Magnified 20,000X, this colorized scanning electron micrograph (SEM) depicts a grouping of methicillin resistant Staphylococcus aureus (MRSA) bacteria.
These S. aureus bacteria are methicillin-resistant, and are from one of the first isolates in the U.S. that showed increased resistance to vancomycin as well. Note the increase in cell wall material seen as clumps on the organisms' surface.
Link to hi-res version:
Methicillin Resistant Staphylococcus Aureus (MRSA) : Created on September 9th, 2007. Last Modified on November 4th, 2009
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