Marriage of convenience:  the motility of the modern cell may reflect an ancient symbiotic union.
Margulis
L
L
Botany Department, University of Massachusetts at Amherst, USA.
McMenamin
M
M
D000818:Animals; D001105:Archaea; D001419:Bacteria; D005075:Biological Evolution; D002468:Cell Physiological Phenomena; D004783:Environmental Microbiology; D005057:Eukaryotic Cells; D008163:Luminescent Measurements; D008870:Microtubules; D009068:Movement; D015388:Organelles; D013559:Symbiosis