Locked down, RNA editing yields odd fly behavior

Because a function of RNA is to be translated as the genetic instructions for the protein-making machinery of cells, RNA editing is the body's way of fine-tuning the proteins it produces, allowing us to adapt. The enzyme ADAR, which does this editing job in the nervous system of creatures ranging from mice to men, even edits itself. In a new study that examined the self-editing process and locked it down at two extremes in fruit flies, Brown University scientists found some surprising insights into how this "fine-tuning of the fine-tuner" happens, including bizarre behavioral effects that come about when the self-editor can't edit.

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