Arabidopsis thaliana seedlings expressing bioluminescence, due to being genetically modified to bioluminesce in the presence of the plant hormone abscisic acid (ABA). There is no light source in this photo – the plants themselves are generating the light (there are in complete darkness).Preparing to take time-lapse photos of Arabidopsis thaliana seedlings with the luciferase gene to express bioluminescence. The plants are placed in this chamber, which allows for complete darkness
