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The penicillin-binding protein PBP1b fortifies the Escherichia coli division site against osmotic rupture
Nature Microbiology, Published online: 03 July 2026; doi:10.1038/s41564-026-02403-6A specific isoform of PBP1b functions independently of the activator protein, LpoB, to drive generation of a wedge-like peptidoglycan structure that strengthens the division site in Escherichia coli.