The oleaginous yeast Cryptococcus curvatus is of industrial interest because it can accumulate triacylglycerols up to 60% of the cell dry weight. We are aiming at genetic modification of fatty acid biosynthesis for the production of tailor-made triacylglycerols in C. curvatus. As a first step in the development of a transformation and expression system a gene encoding the delta-9 fatty acid desaturase of C. curvatus (CBS 570) was cloned. The 1470 bp gene encodes a protein of 493 amino acids with a calculated molecular mass of 55 kDa. The gene shows strong similarity to previous cloned delta-9 desaturase genes from rat and Saccharomyces cerevisiae, 62 and 72%, respectively. Expression of the delta-9 desaturase gene was studied. Supplementation of the growth medium with oleic acid (C18:1(c9)) showed a strong repression (90%) on the mRNA level, while supplementation with petroselinic acid (C18:1(c6)) had no effect on the amount of mRNA.
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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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