Hairpins for switches

How does an organism know when it must produce a protein and in what amount? Clever control mechanisms are responsible for the regulation of protein biosynthesis. One such type of mechanism, discovered only a few years ago, is riboswitches, which function as a sort of "off" switch for the production of certain proteins.

If you want to include this story in your blog, copy and paste this formatted text:

<p><a href="http://www.physorg.com/news85159334.html">Hairpins for switches</a></p> <p>How does an organism know when it must produce a protein and in what amount? Clever control mechanisms are responsible for the regulation of protein biosynthesis. One such type of mechanism, discovered only a few years ago, is riboswitches, which function as a sort of "off" switch for the production of certain proteins.</p>