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A) Aggregation of S. Typhimurium LT2 WT, ΔycfR::cat mutant, and ΔycfR::cat (JS-8) complement over 4 h. B) Aggregation of all S. enterica strains after 24 h incubation at room temperature. Standard deviations represent three independent experiments. Significant differences in comparison to the parent strains under the same condition are shown as *(P<0.5), **(P<0.001), and ***(P<0.0001).
