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Panton-Valentine toxin

Panton-Valentine toxin

A617/0127

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Credit

DR MARK J. WINTER / SCIENCE PHOTO LIBRARY DR MARK J. WINTER / SCIENCE PHOTO LIBRARY

Caption

Panton-Valentine toxin. Computer artwork of the ribbon structure of a sub-unit of the Panton- Valentine leucocidin (PVL) toxin from the bacteria Staphylococcus aureus. This is the F sub-unit, it combines with a S sub-unit to form the toxin. The toxin targets white blood cells, part of the body's immune system. It makes pores in the white blood cell's membrane, causing the cell contents to leak, and thus killing the cell. This destruction of cells leads to skin and soft tissue infections. These are mainly abscesses, but it can also cause pneumonia. The toxin has been found in strains of the antibiotic-resistant MRSA (methicillin-resistant S. Aureus) bacteria.

Release details

Model release not required. Property release not required.

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