Time-kill curve demonstrating synergistic killing with host defense cationic peptide LL37 plus beta-lactamase inhibitors. (A) MRSA Sanger 252 (black down triangles, growth control; black circles, LL37 64 uM; black squares, TAZ 20 mg/liter; black up triangles, LL37 64 mM plus TAZ 20 mg/liter); B) Acinetobacter baumannii AB5075 (black down triangles, growth control; black circles, LL37 2 mM; black squares, TAZ 20 mg/liter; black up triangles, LL37 2 mM plus TAZ 20 mg/liter.