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Common “Mold” Spores: Ascospores

Common “Mold” Spores: Ascospores If you’ve ever sent in an air sampling cassette to evaluate your air for mold spores, you’ve seen the term ‘ascospores’ on the report. In the most technical sense, ascospores are spores that are produced from a fruiting body (called an ascomata) and are initially formed within a sac-like structure called an ascus. Each ascus always contains 8 identical ascospores. But what does this really mean? Today, we are taking a brief dive into the world of classifying fungi and going to do an overview of the Ascomycetes fungi, the largest and broadest group of fungi Read more
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Common Indoor Mold: Penicillium

Common Indoor Mold: Penicillium Most people are familiar with Penicillium, even if they don’t realize it. Penicillium is a common indoor mold and can frequently be found in your kitchen, colonizing fruit or bread. If you’ve ever left an orange around too long only to come back to it and find a green fuzzy mold on it, you’ve seen Penicillium. On lab media (and food), Penicillium mold is fast growing, powdery in texture, and often green or blue-green in color (Fig. 1), although some species can be whitish, yellow, gray or even reddish. There are over 200 species of Penicillium Read more