Stop and go: ‘Traffic officer’ protein directs crucial step in cell division
Friday, July 6, 2012 - 08:00
in Biology & Nature
A traffic officer standing at a busy intersection directing the flow of vehicles may be a rare sight these days, but a similar scene appears to still frequently play out in our cells. A protein called Lem4 directs a crucial step of cell division by preventing the progress of one molecule while waving another through, scientists have found.