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. 2017 Jun 20;13(6):e1006457. doi: 10.1371/journal.ppat.1006457

Fig 4. Effect of potassium concentration on hemolytic activity of different bacterial strains.

Fig 4

A) Hemolytic activity of supernatants from P. nigrescens ATCC 33563 and S. mitis NCTC 1226, as the percentage of lysis of horse erythrocytes with respect to a positive control (100% of activity). Results are from 4 biological replicates for each concentration. B) Hemolytic activity on agar plates with different concentrations of K+ added of P. nigrescens ATCC 33563 after 48 hours of incubation. C) Hemolytic activity on agar plates with different concentrations of K+ added of P. nigrescens ATCC 33563 after 6 days of incubation.