Cells use import machinery to export their goods as well
Thursday, July 2, 2009 - 16:56
in Biology & Nature
Cells use bubbles called vesicles to ferry cargo to and from the membrane. Scientists long believed that this importing and exporting were independent processes. But by imaging individual vesicles as they are fusing with the cell membrane, researchers reveal that these processes have a lot in common: Certain molecules handle cargo moving in both directions.