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Figure 4 | BMC Microbiology

Figure 4

From: The heme sensing response regulator HssR in Staphylococcus aureus but not the homologous RR23 in Listeria monocytogenes modulates susceptibility to the antimicrobial peptide plectasin

Figure 4

Growth of Staphylococcus aureus wild type and hssR mutants in the presence of hemin and plectasin. The growth of the S. aureus 8325-4 wild type is only affected by plectasin (35 μg/ml) and not hemin (4 μM). On the contrary, the 8325-4 hssR mutants do not grow in the presence of hemin, regardless of the presence or absence of plectasin, confirming the heme-sensitive phenotype of hssR mutants. The experiment shown is representative of three independent experiments.

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