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Cladosporium
Wed, 08/19/2009 - 10:52 — aemtek
Genus:
Cladosporium
Distribution:
About 60 species reported worldwide, cosmopolitan, abundant.
Substrate:
Saprophytic, in soil, on leaf surface, food, textiles, seeds, fruit, and decaying plant materials.
Dispersal:
Dispersed by wind.
Indoor Occurance:
Very common in air, outdoors and indoors. Minimum water activity requirement = 0.85.
Allergenicity:
Commonly associated with allergic reactions, such as allergic rhinitis (hay fever), asthma, hypersensitivity pneumonitis.
Pathogenicity:
Nonpathogenic. The pathogenic species are now classified into Cladophialophora, which are mostly in tropical or subtropical regions.
Notes On Identification:
Spores distinguisable on spore trap and surface samples. Species identification requires mycological examination of sporulating cultures or molecular methods. Common species: C. cladosporioides, C. herbarum, C. macrocarpum, C. sphaerospermum. Conidia of
Teleomorph:
Mycosphaerella
Spore TrapIdentification:
Blastoconidia brownish, sub-ellipsoidal to subglobose, often irregularly or asymmetrically shaped, unicellular or bicellular, in branching chains, often with prominent black scars at the points of attachment. Cladosporium conidia can greatly variable in
SporeTrap:
Select