Unlabelled: Four samples of Tibetan kefir grains (TK-ZJUJ 01-04) from Tibet and surrounding areas were investigated via phenotypic and genotypic methods to compare and analyze the diversity of culturable microflora among different origins. As a result, 4 genera of microorganisms from TK-ZJUJ01: Bacillus subtilis (2.9 × 10(7) cfu/mL), Lactococcus lactis (8.2 × 10(7) cfu/mL), Kluyveromyces marxianus (3.0 × 10(6) cfu/mL), Saccharomyces cerevisiae (9.0 × 10(6) cfu/mL); 4 genera from TK-ZJUJ02: Lactobacillus kefiri (1.0 × 10(8) cfu/mL), Pichia kudriavzevii (5.0 × 10(6) cfu/mL), K. marxianus (1.9 × 10(7) cfu/mL), Kazachstania unispora (6.2 × 10(7) cfu/mL); 6 genera from TK-ZJUJ03: Leuconostoc lactis (4.6 × 10(7) cfu/mL), L. lactis (3.0 × 10(7) cfu/mL), Lactobacillus plantarum (3.0 × 10(7) cfu/mL), K. unispora (3.0 × 10(6) cfu/mL), K. marxianus (2.0 × 10(6) cfu/mL), (1.7 × 10(7) cfu/mL); and 4 genera from TK-ZJUJ04: L. plantarum (1.8 × 10(7) cfu/mL), Acetobacter fabarum (5.0 × 10(6) cfu/mL), K. unispora (6.2 × 10(7) cfu/mL), Pichia guilliermondii (6.2 × 10(7) cfu/mL) were identified. Yeasts like P. kudriavzevii and P. guilliermondii isolated in this study were the first time reported in Tibetan kefir grains. For TK-ZJUJ 01-03, lactic acid bacteria were the major microorganisms, which accounted for more than 50% of all the microbial population, while for TK-ZJUJ04, the largest microbial group was yeasts which accounted for more than 50%. In a word, study of diversity and composition of microflora provided us theoretical foundation for further investigation and application of Tibetan kefir grains.
Practical application: This is the basic research in order to develop and industrialize a new kind of yogurt starter which is naturally formed microbiota with both lactic acid bacteria and yeasts in it.
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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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