Nature Reviews Microbiology (2020) https://doi.org/10.1038/s41579-019-0322-2 Published online 11 February 2020

In Figure 1e of this Review, Hsp90 was incorrectly shown to inhibit calcineurin. The figure has been corrected to indicate that Hsp90 promotes the activity of calcineurin, and the figure legend has been amended accordingly in the HTML and PDF versions of the manuscript. The authors apologize to readers for this error.