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Arthrinium
Wed, 08/19/2009 - 10:52 — aemtek
Genus:
Arthrinium
Distribution:
About 25 species reported, mostly in temperate regions.
Substrate:
Saprophytic on dead plant material, especially grasses and sedges, also isolated from soil, wood pulp and paper.
Dispersal:
Spores are dispersed by wind.
Indoor Occurance:
Occasionally found indoors on cellulose-based materials.
Allergenicity:
Arthrinium phaerospermum was reported as allergen.
Pathogenicity:
Arthrinium phaeospermum has been reported to cause cutaneous infections.
Notes On Identification:
Spores are distinguisable on spore trap and surface samples. Species identification requires mycological examination of aporulating cultures.
Teleomorph:
Apiospora
Spore Types:
Conidia.
Spore TrapIdentification:
Conidia large, brown or dark brown,unicellular, distinctively lens or lentil shaped, frequently flattened and with a hyaline rim or germ slit, smooth, some times in dense clusters. Common species: A. phaeospermum, conidia 8-12 x 5-7 µm, lenticular, dark g
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