Scientists create glow-in-the-dark plants

Scientists say they have found a way to alter plants' DNA to make them glow in the dark.

(CNN)Fans of the "Avatar" movie will have long dreamed of lush jungles teeming with glowing plants.

But fluorescent foliage may no longer be the stuff of science fiction, as scientists have found a way to grow glow-in-the-dark plants, which radiate and maintain a mysterious green gleam for their whole life cycle.
Bioluminescence -- the emission of light by an organism -- occurs in a wide range of animals and microorganisms, including some fungi, insects, fish, marine invertebrates and bacteria.
    Some of the most famous examples of the phenomena include the flickering of fireflies, or the crashing of electric blue waves in tropical seas.
      After discovering that the bioluminescence found in some mushrooms was metabolically similar to some of the natural processes found in plants, scientists were able transfer DNA sequences into tobacco plants, causing them to give off a bright green glow. Researchers found that this glow lasted for the whole of the plant's life cycle, from seedling to maturity.
      By inserting DNA obtained from bioluminescent mushrooms, the scientists were able to create plants that sustained a greenish glow.
      "We show that you can transfer four genes from these glowing mushrooms into the plants -- and wire them into plant metabolisms -- so that the plants start to glow in the dark," Karen Sarkisyan, one of the lead authors of a study published in the journal Nature Biotechnology on Monday, told CNN.
      Unlike other luminescence technologies, he told CNN, the team's recent discovery would allow plants to glow in the dark without having to use external chemicals.
        The technology could be used for a variety of purposes, including the creation of decorative glowing plants and flowers, researchers said.
        Light radiating from the plants could also be used to study their inner workings -- researchers noticed flickering patterns and waves of light in the organisms, revealing plant behavior not usually seen.