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The form of the ascus, the capsule which contains the sexual spores, is important for classification of the Ascomycota. There are four basic types of ascus. There are four basic types of ascus. A unitunicate-operculate ascus has a "lid", the Operculum , which breaks open when the spores are mature and allows the spores to escape.
There are 2000 identified genera and 30,000 species of Ascomycota. The unifying characteristic among these diverse groups is the presence of a reproductive structure known as the ascus, though in some cases it has a reduced role in the life cycle. Many ascomycetes are of commercial importance.
The ascus is a diagnostic morphological feature of the bryozoan suborder Ascophora (hence the name of the suborder). [1] It is a water-filled sac of frontal membrane opening (ascopore) at or near the zooid orifice.
There is a well-known myth about the word quiz that says that in 1791, a Dublin theatre owner named Richard Daly made a bet that he could introduce a word into the language within 24 hours. He then went out and hired a group of street children to write the word "quiz", which was a nonsense word , on walls around the city of Dublin .
The Mycocaliciaceae are a family of fungi in the order Mycocaliciales, comprising seven genera and approximately 90 species.Originally proposed in 1970 by Alexander Schmidt, the family is characterised by immersed thalli, stalked brown or black ascomata (fruiting bodies), and small cylindrical asci that release ascospores without forming a mazaedium.
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Ascus (Ancient Greek: Ἄσκος) was a giant from ancient Greek mythology, who in conjunction with Lycurgus of Thrace chained the god Dionysus and threw him into a river. The god Hermes (or, according to other tellings, Zeus ) rescued Dionysus, conquered (ἐδαμασεν) the giant, flayed him, and made a bag (ἄσκος) of his skin.
Annulatascus is a genus of fungi in the Annulatascaceae family of the Ascomycota.The relationship of this taxon to other taxa within the Sordariomycetes class is unknown (incertae sedis), and it has not yet been placed with certainty into any order. [2]