HAMP domains. In order to understand the functioning of a seven-HAMP module, we have constructed a yeast-like chimera DhNik1-Tco1 containing seven HAMP domains. The functional characterization of this chimera in yeast Saccharomyces cerevisiae showed that the sixth HAMP domain played important regulatory role. Our results indicated that the negative regulation of histidine kinase activity by the penultimate HAMP domain could possibly be an evolutionarily conserved theme in the group III HHK containing different lengths of poly HAMP module.
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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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