We previously reported that Kluyveromyces marxianus YIT 8292 exhibited more potent hypocholesterolemic activity than other yeasts containing Saccharomyces cerevisiae . To clarify the reason for the higher hypocholesterolemic activity, we examined the side-chain structure of cell surface polysaccharide, mannan, of K. marxianus YIT 8292. The result shows that K. marxianus YIT 8292 had shorter alpha-(1,2)-linked oligomannosyl side chains and lower phosphate content in mannan than S. cerevisiae. The association between its structural features and hypocholesterolemic activity was investigated by comparing the hypocholesterolemic activities of S. cerevisiae mannan mutants in rats fed a high-cholesterol diet. S. cerevisiae mnn5 mutant with deficiencies in the phosphorylation and elongation of mannan side chains showed higher hypocholesterolemic activity than the wild-type strain. These results show that the side-chain length and phosphate contents of mannan affect hypocholesterolemic activity.
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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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