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. 2020 Jul 23;11:1681. doi: 10.3389/fmicb.2020.01681

FIGURE 2.

FIGURE 2

Resistance fitness determinants for polymyxin B2 (PMB). The MA-plot (M for log ratio and A for mean average) shows the average of the normalized unique insertion density (nUID) between the PMB-treated sample and the untreated sample (log2) on the x-axis and the fold change of the nUID between the two samples (log2) on the y-axis. The 58 genetic determinants likely involved in bacterial fitness upon PMB exposure are highlighted in red and genes of interest are named. NC, no change.