Via Scoop.it – AnnBot
Jellyfish with blue fluorescence showing Green Fluorescent Proteins GFP in the Valencia aquarium. GFP genes from the jellfish are fused to the promoters or coding sequences of other genes and then the activity of these genes can be visualized by fluorescence microscopy, a technique that has become widespread in plant cell and molecular biology.
Near-full screen version: GFP Jellyfish