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Mold (Cladosporium spp.) hyphae and spores

Image Number: 22234A

Caption:

Common environmental / allergenic mold (Cladosporium spp.); fungal hyphae producing spores. Synonym - Hormodendrum. This specimen was found on the inner surface of a buildings air supply duct. This genus is the most common outdoor airborne mold but may occur in homes. It is an allergenic mold producing over 10 different types of antigens. The spores are easily made airborne and are a common cause of respiratory problems. It is frequently found at elevated levels in water-damaged environments. The genus Cladosporium includes over 30 species. The most common ones include Cladosporium elatum, Cladosporium herbarum, Cladosporium sphaerospermum (common indoors), and Cladosporium cladosporioides. Cladosporium can cause mycosis and extrinsic asthma (immediate-type hypersensitivity: type I). Acute symptoms include edema and bronchiospasms, chronic cases may develop pulmonary emphysema. Certain species cause systemic fungal infections and has been documented in cases of blastomycosis, candidiasis, chromoblastomycosis, histoplasmosis, entomophthoramycocis, onychomycosis, sinusitis, pulmonary infections, phaeophphomycocis and keratomycosis. Cladosporium spp. can also be associated with the spoilage of refrigerated meats.

Keywords:

| 22234A 11.01.02 airborne mold allergen allergenic asthma blastomycosis bronchiospasm candidiasis chromoblastomycosis Cladosporium Cladosporium cladosporioides Cladosporium elatum Cladosporium herbarum Cladosporium sphaerospermum conidia conidiophore conidiospore conidiospores conidium Deuteromycete entomophthoramycocis eukaryote extrinsic asthma fungal infection fungal pathogen fungi fungi and slime molds Fungi Imperfecti fungus histoplasmosis Hormodendrum human disease hypha hyphae indoor mold keratomycosis mildew mycelia mycelium mycosis onychomycosis outdoor mold phaeophphomycocis pulmonary emphysema pulmonary infection sinusitis skin infection sporangia sporangium spore spores soil fungus SEM |

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