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Aspergillus glaucus
Wed, 08/19/2009 - 10:52 — aemtek
Genus:
Aspergillus
Species:
glaucus
Distribution:
Abundant, with a worldwide distribution, more common in warm climates.
Substrate:
Mostly saprophytic, isolated from soil, decaying organic materials, and house dust.
Dispersal:
Conidia or chains of conidia easily become airborne and are dispersed by wind.
Indoor Occurance:
Xerophytic, capable of growing in various materials whose moisture contents are in equilibrium with relative humidity of 68-75%. Can be found in carpet and house dust.
Allergenicity:
Allergenic. (See record 6)
Pathogenicity:
Rarely. It may cause pulmonary or disseminated infection in immunocompromised people.
Notes On Identification:
Not distinctive on spore trap samples. Genus can be identified on surface or bulk samples if the entire sporulating structure is present. Species identification requires mycological examination of aporulating cultures or molecular methods.
Teleomorph:
Eurotium herbariorum
Spore Types:
Conidia mostly 5.0-7.5 µm in diameter, subglobose to ellipsoid, echinulate, in chains. Ascospores 5.0-7.5 x 3.5-5 µm, pale, lenticular, smooth to roughened, often with a broad equatorial crest.