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. 2020 Mar 12;11:329. doi: 10.3389/fmicb.2020.00329

FIGURE 5.

FIGURE 5

Microscopic observation of the effect of the sophorolipid produced by R. babjevae YS3 (SL-YS3) on mycelial integrity of T. mentagrophytes. (A) Scanning electron micrographs of the mycelial damage induced by SL-YS3 and terbinafine (TRB) treatment. Magnification = 5000, scale bar = 2 μm. (B) Atomic force microscopic images to visualize the topographical changes induced by SL-YS3 and TRB treatment (1 mg ml–1) in comparison to the untreated control mycelia. Images were acquired after 24 h of treatment. Total scanning area for the images are 100 μm × 100 μm. (C) Confocal microscopic images to determine the uptake of propidium iodide (PI) in the mycelia treated with SL-YS3 and TRB at a concentration of 1 mg ml–1 (w/v) as compared to the untreated mycelia. Scale bar = 25 μm.