Brainbow
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Brainbow is a process by which individual neurons in the brain can be distinguished from neighboring neurons using fluorescent proteins. By randomly expressing different ratios of red, green, and blue derivatives of green fluorescent protein in individual neurons, it is possible to flag each neuron with a distinctive color. This process has been a major contribution to the field of neural connectomics.
The technique was originally developed in 2007 by a team led by Jeff W. Lichtman and Joshua R. Sanes, both at Harvard University. The original technique has been adapted for use with other model research organisms including the fruit fly (Drosophila melanogaster), zebrafish (Danio rerio), and Arabidopsis thaliana.
While earlier labeling techniques allowed for the mapping of only a few neurons, this new method allows more than 100 differently mapped neurons to be simultaneously and differentially illuminated in this manner. This leads to its characteristic multicolored appearance on imaging, earning its name and winning awards in science photography competitions.
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Brainbow - 2008-01-01 00:00:00
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