In our February issue, Steven Reiner describes how lymphocytes make use of a highly unusual type of division to create two different kinds of cells: effector and memory. Here, you can see this asymmetric cell division at work in the T-cell.
John Chang, who works with Reiner, captured this movie at 10X magnification of a T-cell after it received a signal to divide. The parent cell's CD8 markers are tagged with a green dye. Watch as only one of the daughter cells inherits that stain, identifying it as an effector cell.
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