The Bacillus subtilis circadian clock coordinates intricate spatiotemporal organisation

Jun 18, 2026Nature communications

The Bacillus subtilis internal clock controls complex timing and location patterns

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Abstract

Bacillus subtilis circadian clocks regulate colony expansion and gene expression organization.

  • The circadian clock influences the timing of developmental and differentiation processes in B. subtilis.
  • Gene expression within expanding colonies is coordinated by the clock according to specific phases of the day.
  • These findings suggest similarities between circadian regulation in non-photosynthetic bacteria and in multicellular organisms like plants and mammals.

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