Trying to understand cells' interior design

How do you imagine the interior of our cells? Often compared to tiny factories, cells found smart and sophisticated ways to organize their interiors. Most biological processes require cells to bring together structures such ...

Math shows how DNA twists, turns and unzips

If you've ever seen a picture of a DNA molecule, you probably saw it in its famous B-form: two strands coiling around each other in a right-handed fashion to form a double helix. But did you know that DNA can change its shape?

Deciphering potent DNA toxin's secrets

One of the most potent toxins known acts by welding the two strands of the famous double helix together in a unique fashion which foils the standard repair mechanisms cells use to protect their DNA.

Video imaging of single molecule DNA replication

Almost all life on Earth is based on DNA being copied, or replicated. Now for the first time scientists have been able to watch the replication of a single DNA molecule, with some surprising findings. For one thing, there's ...

A new approach to amplifying DNA

Analyzing DNA is useful for a number of vital applications. This includes diagnosis and monitoring of diseases, identification of criminals, and studying the function of a targeted segment of DNA. However, methods used for ...

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