Ascomycetes
Ascomycetes
Ascomycetes (pronunciation: /ˌæskəˈmaɪsiːts/), also known as sac fungi, are a division of fungi that, together with the Basidiomycota, form the subkingdom Dikarya. Its members are commonly known as the sac fungi due to the distinctive ascus, a microscopic sexual structure in which nonmotile spores, called ascospores, are formed.
Etymology
The term "Ascomycetes" is derived from the Greek words "ἀσκός" (askos), meaning "sac" or "wineskin", and "mycetes" derived from "μύκης" (mykes), meaning "fungus". This refers to the unique characteristic of these fungi, which produce their spores in a special type of cell called an ascus.
Characteristics
Ascomycetes are characterized by a number of unique features, including the production of ascospores within the ascus, a sac-like structure. They are also known for their ability to form lichen, a symbiotic relationship between a fungus and an alga or cyanobacterium.
Classification
Ascomycetes are classified under the kingdom Fungi, subkingdom Dikarya, and division Ascomycota. They are further divided into three subgroups: Pezizomycotina, Saccharomycotina, and Taphrinomycotina.
Related Terms
- Ascus: A sac-like structure in which ascospores are formed.
- Ascospore: A type of spore produced within the ascus.
- Lichen: A symbiotic relationship between a fungus and an alga or cyanobacterium.
- Pezizomycotina: A subgroup of Ascomycetes.
- Saccharomycotina: A subgroup of Ascomycetes.
- Taphrinomycotina: A subgroup of Ascomycetes.
External links
- Medical encyclopedia article on Ascomycetes
- Wikipedia's article - Ascomycetes
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