Constriction Rings in Dividing Bacteria (IMAGE)
Caption
In a rapidly dividing chain of bacterial cells (top), constriction rings that will pinch the cells in two appear in red. The red doughnut to the bottom right of the image is a constriction ring seen head on rather than from the side. In the middle, an image of the constriction rings (red) has been overlaid on one of the cell walls (green), The bottom image shows the constriction rings (red) and the bacterial DNA (blue). Scientists at Washington University in St. Louis are learning exactly how the bacteria control the assembly of the constriction rings and thus the timing of cell division.
Credit
Levin Lab
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