Falbel, T. G., Koch, L. M., Nadeau, J. A., Segui-Simarro, J. M., Sack, F. D. and Bednarek, S. Y. Development130, 4011-4024.

An error in the title of this article was not corrected before going to press.

The title should read:

SCD1 is required for cytokinesis and polarized cell expansion in Arabidopsis thaliana

The authors apologise to readers for this mistake.