To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S1. Time-lapse experiment of D-TS3-PEPdiLK cells previously treated with 100 ng ml-1 ATc + 50 μM IPTG growing on a semi-solid surface without inducer; scale bar, 5 μm. Images were taken every 20 min. See Materials and Methods for more details. Synthetic gene-regulatory networks in the opportunistic human pathogen Streptococcus pneumoniae Robin A. Sorg, Clement Gallay, Laurye Van Maele, Jean-Claude Sirard, and Jan-Willem Veening PNAS. 2020. DOI: 10.1073/pnas.1920015117 Download Original Video Browse All Videos »