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. 2021 Jun 17;12:658374. doi: 10.3389/fmicb.2021.658374

FIGURE 1.

FIGURE 1

Tests of albicidin resistance for representative spontaneous mutants of E. coli, selected for resistance to phage T6, phage U115, or albicidin. Wild-type BW25113 and the positive-control BW25113ΔicdC showed inhibited growth on agar plates with albicidin-producing X. albilineans (XA23), and normal growth on the non-producer, LS126. In contrast, mutants (T6R1, T6R2, U115R5, U115R6, albR4, and albR7) and negative-control BW25113Δtsx grew equally well in the presence/absence of albicidin-producing bacteria.