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File:Staphylococcus aureus, 50,000x, USDA, ARS, EMU.jpg


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Description Bacterial cells of Staphylococcus aureus, which is one of the causal agents of mastitis in dairy cows. Its large capsule protects the organism from attack by the cow's immunological defenses. This image was taken at 50,000X magnification on a Transmission Electron Microscope of a heavy-metal coated replica of a freeze dried sample, (TEM) Plate #.9514. Sourced from Plate #.9513's information.
Date 22 July 2006
Source Original source (dead link), a U. S. Department of Agriculture server. The image was published in NSF's newsletter. It was also published in: Davenport, R. John (2007-10-09). A shifting threat (PDF). Infection Research. Hemholtz and Stifterverband. Retrieved on 2009-03-31.
Author Eric Erbe, Christopher Pooley
( Reusing this file)
Public domain This image is in the public domain because it contains materials that originally came from the Agricultural Research Service, the research agency of the United States Department of Agriculture.

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