Mapping the living cell

To get a clear picture of what’s happening inside a cell, scientists need to know the locations of thousands of proteins and other molecules. MIT chemists have now developed a technique that can tag all of the proteins in a particular region of a cell, allowing them to more accurately map those proteins.

“That’s a holy grail for biology — to be able to get spatially and temporally resolved molecular maps of living cells,” says Alice Ting, the Ellen Swallow Richards Associate Professor of Chemistry at MIT. “We’re still really far from that goal, but the overarching motivation is to get closer to that goal.”

Mapping the living cell

MIT chemists have devised a way to identify which proteins are present in different compartments of the mitochondria. 
IMAGE: JEFF MARTELL, HYUN-WOO RHEE AND PENG ZOU

via Mapping the living cell – MIT News Office.

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