You’ve seen algae-powered soft robotics that glow when squished, now observe a genetically modified pink plant that glows green, thanks to a fluorescent protein. This green fluorescent protein (GFP) was first isolated in jellyfish before being injected inside the cells of plants. When a black light (UV) was used, they were able to see GFP production in real-time.
They call this eYGFPuv, a modified form of a GFP-like protein, developed specifically for use in plants, to show that this new gene could be adopted by four different plant species: the smaller herbaceous Arabadopsis / tobacco as well as the large woody citrus and poplar. Chlorophyll typically appears red under UV light, so plants that without this genetic modification showed up in a pinkish hue under black light.
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In addition, our transformation experiments showed that eYGFPuv can also be used to select transgenic plants without antibiotics. This work demonstrates the feasibility of utilizing 1x eYGFPuv in studies of gene expression and plant transformation in diverse plants,” said Oak Ridge National Laboratory researchers.
