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MDROs (Multidrug-resistant organisms) and Cleaning
"A common reason given for finding environmental contamination with an MDRO (Multidrug-resistant organism) was the lack of adherence to facility procedures for cleaning and disinfection ... monitoring for adherence to recommended environmental cleaning practices is an important determinant for success in controlling transmission of MDROs and other pathogens in the environment."
Infection Control Education Institute - Jan. 30, 2007
Aspergillus nidulans hyphae and sexual spores.Aspergillus nidulans (also known as Emericella nidulans) is a filamentous fungus that is the only member of the genus Aspergillus that forms sexual spores through meiosis (seen here in this image as large spores). A. nidulans is also a homothallic fungus, meaning it can form asexual spores by producing conidiphores that bear chains of asexual spores (conidia produced without a mating partner). Aspergillus species are common saprophytic molds that grow in household dust, soil, and decaying vegetable matter, including stale food. A. nidulans has been an important research organism for studying eukaryotic cell biology and has a long history of use for the study of a wide range of subjects including basic genetic problems (recombination, DNA repair, mutation), cell cycle control and pathogenesis, as well as metabolism of other Aspergillus species. A.nidulans produces the toxin, sterigmatocysin, which may lead to food contamination. Repeated inhalation of A.nidulans spores also causes allergic aspergillosis, a hypersensitive lung reaction in people who have asthma. Mycetoma (Madura foot) may result when this fungus infects subcutaneous tissue, bone and skin.
Magnification: x440
Copyright Dennis Kunkel Microscopy, Inc.
This image is the property of Dennis Kunkel and Dennis Kunkel Microscopy, Inc. The image is copyrighted and any reproduction without direct approval is expressly prohibited.
For permission to license and use this image, please contact Dennis Kunkel:
Dennis Kunkel Microscopy, Inc.
P.O. Box 2008
Kailua, HI 96734
Phone: 808-263-0583
Email: kunkel@denniskunkel.com
www.denniskunkel.com
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