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Scopulariopsis brevicaulis . Scopulariopsis is a genus of anamorphic fungi that are saprobic and pathogenic to animals. [1] The widespread genus contains 22 species. [2] Scopulariopsis belongs to the group Hyphomycetes. These species are commonly found in soil, decaying wood, and various other plant and animal products.
[1] [2] It is the teleomorph form of Scopulariopsis brevicaulis. Microascus brevicaulis occurs world-wide as a saprotroph in soil, a common agent of biodeterioration, an irregular plant pathogen, and an occasional agent of human nail infection. [3] [4]
Other Scopulariopsis species have been associated with nail infection and keratitis (S. brevicaulis), and brain abscess and hypersensitivity pneumonitis (S. brumptii). [6] A case of disseminated infection caused by Scopulariopsis species in a 17-year old patient with chronic myelogenous leukemia was described in 1987. [5]
Microascaceae species have spherical to irregularly shaped, darkly colored fruit bodies.They are usually hairy and rarely smooth. The smooth spores are reddish brown to copper colored, one-celled, and have a germ pore at one or both ends.
The anamorphs of the family Microascaceae produce percurrently proliferating conidiogenous cells (annellides) and sometimes chlamydospore-like or aleurioconidial synanamorphs; these are classified mostly in the genera Scopulariopsis, Graphium and Scedosporium. [6]
Magnified view of Scopulariopsis brevicaulis, its annellides, and the ring-shaped annellations emanating from them A type of blastic conidiogenesis. The conidiogenous cell (also called an annellide) produces a basipetal sequence of conidia called annelloconidia or annellospores. The distal end is marked by ring-shaped bands called annellations.
It was introduced by Luttrell (1951) to accommodate genus Microascus which was originally placed in family Ophiostomataceae (Nannfeldt 1932, [3]) or Eurotiaceae in Eunotiales order, (Moreau and Moreau 1953; [4] Emmons and Dodge 1931; [5] Doguet 1957). [6]
Cladosporium cladosporioides is a darkly pigmented mold that occurs world-wide on a wide range of materials both outdoors and indoors.. It is known for its role in the decomposition of organic matter and its presence in indoor and outdoor environments.