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. 2016 Aug 31;7:1387. doi: 10.3389/fmicb.2016.01387

FIGURE 4.

FIGURE 4

Transmission electron micrographs of APEC strains. Bacteria were grown overnight on LB agar, and then harvested, fixed, and negatively stained with 2% phosphotungstic acid. Numerous long flagella were observed on the surfaces of the wild-type strain APCE94 (A) and the complementation strain APCE94CΔeivC (C). Few flagella were observed on the mutant strain APCE94ΔeivC (B). Augmented fimbriae surrounding the bacteria were observed on the mutant strain APCE94ΔeivC (E), compared with those of the wild-type strain APCE94 (D) and the complementation strain APCE94CΔeivC (F).