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Table 3 Cells expressing SOS regulated genes in the wild type RW118

From: Genes regulated by the Escherichia coli SOS repressor LexA exhibit heterogenous expression

gfp transcriptional fusion % of intensely fluorescent cells Fluorescence threshold level* Cell count HI Distal Proximal
caa-gfp (pSC300) 0.62 41 15555 11.52 9.73
cna-gfp (pSC301) 0.51 41 9793 7.55 11.61
ce1a-gfp (pSC302) 0.48 41 12197 7.48 11.06
ce7a-gfp (pSC303) 1.55 41 9338 12.44 12.98
recA-gfp (pSC201) 3.1 57 8366 4.31  
lexA-gfp (pSC200) 1.48 57 5089 6.39 8.31
umuDC-gfp (pSC202) 0.09 31 2083 2.77  
  1. *Fluorescence threshold level is defined as the point of clear transition from basal level (large majority of cells) to high fluorescence intensity.
  2. Designated with regard to the ATG codon.