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. 2017 Jul 25;8:1402. doi: 10.3389/fmicb.2017.01402

FIGURE 4.

FIGURE 4

An electrodense material is observed on the cell wall of R morphotypes. (A) Images obtained by TEM of M. abscessus bacilli. Arrows indicate the accumulation of electrodense material on the wall of the R morphotype. (B) Example of cord formation in M. abscessus 390R. Arrows indicate the accumulation of electrodense material outside the cord. (C) Images of OTO staining, showing an important deposit of OsO4 in the R morphotype and no deposits in the S morphotype. Images from M. abscessus 390R. Similar images were obtained from the other strains.