London: Researchers have genetically inserted proteins from plants into mammalian cells, which glow when exposed to blue light - resulting in a novel ``on-off switch`` that could be used to control cell growth or death.
The team found that this interaction was reversible and could be triggered repeatedly with light exposure.The approach is expected to be applicable not only for studies in cultured cells and yeast, but also worms, fruit flies, mice and other model organisms.Eventually this method could allow researchers to test how cells in a tissue affect neighbouring cells in a tissue, to guide axon growth in neurons to repair brain tissue, or even to kill cancer cells. ANI
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