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This scanning electron microscopic (SEM) image depicted large numbers of Staphylococcus aureus bacteria, which were found on the luminal surface of an indwelling catheter. Of importance is the sticky-looking substance woven between the round cocci bacteria, which was composed of polysaccharides, and is known as biofilm. This biofilm has been found to protect the bacteria that secrete the substance from attacks by antimicrobial agents such as antibiotics.
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Content Providers(s):CDC/ Rodney M. Donlan, Ph.D.; Janice Haney Carr
Creation Date:2005
Photo Credit:Janice Haney Carr
CDC Organization
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.