This week... Alternaria species
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Under The Scope
http://www.pureaircontrols.com/labserve/...
by Dr. Rajiv Sahay, EDLab Manager
Pure Air Control Services and the Environmental Diagnostics Laboratory are pleased to introduce "Under the Scope", a new section of theIEQ REVIEW. There are over 100,000 species of fungi. Many fungi are good and useful (edible mushrooms would be an example of these) while some cause problems (some fungi can injure plants and humans). Every week the IEQ Review will describe a specific microorganism, its morphological origin and potential health effects. If you would like to know about a specific organism and/or would like it published in The IEQ Review please email Dr. Rajiv Sahay with the Environmental Diagnostics Laboratory (EDL) at Pure Air Control Services laboratory@pureaircontrols.comThis week we will cover ... Alternaria species
Alternaria sp.is a rapidly growing fungus that produces a grayish-white colony that becomes greenish-black within five days, when incubated at 25oC (77oF). The hyphae, conidiophores, and conidia are pigmented olivaceous-brown (dematiaceous). It is found worldwide and is very common. It can be isolated from air, plants (Ablackspot@ of roses), foodstuffs, soil, carpets, and textiles. It can be an opportunistic human pathogen causing a hypersensitivity pneumonitis (woodworkers lung disease) and an immediate-type hypersensitivity-type I (IgE-mediated) extrinsic asthma and disease that is very common in individuals with atopic disease.
 For more information, contact:
Dr. Rajiv R. Sahay, EDLab Manger
(800) 422-7873 ext. 304
laboratory@pureaircontrols.com
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