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Modified Genes Triggered by Blue Light

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Crossing a bacterium’s viral defense system with a flower’s response to the sun yields a light-based trigger for genes. This type of control could enable deeper study of specific genes’ functions, create complex systems for growing tissue and perhaps healing technologies, according to researchers at Duke University. “This technology should allow a scientist to pick any gene on any chromosome and turn it on or off with light, which has the potential to transform what can be done with genetic engineering” said doctoral student Lauren Polstein. ...Read full article

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    Published: March 2015
    Glossary
    optogenetics
    A discipline that combines optics and genetics to enable the use of light to stimulate and control cells in living tissue, typically neurons, which have been genetically modified to respond to light. Only the cells that have been modified to include light-sensitive proteins will be under control of the light. The ability to selectively target cells gives researchers precise control. Using light to control the excitation, inhibition and signaling pathways of specific cells or groups of...
    BiophotonicsResearch & TechnologyAmericasNorth CarolinaDukeoptogeneticsLauren PolsteinCharles GersbachTech PulseBioScan

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