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Nature 447, 391-393 (24 May 2007) | doi:10.1038/447391a; Published online 23 May 2007

Molecular biology: RNA in control

Benjamin J. Blencowe1 & May Khanna1

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In bacteria, some messenger RNAs can sense the need for their protein product and accordingly regulate expression of their own genes. A similar type of RNA regulation has now been revealed in higher organisms.

The functional capacity of RNA, beyond its role in protein synthesis, frequently amazes, as examples of RNA-mediated gene regulation are continuously emerging. One type of such regulation found in bacteria involves RNA structures called riboswitches.

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