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 ...

The new technique, high-speed in-line force mapping (HS-iFM) has been used to characterize the mechanical properties and appearance of dividing E. coli cells at both high resolution and speed.

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In E. coli, the presence of certain group VIIIb transition metal compounds in concentrations of about 1–10 parts per million of the metal in the culture medium causes an inhibition of the cell ...