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. 2020 Jul 2;11:960. doi: 10.3389/fmicb.2020.00960

Figure 3.

Figure 3

In vitro antimicrobial activity assay of recombinant antilisterial proteins. Each crude recombinant protein was obtained from three different cultures and assayed in triplicates. (i) (A) P1_1, P1_2, and P1_3, (B) P2_1, P2_2, P2_3, (C) P3_1, P3_2, P3_3, and (D) P4_1, P4_2, P4_3 using agar well diffusion assay. C: crude protein of untransformed E. coli T7 Express LysY/Iq (New England BioLabs, Inc). S: cell-free culture supernatant of P. polymyxa Kp10. Inhibition zones were obtained in all of the recombinant proteins, thus confirming their antilisterial activity.