Antibiotic-induced degradation of FtsZ reveals distinct stages of Bacillus subtilis FtsZ ring assembly and constriction

ADEP antibiotics induce the degradation of the cell division protein FtsZ, thereby primarily depleting the cytoplasmic FtsZ pool that is needed for treadmilling FtsZ rings. We here studied the effect of ADEP on FtsZ ring formation. Our data reveal the disintegration of early FtsZ rings during ADEP treatment, while progressed FtsZ rings finalize cytokinesis, thus indicating different roles for FtsZ treadmilling during distinct stages of divisome assembly and constriction.

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