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. 2016 Aug 30;7:1344. doi: 10.3389/fmicb.2016.01344

Figure 7.

Figure 7

Natural extracts affecting the expression of selected virulence-related genes in different S. aureus strains. (A) Inhibition zones of selected extracts on three different S. aureus strains, USA300, COL, and AE052. Samples 15, AE62, and AE63 are natural products exerting varying degree of repression of virulence gene in USA300. (B) The response of promoters of 9 virulence-related genes to three selected natural products. Ampicillin and ethyl acetate/DMSO were taken as positive and negative controls respectively.