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Bacillus subtilis cells are able to sense self-produced autoinducers, which gives rise to stronger quorum-sensing-mediated responses, in a process that can influence the generation of persisters during antibiotic treatment.
The surprising discovery of viable mutants that retain a peptidoglycan cell wall but lack the essential director of normal cytokinesis, FtsZ, reveals that Escherichia coli can proliferate in a completely unexpected manner.