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(A) Bar chart showing levels of romA and ramA expression in Klebsiella pneumoniae clinical strains. Levels of romA and ramA were normalised to K. pneumoniae Ecl8 (ramA non-expresser). (B) Bar chart showing levels of AcrA expression. Relative fold increases in the AcrA levels were quantified after comparisons with a wild-type sensitive K. pneumoniae isolate Ecl8.
