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. 2018 Jul 27;8:11324. doi: 10.1038/s41598-018-29745-4

Figure 4.

Figure 4

Assessment of the phagosomal membrane integrity of BMDM cells infected with indicated F. tularensis strains by the TEM assay. BMDM cells were infected for 2 h at an MOI of 1,000, washed, further incubated for 3 and 6 h, and then processed for TEM. To examine the membrane integrity of phagosome, at least 100 bacteria from different sections were analyzed for each time point and categorized as follows: Intact, >90% of the phagosomal membrane intact; Slightly damaged, 50–90% of the membrane intact; Highly damaged, 10–50% of the membrane intact; No membrane, <10% of the membrane intact.