Tipping plant growth
Monday, December 19, 2011 - 15:21
in Biology & Nature
The growth of multicellular organisms is fueled not only by cell division but also by cell growth. Normally cells enlarge all over the surface. However, in many organisms, there are also specialized cells that grow only at their tip. How the necessary materials are delivered to the growing tip, is largely unknown. A new study now suggests that tip growth is not mediated by targeted trafficking to the growing site of the cell surface but rather depends on a specific recycling pathway.