Active Microtubule Network

A friend of mine, Dan Chen, works on active microtubule systems and the results from his work have spawned a new project in the lab I work in. Microtubules are rigid rod-like filaments (think PVC pipes) that make up the “train tracks” for cargo transport inside the cell. Cargo is moved along the microtubules by motor proteins that more or less look like stick-figures that step along the tubes. If you attach two motors by their heads, instead of walking down the tubes, the double motor will make the two attached tubes slide past each other to make a chemically driven network that moves in a pretty mesmerizing way. Here is a video he captured using confocal microscopy! The microtubules are the bright rods that bundle together, and the motor proteins are too small to be seen.

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s