Light microscope images of E. coli cells in transmitted light (left) and reflected light that picks up the red fluorescence of a dye staining the cells' DNA (right). In normal cells (upper panel ...

E. coli, listeria and salmonella bacteria have been making news, again, for sickening Americans. But what exactly are these ...

The team used a high-powered microscope system to simulate intestinal ... in our gut that are often considered harmful - like E. coli and salmonella. They are kept in check by other bacteria ...

This colorized 2006 scanning electron microscope image made available by the Centers for Disease Control and Prevention shows E. coli bacteria of the O157:H7 strain that produces a powerful toxin ...