"Brain cells glow with different colours under UV light in this image of the brainstem of a "Brainbow" mouse.
The trick is to add a piece of DNA containing the genes for several different fluorescent proteins to a mouse, along with a mechanism that randomly cuts out some of these genes when activated in brain cells. As a result, different brain cells produce different mixtures of fluorescent proteins, creating a kaleidoscope of colours. "
THIS IS SO PRETTY!
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