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. 2020 Jun 26;11:1445. doi: 10.3389/fmicb.2020.01445

FIGURE 3.

FIGURE 3

Verification of acnSP expression. A FLAG-tagged version of acnSP was expressed in strain pVZ322_AcnSP from its native promoter. 10 μg of protein were applied onto the SDS gel and FLAG-tagged proteins were detected with a commercially available antiserum. A specific signal was observed in the extracts of strain pVZ322_AcnSP but not in WT. Protein extracts of strain pVZ322-petE:hliR1 accumulating a FLAG-tagged version of the small protein HliR1 (Baumgartner et al., 2016) were included as positive control (M-protein size marker Mark12TM Unstained Standard Ladder, Thermo Fisher Scientific, *marks the weak signal around 10 kDa recognized by the FLAG-tag antibody).