Most cells in your body come with two genetic libraries; one in the nucleus, and the other inside structures called mitochondria — also known as the ‘powerhouses of the cell’.
Until now, we’ve only had a way to make changes to one.
A combined effort by several research teams in the US has led to a process that could one day allow us to modify the instructions making up the cell’s ‘other’ genome, and potentially treat a range of conditions that affect how we power our bodies.
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