American Friends of Tel Aviv University

DNA needs a good editor

Published in Law and Health Weekly, January 16th, 2010

Imagine a huge spool of film containing thousands of sequences of random scenes. Without a talented editor, a screening would have no meaning.

The RNA "spools" that make up DNA in our genes need careful editing, too. Genes are composed of meaningful sequences, called exons, separated by meaningless junk sections called introns. In order for cells to produce RNA - the material that is required to create proteins that are vital for life - they must precisely remove meaningless introns and bind meaningful exons together, a process called "splicing".

How cells differentiate between what's useful and what's garbage in our complicated and messy genetic...

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Source: Law and Health Weekly (2010-01-16)

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