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. 2021 Dec 3;12:737288. doi: 10.3389/fmicb.2021.737288

FIGURE 4.

FIGURE 4

Iron chelator transport via drug efflux systems. We found that in iron-deficient conditions, enterobactin (a siderophore) is extruded out of the cell via drug efflux pumps to acquire iron for the cell.