Microtubules and motor proteins: Mechanically regulated self-organization in vivo S. K. Vogel, N. Pavin, N. Maghelli, F. Jülicher and I. M. Tolić-Nørrelykke Eur. Phys. J. Special Topics, 178 (2009) 57-69 Published online: 21 April 2010 DOI: 10.1140/epjst/e2010-01182-6