Fig. 3: Anhydrotetracycline rescues Tet(X6)-mediated inactivation of tetracycline antibiotics.

a Whole cell inhibition of E. coli expressing tetracycline destructase enzymes. Abbreviations: tetracycline (TET); anhydrotetracycline (aTC). b Calculated FICI. c In vitro aTC inhibition of Tet(X6) degradation of tetracycline antibiotics as observed via an optical absorbance assay. IC50 values of each curve are shown. Error values represent standard deviations for three independent trials.