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. 2019 Jun 17;9:88. doi: 10.1186/s13568-019-0813-6

Fig. 5.

Fig. 5

Antimicrobial spectrum activity of plantaricin P1053. The antimicrobial spectrum activity of the plantaricin P1053 was verified through the inhibition growth halo in the agar well diffusion assay. The first panel shows the inhibition haloes against E. coli ATCC 25922 and the second panel against S. aureus ATCC 6538 produced by the plantaricin P1053 at neutral pH (A), by the plantaricin P1053 at pH 2 (B), by the NaCl 0.1 M at pH 2 (C) and by NaCl 0.1 M at pH 6.5 (D) as negative controls