Under the Scope
by Dr. Rajiv Sahay
Pure Air Control Services and the Environmental Diagnostics Laboratory are pleased to introduce "Under the Scope", a new section of the IEQ 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 ... Verticillium Verticillium is a widely distributed filamentous fungus that inhabits decaying vegetation and soil. Some Verticillium species may be pathogenic to arthropods, plants, and other fungi. It is commonly considered as a contaminant. Verticillium may very rarely cause human disease. Verticillium has been reported as a possible cause of keratitis in humans. Colonies of Verticillium grow moderately rapidly or rapidly. At 25°C and on potato dextrose agar, the colonies are velvety to wooly. From the front, the color is white initially and becomes yellowish, red, pinkish-brown, or green. From the reverse, it is white or brown (rust color).
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