Its assembly at the division site helps position and coordinate the divisome. Polymer dynamics organize membrane and cell-wall construction rather than supplying a complete independent cutting apparatus. Correct placement is necessary to partition a bacterial cell into viable descendants. [ref]
Molecular Biology of the Cell, 4th edition by Bruce Alberts and others. Chapters 3, 6 and 15, protein function, translation and cell signalling
New to topics? Read the docs here!