Fig. 3From: Metformin reverse minocycline to inhibit minocycline-resistant Acinetobacter baumannii by destroy the outer membrane and enhance membrane potential in vitroSynergistic activity of metformin with minocycline against different strains of A. baumannii. A Metformin in combination with minocycline against A. baumannii A1 strain, FICI = 0.28125; B Metformin in combination with minocycline against A. baumannii A163 strain, FICI = 0.25; C Metformin in combination with minocycline against A. baumannii A156 strain, FICI = 0.375Back to article page