Cloning, sequencing and functional analysis of the Kluyveromyces lactis KlHEM12 gene and its upstream region are reported. The gene encodes for a protein that is highly homologous to uroporphyrinogen decarboxylases from different organisms and complements its mutation in Saccharomyces cerevisiae. Secondary structure prediction allows outlining a topology diagram which is compatible with a (beta/alpha)8-barrel structure. A K. lactis haploid strain carrying a null allele of KlHEM12 showed decreased growth in media not supplemented with hemin (ferriprotoporphyrin IX) and red-fluorescent colonies due to the accumulation of porphyrins. KlHEM12 expression was analysed by Northern blot and promoter fusion to the reporter lacZ gene. Transcription of this gene is not under heme or glucose repression and it is slightly induced by non-fermentable carbon sources through the Hap2/3/4/5 complex.
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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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