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An ascus (from Ancient Greek ἀσκός (askós) 'skin bag, wineskin'; pl.: asci) [1] is the sexual spore-bearing cell produced in ascomycete fungi. Each ascus usually contains eight ascospores (or octad), produced by meiosis followed, in most species, by a mitotic cell division.
There were 227 participants from 24 nations at the 2024 Quiz Olympiad. Some notable participants include Issa Schultz of Australia; Nico Pattyn, Ronny Swiggers, and Tom Trogh of Belgium; Dean Kotiga of Croatia; Pat Gibson and Paul Sinha of England; Tero Kalliolevo of Finland; Sebastian Jacoby and Sebastian Klussmann of Germany; Anne Hegerty and Barry Simmons of Scotland; and Victoria Groce of ...
[6] 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 Annulatascaceae are a family of fungi in the monotypic order Annulatascales of the class Sordariomycetes of the Ascomycota. [1] The family had not been assigned to any order, [2] until 2020 when it was placed with a new order Annulatascales M.J. D'souza, Maharachch.
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.
The generic name polyascus (poly "many" + ascus "bag") refers to the typical presence of multiple external sac-like female bodies, known as externae. In Polyascus species, these originate from asexual reproduction. [1]
A crozier is an anatomical feature of many fungi in the phylum Ascomycota that forms at the base of asci and looks like a hook-topped shepherd’s staff or stylized religious crosier. [1] [2] Croziers resemble and function similarly to clamp connections on the dikaryotic hyphae of Basidiomycota.
Recent figures indicate that there are more than 1.4 billion insects for each human on the planet, [27] or roughly 10 19 (10 quintillion) individual living insects on the earth at any given time. [28] An article in The New York Times claimed that the world holds 300 pounds of insects for every pound of humans. [28]