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Paecilomyces sp. - Commonly found in soil and dust, less frequently in air.
P. variotii can cause paecilomycosis. Linked to wood-trimmers disease and
humidifier associated illnesses. They are reported to allergenic. Some members
of this genus are reported to cause pneumonia. It may produce arsine gas
if growing on arsenic substrate. This can occur on wallpapers covered with
paris green. |
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| Papulospora sp. - This fungi is found in soil,
textiles, decaying plants, manure, and paper. |
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| Penicillium sp. - Aw (water activity) 0.78 - 0.88.
A wide number of organisms have placed in this genera. Identification to species
is difficult. Often found in aerosol samples. Commonly found in soil, food,
cellulose, and grains (17, 5). It is also found in paint and compost piles.
It may cause hypersensitivity pneumonitis and allergic alveolitis in susceptible
individuals. It is reported to be allergenic (skin) (7, 17). It is commonly
found in carpet, wallpaper, and in interior fiberglass duct insulation (NC).
Some species can produce mycotoxins. Common cause of extrinsic asthma (immediate-type
hypersensitivity: type I). Acute symptoms include edema and bronchiospasms,
chronic cases may develop pulmonary emphysema. |
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| Periconia sp. - No information available, more
to come. |
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Phoma sp. - A common indoor air allergen. It
is similar to the early stages of growth of Chaetomium sp. The species are
isolated from soil and associated plants (particularly potatoes). Produces
pink and purple spots on painted walls (3, 17). It may have antigens which
cross-react with those of Alternaria sp. It will grow on butter, paint,
cement, and rubber. It may cause phaeohyphomycosis, a systematic or subcutaneous
disease.
Pithomyces sp. - Grows on dead grass in pastures. Causes facial eczema in
ruminants. |
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