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Published online 2 September 2002 | Nature | doi:10.1038/news020826-9
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Light switch turns genes on and off
Scientists have a new way to watch genes in action.
One plant can detect another up to a metre away by the light its leaves reflect. Now researchers have exploited this natural light-detection system to make a switch that turns genes on and off just when they want - creating a way of watching the effect of a gene at any time or place1.
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