yeast
Let an agent explain what yeasts are and how they are used in food, drink, industry and research, relay food safety and handling information, distinguish yeast senses and products, and route questions about yeast infections to clinicians.
Bundle → Layer → Finding → Questions Filled
4 bundles · 8 layers · 8 findings · 16 questions
Biology What yeast is.
Definition
Definition and kinds.
Definition
Definition.
- What are yeasts, and which kinds and species matter? definition
- Is the question about food yeast, laboratory yeast or a yeast infection, which needs a clinician? boundary
Metabolism
Fermentation.
Metabolism
Metabolism.
- How do yeasts ferment sugars, and what conditions affect them? definition
- Which entry fits fermentation? action
Use Food and drink.
Baking
Baking.
Baking
Baking.
- How is yeast used in baking, and how are fresh and dried forms handled? provenance
- Which entry fits bread? action
Brewing
Brewing and winemaking.
Brewing
Brewing.
- How are yeast strains used in beer, wine and spirits? provenance
- Which entry fits brewing? action
Science Research and industry.
Model
Model organism.
Model
Model.
- Why is yeast a model organism, and what has it revealed? provenance
- Which references are standard? provenance
Industry
Industrial biotechnology.
Industry
Industry.
- How are yeasts used to produce enzymes, medicines and biofuels? provenance
- Which entry fits industrial biotechnology? action
Context Safety and history.
Safety
Safety and regulation.
Safety
Safety.
- What food safety and biosafety rules apply to yeasts? provenance
- Which entry fits food safety? action
History
History.
History
History.
- How was yeast understood and domesticated, from ancient brewing to Pasteur? provenance
- Which entry fits the history of microbiology? action
Classifiers Filled
- Family
- Thing Registry
- Category
- Physical world and living systems
- Entry kind
- thing
- Plane
- PHY
- Domain
- PHY.LIV
- Other names and narrower kinds
- distiller's yeast, Dematiaceous molds, kefir grains, nutritional yeast, yeast in winemaking, Holy Leaven, Saccharomyces pastorianus, beer yeast
What it is Filled
Single-celled fungi that reproduce by budding or fission, of which the species Saccharomyces cerevisiae is used to leaven bread, brew beer and ferment wine, and is a model organism in genetics and cell biology; yeasts also include wild and industrial strains, nutritional yeast products, and species that cause infections such as Candida.
Why it exists Filled
Let an agent explain what yeasts are and how they are used in food, drink, industry and research, relay food safety and handling information, distinguish yeast senses and products, and route questions about yeast infections to clinicians.
Distinguishing features Filled
- Single-celled fungi
- Fermentation of sugars to alcohol and carbon dioxide
- Domesticated strains for food and drink
- Model organism status
What robots and AI may and may not do Filled
Must not
- Give personal medical advice on yeast infections in place of a clinician.
- Advise fermentation methods that skip hygiene or produce unsafe alcohol.
- Confuse food yeast with Candida in health information.
- Present nutritional yeast as a treatment or cure for disease.
Only with a human decision
- Any treatment decision for a suspected yeast infection.
May
- Explain how yeast leavens bread and ferments beer and wine.
- Help with baking and home fermentation within food safety guidance.
- Distinguish baker's yeast, nutritional yeast and yeasts that cause infections.
Moral aspects Filled
- Food safety in fermentation affects anyone who eats or drinks the product.
- Infections can carry stigma, and accurate information supports dignity.
Who is affected
- Bakers and brewers
- People who eat and drink fermented foods
- People with infections
Owners Filled
Steward
The person or business that holds it; culture collections keep reference strains.
Links to other meta-models Filled
parent
- Q764 - registry parent class
- Q908833 - registry parent class
related
- fungus - single-celled fungi
- raising agent - in baking
- Saccharomyces cerevisiae - the main species
- fermentation - the process
What else AI and robots need to interact with it Filled
Identity and identifiers required Filled
- Vercy registry: vr.tr.yeast
- Wikidata: Q45422 (https://www.wikidata.org/wiki/Q45422)
- taxon: Saccharomyces cerevisiae main species
- NCBI Taxonomy: 4932 for S. cerevisiae
Direct properties required Filled
- cell size: about 3-10 micrometres
- optimal fermentation temperature: about 25-35 degrees C - baking yeast
Recognition required Filled
- Single-celled budding fungus
- Sold as fresh, dried or nutritional yeast
- Moulds are filamentous fungi; kefir grains are a mixed culture
- Cream-coloured paste, granules or powder in commercial forms; single oval cells under the microscope.
Capabilities and actions required Filled
- explain biology and kinds
- explain uses in baking, brewing and winemaking
- explain the model organism role
- route infection questions to clinicians
Hazards and failure modes required Filled
- Fermentation failures in food and drink
- Contamination by wild yeasts
- Confusing food yeast with yeast infections
- Agents giving medical advice on infections
Standards and interfaces required Filled
- Food safety and labelling rules for yeast products
- Brewing and winemaking regulations
- Biosafety rules for laboratory strains
- Regulation of genetically modified yeasts
Context of use required Filled
- Leavening, fermentation, industrial production and research.
- baking yeast
- brewing and distilling yeasts
- wine yeasts
- nutritional and extract yeast products
- wild and non-Saccharomyces yeasts
- pathogenic yeasts such as Candida, a related but distinct concern
Sources Filled
- Wikidata item Q45422: yeast - identity and sense of the item
- Wikipedia: Yeast - general description of the item
Open questions
- Should S. cerevisiae be the primary entry?
- How should strain databases be linked?
- The registry entry has merged aliases for moulds, kefir grains and a religious leaven; should they be split off?
Machine files
Provenance
thing registry research (pass 2) · unreviewed
Built from: models/things/publications/thing-q45422/spec.json