class hemiascomycetes
Noun: A taxonomic class of fungi within the subdivision Ascomycotina. This class is characterized by the absence of ascocarps (fruiting bodies); instead, asci (spore-producing cells) are formed naked or directly from a single cell. It primarily includes yeasts (like Saccharomyces) and some plant-parasitic fungi.
The term "class Hemiascomycetes" is used in formal biological and mycological (fungal) classification. It names a specific group of fungi sharing distinct structural and reproductive characteristics. - The baker's yeast, Saccharomyces cerevisiae, belongs to the class Hemiascomycetes. - Fungi in the class Hemiascomycetes lack complex fruiting structures common in other ascomycetes.
- Taxonomic Context: In modern phylogenetic taxonomy, the traditional class "Hemiascomycetes" is often referred to as the "Saccharomycetes" or "Hemiascomycetidae," reflecting a more precise evolutionary grouping. However, "class Hemiascomycetes" remains a valid and widely recognized term in many texts.
- The traditional class Hemiascomycetes is now frequently treated as the class Saccharomycetes in molecular phylogenies.
- Hemiascomycetes (noun): The same term, often used without "class" when the taxonomic rank is clear from context.
- Hemiascomycetes are crucial for fermentation processes.
- Hemiascomycetous (adjective): Describing fungi belonging to this class.
- The hemiascomycetous yeast was isolated from the grape must.
- Saccharomycetes (noun): A modern taxonomic synonym often used for this group.
- Yeast fungi (noun, informal): A descriptive, non-taxonomic term highlighting the most prominent members.
The term "class Hemiascomycetes" has a single, specific meaning in scientific classification. It does not have general or figurative meanings outside of mycology and taxonomy.
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class of fungi in which no ascocarps are formed: yeasts and some plant parasites
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