Time-resolved images showing growth and division of <i>B. subtilis</i> 1A700 vegetative cells using different media.

<p>Exponentially growing cells were spotted on 2.5% complex medium (TSB and LB shown in panel <b>A</b> and <b>B</b>, respectively) and 100% defined minimal (MOPS-buffered) medium (<b>C</b>), and followed in time using phase-contrast microscopy.