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. 2015 Sep 29;16:733. doi: 10.1186/s12864-015-1934-1

Fig. 7.

Fig. 7

Host factors modulate stx2a expression levels. (a) Whole genomes of 14 O157:H7 strains with PST1-1 were aligned using Mugsy [44] and the phylogenetic tree was inferred using RaxML [45] with 100 bootstrap replicates and visualized using Figtree [88]. (b) Stx2 production was quantified by ELISA 2 h after ciprofloxacin induction. Bars labeled with different letters were significantly different (P < 0.05)