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. 2017 Dec 18;12(12):e0189689. doi: 10.1371/journal.pone.0189689

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© 2017 Gallego-Jara et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 6 — Electron microscope images of (A1) E. coli wt, (B1) ΔcobB, (C1) ΔpncA, (D1) ΔcobB + cobBpBAD24, (E1) ΔpncA+ pncApBAD24 and (F1) ΔcobB + pncApBAD24 strains during the exponential growth phase in TB7 medium supplemented with glycerol. Semi-solid agar plates of (A2) E. coli wt, (B2) ΔcobB, (C2) ΔpncA strains, (D2) ΔcobB + cobBpBAD24, (E2) ΔpncA+ pncApBAD24 and (F2) ΔcobB + pncApBAD24 strains. Migration distances (diameter) and standard deviation from the mean migration of three biological replicates are shown.