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. 2020 Apr 30;11:710. doi: 10.3389/fmicb.2020.00710

FIGURE 4.

FIGURE 4

Bacteriocin production under different conditions. Spot-on-lawn assays for bacteriocin production associated with MVs (top) or free in the supernatant (bottom) from cultures grown under aerobic or anaerobic conditions and induced with a range of LabIP concentrations, from non-induced (“0” at the left) to a maximum concentration of 500 nM at the right. L. delbrueckii subsp. lactis ATCC 15808 was used as the bacteriocin indicator strain; lawns were grown on MRS agar under anaerobic conditions. A representative image is shown.