Fig. 3From: Synergistic antibacterial action of the iron complex and ampicillin against Staphylococcus aureusMechanism of the antimicrobial effect of Fe16 + AMP causing stress in S. aureus and disruption of function of efflux pumps and ABC transporters A. Import of iron into cells, needed by S. aureus for growth and metabolism, is disrupted. B NorA and MepA efflux pumps are not sufficient to push Fe16 + AMP out of cellsBack to article page