Researchers take cells from chrysalis and grow butterfly wings in the lab

A pair of researchers, one from Oxford University, the other with the Natural History Museum in London, has found a way to grow butterfly wings in their lab. In their paper published in Bioinspired, Biomimetic and Nanobiomaterials, Helen Townley and Andrew Parker describe the transparent nature of certain butterfly and beetle wings and their efforts to reproduce them using cell cultures to grow colored materials.

Many butterfly wings, it turns out, are not actually colored by pigments or dyes—instead, their wings are made of transparent three-dimensional structures that only appear to look the color they do because of the way they filter and bend light. Because of the small size and intricate nature of these structures, scientists, despite considerable effort, have been unable to reproduce them—they’d like to be able to do so, however, because it would mean creating coatings that would never fade. In this new effort, the researchers took a more natural route—they took cells from a blue morpho butterfly chrysalis and grew them in a dish in their lab. The effort proved fruitful, as the cells grew into fully formed forewings—the first time it’s ever been achieved in a lab. Via Researchers take cells from chrysalis and use them to grow butterfly wings in the lab.

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