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. 2016 Oct 24;44(21):10515–10525. doi: 10.1093/nar/gkw981

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© The Author(s) 2016. Published by Oxford University Press on behalf of Nucleic Acids Research.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 7. — Transcriptional regulation of the wild type and mutant E. coli lsr operon promoters EP01rec and EP14rec. LW7 cells (ΔluxS) carries the single copy plasmids pLW11 (wild type), pPH01 (EP01rec) or pPH14 (EP14rec) expressing β-galactosidase. Panels (A) and (B) represent different time points during cell growth (2 and 4 h); aliquots were collected for measurement of OD₆₀₀ and β-galactosidase activity. The data displayed represent one of two comparable experiments performed independently. Data are plotted as means ± standard deviations of technical triplicates.