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. 2022 Mar 30;13:867195. doi: 10.3389/fimmu.2022.867195

Figure 2.

Figure 2

Vectors pAN71-ltak63-lysA(t) and pAN71-ltak63-lysA(c) used for the complementation of lysine auxotrophic strains. (A) In pAN71-ltak63-lysA(t) the lysA gene is in tandem with ltak63, including a Shine-Dalgarno sequence (SD) between the genes. (B) In pAN71-ltak63-lysA(c) the lysA gene is under the control of the pGrOEL promoter. The KanR site was truncated by restriction digestion with NsiI or ClaI, respectively and self- ligated. Both plasmids share the same features such as oriM and oriC, the pAN promoter and the ltak63 sequence.