Figure 1From: Reduced evolvability of Escherichia coli MDS42, an IS-less cellular chassis for molecular and synthetic biology applicationsTransformants of pCTXVP60/MG1655 (A) and pCTXVP60/MDS42 (B) on LB plates containing chloramphenicol. Arrows indicate sectors of colonies that have arisen by outgrowth of cells harboring mutated plasmids.Back to article page