Researchers have shown that colored light can both activate and deactivate genes of gut bacteria in the intestines of worms. The research shows how optogenetic technology can be used to ...

We've all basked in the glow of different light bulbs: incandescent, fluorescent, halogen, neon, LED, and more. But a lamp that harbors living, light-emitting bacteria -- a biological bulb, if you ...

In 2005 he altered four genes in a strain of Escherichia coli bacteria, which gave the creatures the ability to respond to light and darkness by becoming lighter or darker in colour themselves ...