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. 2018 Jan 23;8:1401. doi: 10.1038/s41598-018-19831-y

Figure 3.

Figure 3

The transcriptional level of reporter gene pGH in strains containing promoter variants and correlation of relative pGH expression level and relative mRNA transcript level. Transcript levels of variants were compared with wild-type promoter transformants, which is represented by the mean ± SD of three independent cultivations. Variants with stronger strength were marked with triangle. The transcriptional level of deletion variants were shown in (a) while the transcriptional levels of addition variants were shown in (b). (c): pGH expression levels correlated linearly with relative mRNA transcript levels with an R2 = 0.82.