LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Pore forming bacterial toxin. Computer model showing the molecular structure of the bacterial toxin pneumolysin. Pneumolysin is a pore forming toxin (PFT) produced by the bacteria Streptococcus pneumoniae (pneumococcus). PFTs are proteins that are often cytotoxic (toxic to cells) as they create unregulated pores in the membrane of targeted cells. In the case of pneumolysin this can lead to pneumonia and other illnesses commonly associated with the pneumococcus bacteria.
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