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Plants Get the Blues

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AUTUM C. PYLANT, NEWS EDITOR, [email protected]

If you’ve ever left a plant out of the light and had it turn a bit yellow only to return it to the light and have it turn green again, then you’ve witnessed the “plant light switch” phenomenon. Plants have a built-in light-sensing system that responds to different times of day and to seasonal changes. Blue light plays a key role in activating plants’ responses. In fact, blue light has a revitalizing effect on plants capable of turning a light switch on and off, so to speak. Wild Arabidopsis on the left. Three mutant strains on the right. The mutant...Read full article

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    Published: January 2017
    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...
    PostscriptsLEDsRIKENUCLABiophotonicsCRY2CRYArabidopsisResearch & TechnologyeducationBIC1Minami MatsuioptogeneticscryptochromesLight SourcesAutum PylantAutum C. Pylantphotoreductionphotosynthesisplantlight switchTest & Measurementblue lightblues

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