Additional file 2.
Figure S2. The viability of cells increased levels of RNase HI is reduced. Wild type cells carrying a ParaBAD rnhA expression plasmid (pECR15) show a growth defect that depends on the concentration of arabinose present in the growth medium. Even growth on glucose, which suppresses expression from the ParaBAD promoter, leads to a mild growth defect, presumably due to a combination of the high plasmid copy number and the leakiness of the ParaBAD promoter. Cells carrying a control plasmid (ParaBAD eCFP, pAST110) show no growth restriction.
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Stockum et al. BMC Microbiology 2012 12:26 doi:10.1186/1471-2180-12-26