Watch proteins do the jitterbug!

The New York Timeshas posted this great video called “The Inner Life of the Cell”.

If you could shrink down to the size of a molecule and fly into a cell, what would you see?

In 2006, a team of scientists and illustrators offered a gorgeous answer in the form of a three-minute video called “The Inner Life of the Cell.” Nothing quite like it had ever been made before, and it proved to be a huge hit, broadcast by museums, universities and television programs around the world.

The video was a collaboration between BioVisions, a scientific visualization program at Harvard’s department of molecular and cellular biology, and Xvivo, a scientific animation company in Connecticut.

Delving into the scientific literature, the scientists and animators created a video about an immune cell. The cell rolls along the interior wall of a blood vessel until it detects signs of inflammation from a nearby infection.

NewImage

We dive into the cell to see what happens next. Molecules swim through the cell like dolphins, relaying the signal from the outside. Certain genes switch on, and the cell makes new proteins that are put into a blob called a vesicle. An oxlike protein called kinesin hauls the vesicle across the cell, walking along a molecular cable.

Once the vesicle reaches its destination, it releases its cargo. The new proteins cause the immune cell to stop rolling, and it flattens out and slips between the cells that make up the blood vessel wall so that it can seek out the infection.

“The Inner Life of the Cell” was made possible by advances on many scientific fronts.

In recent years, scientists have learned a great deal about the shapes of biological molecules, for example. They can use powerful computers to visualize the molecules in action.

Watch Proteins Do the Jitterbug NYTimes com

The video was so entrancing that it was easy to forget that it was not raw footage captured by some microscopic GoPro camera. It was a piece of art. The scientists and animators made choices about what to show, and how to show it.

For one thing, they left out just about all the proteins, giving the cell the look of a nearly empty ocean. “The interior of a cell is incredibly crowded,” said Michael Astrachan, the president and creative director of Xvivo.

Alain Viel, the director of undergraduate research at Harvard and a member of the BioVisions team, likened the inside of a cell to a rush-hour subway platform. “If there’s a big crowd in front of you, there’s a good chance you might not even see the train,” he said.

Dr. Viel and his colleagues also chose to show the proteins moving with a stately grace. Real proteins, by contrast, are perpetually quivering. They pick up bits of energy from water molecules that bump into them, and they crash into other proteins and bounce off cell membranes.

Read more.

Watch Proteins Do the Jitterbug NYTimes com


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