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Carboxysomes, the carbon-fixation machinery of cyanobacteria, are equidistantly-positioned by dynamic gradients of the protein McdA on the nucleoid that emerge through interaction with a previously unidentified carboxysome factor, McdB.

Balanced peptidoglycan synthesis requires regulators, including sigma-I and WalKR, that coordinate the diffusive action of class A PBPs and the directional motion of the MreB-directed elongasome.

Class-A penicillin-binding proteins are dispensable for rod-like cell-shape but essential for mechanical integrity by sensing and repairing cell-wall defects locally, as investigated in the model system Escherichia coli.

Chromosome replication and a different inter-division process both contribute to division control during unperturbed growth, but if division is delayed by increasing cell width the inter-division process becomes solely rate-limiting.

A wide range of bacterial species can switch into a cell wall-free state that does not require the FtsZ-based division machinery to proliferate.

Reengineering the nucleotide-binding pocket of an extant ATPase to restore ancestral GTPase activity revealed an ATP-dependent intermediate required for function and suggested why the protein evolved to use ATP.

We are writing to comment on the article by Abrams et al., 2021 about appendage regeneration in jellyfish, fruit flies, and mice.

Environmental specialization of bacterial cell wall synthases influences intrinsic resistance to cell wall active antibiotics.