There was an error published in J. Cell Sci. 123, 3447-3455.
An incorrect version of Fig. 2 was published. The correct version, showing the severing of microtubules, is given below, together with its legend.
Fig. 2.
Tubulin PTMs regulate diverse activities by affecting the activity of microtubule effectors. Tubulin modifications regulate diverse activities including motor protein movement, microtubule severing, microtubule-end polymerization and activity of +TIPs. See text for further details.
We apologise for this mistake.