Oster and his research group investigate the physics and chemistry behind great engineering mysteries of the natural world, from protein motors to cell motility to how bacteria form thriving populations that aren’t so different from ant colonies, or even human societies.
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Working with UC Berkeley professor Carlos Bustamante, researchers have also studied the motor that packs a virus’s DNA so tightly that it can be injected into a hijacked cell at ten times the pressure of a cork shooting out of a champagne bottle. And they’ve modeled the donut-shaped molecular motors that move along DNA strands during replication.