Odd-chain fatty acids have significant applications in biofuels and pharmaceutical industries. In this study, a yeast cell factory was engineered to produce odd-chain fatty acids and their derivatives. The threonine biosynthesis pathway was initially engineered to enable the de novo synthesis of odd-chain fatty acids, resulting in odd-chain fatty acids accounting for 24.7 % of the total fatty acids. Subsequently, silencing the native fatty acid synthase and introducing a fatty acid synthase from Rhodotorula toruloides, which exhibits higher affinity for propionyl-CoA than the native enzyme, increased the proportion of odd-chain fatty acids to 51.9 %. Further modifications to the lipid metabolism enabled the production of odd-chain free fatty acids (184.1 mg/L) and odd-chain triglycerides (75.2 mg/g). This study successfully shifted the metabolism of Saccharomyces cerevisiae from traditional even-chain fatty acids to a strain dominant in odd-chain fatty acids, demonstrating the potential to develop a novel platform strain for producing specific odd-chain fatty acids derivatives.
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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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