Microtubules are needed for nuclear targeting of incoming Ad2. CLSM micrographs of texas red labeled Ad2 in HeLa cells treated with microtubule-directed drugs. Nuclear envelope is indicated by an anti-lamin A,B,C immunostaining (right panel). Modified from (1).
(1). Suomalainen, M., et al. (1999) J. Cell Biol 144: 657-672