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. 2015 Jul 16;8(7):738–750. doi: 10.1111/eva.12284

Figure 7.

Figure 7

Toxin-producing (Inline graphic and Inline graphic) and nonproducing (Inline graphicand Inline graphic) isolates of Staphylococcus epidermidis invading populations of S. aureus (SH1000) at frequencies of 0.1 (Inline graphic), 0.01 (Inline graphic) and 0.001 (Inline graphic). Toxin-producing S. epidermidis isolates (155 and 180) and nonproducing S. epidermidis isolates (035 and 115) were introduced into a population of S. aureus (SH1000) at three different frequencies. This was carried under a spatially structured regime (A and B) and under a mixed regimen (C and D). The x-axis is the time in days, and the y-axis is the colony-forming units (cfu) per plate. Error bars represent the standard error of the mean (n = 3).