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.
Research draft, second pass
A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.
written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify
Researched by: Claude
Purpose and description
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.
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.
What it is for: Leavening, fermentation, industrial production and research.
It can be explain biology and kinds; explain uses in baking, brewing and winemaking; explain the model organism role; route infection questions to clinicians.
Distinguishing features
Single-celled fungi
Fermentation of sugars to alcohol and carbon dioxide
Domesticated strains for food and drink
Model organism status
What it looks like
Cream-coloured paste, granules or powder in commercial forms; single oval cells under the microscope.
Physical character
cell size: about 3-10 micrometres
optimal fermentation temperature: about 25-35 degrees C - baking yeast
How it is recognised
Single-celled budding fungus
Sold as fresh, dried or nutritional yeast
Moulds are filamentous fungi; kefir grains are a mixed culture
Related models
is a kind of - single-celled fungi
is a kind of - in baking
includes - the main species
is used in - the process
In practice
Families and kinds
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
Identifiers
taxon Saccharomyces cerevisiae main species
NCBI Taxonomy 4932 for S. cerevisiae
Standards and regulation
Food safety and labelling rules for yeast products
Brewing and winemaking regulations
Biosafety rules for laboratory strains
Regulation of genetically modified yeasts
Failure modes and hazards
Fermentation failures in food and drink
Contamination by wild yeasts
Confusing food yeast with yeast infections
Agents giving medical advice on infections
Also called
Where this came from
wikidata · CC0 1.0
Also registered as vr.tr.yeast-plant
Drafted structure
Bundle to layer to finding to question, as the second pass will find it: 4 bundles · 8 layers · 8 findings · 16 questions.
Biology What yeast is.
Biology.
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.
Practice.
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.
Science.
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.
Context.
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
What the second pass must settle
- 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?