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In vivo termination efficiency of designed T7 transcriptional terminators. a) A 2-plasmid system allows T7RNAP expression from an arabinose-inducible promoter and monitoring of T7RNAP-dependent transcription from a T7 promoter driving green (msfGFP) and red (mScarlet-I) fluorescent proteins. b) Error bars represent standard deviation from the mean. Different letters denote statistically significant differences (P < 0.05) according to a Tukey multiple comparison test.
