Scientists have long thought that microtubules, part of the microscopic scaffolding that the cell uses to move things around in order to hold its shape and divide, originated from a tiny structure near the nucleus, called the centrosome.Now, researchers at Vanderbilt University Medical Center reveal a surprising new origin for these cellular “highways.” In the June issue of Developmental Cell, Irina Kaverina, Ph.D. [click link for full article]