An analysis of transformed cocoons. Morphology of the WT-1, FibH+/-, FibH-/-, WT-2, MaSp1+/-, and MaSp1+/+ cocoons. Scale bar represents 1 cm. Credit: Jun Xu
A team of researchers affiliated with several institutions in China has succeeded in using a gene editing technique to get silkworms to produce spider silk. In their paper published in Proceedings of the National Academy of Sciences, the group describes the technique they used and the quality of the silk produced.