Correction to: Nature Chemical Biology https://doi.org/10.1038/s41589-020-0585-y, published online 17 June 2020

In the version of this News and Views originally published, the line structural rendering of the β-1,3-glucan on the right side of the figure did not accurately depict the stereochemistry of the sugars or their connectivity. This component of the figure has been replaced with a more precise rendering.