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. 2019 Mar 27;47(9):4638–4651. doi: 10.1093/nar/gkz187

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© The Author(s) 2019. 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/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 4. — Effect of rifampicin on the infB mRNA levels before and after cold shock. (A) Variation of infB mRNA levels after addition of rifampicin to cells incubated at 37°C (▪). (B) infB mRNA levels in cold shocked cells treated with rifampicin (○) or not treated (•) at the onset of the cold acclimation as a function of time elapsed after rifampicin addition. (C) Variation of infB mRNA levels during cold acclimation in cells treated with rifampicin 90 min (△) and 180 min (▴) after the temperature downshift. The infB mRNA steady state level detected just before rifampicin addition is taken as 100%. The RNA mean half-lives (t_1/2 ± standard deviation) determined from this and from two similar experiments are given in the text.