Bacterial Cytokinesis: FzlA Frizzes FtsZ Filaments for Fission Force

SummaryMost bacteria divide by assembling filaments of the tubulin-like protein FtsZ into a cytokinetic ring, which then constricts. A recent study suggests that Caulobacter crescentus uses a novel regulator, FzlA, to activate ring constriction by inducing helical bundles of FtsZ filaments.