Spore Allergen

Chaetomium sp.

Origin: Isolated in soil, dung, paper, dead wood and leaves. Not very common on outdoor air samples. Is often found in indoor air, damp walls, carpets, etc.. Certain species are food contaminants, others are found in woody rotting vegetation, soil,and textiles. The species in air samples are not very common. They are part of the Ascomycota.

Health effects: Generally considered saprophytic. Reported that it may rarely cause allergies. Known to produce toxins which may have an effect on human health. Occasionally implicated in systemic and cutaneous phaeohyphomycosis.

Last Updated: 07 March 2007

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