Invasion of Epithelial Cells Is Correlated with Secretion of Biosurfactant via the Type 3 Secretion System (T3SS) of Shigella flexneri

<div>Emulsification index after Congo red induction. (a) cs: clinical strains; es: environmental strains; Pae: P. aeruginosa used as positive control; M90T: Shigella flexneri 5a strain M90T; spa40-: S. flexneri spa40 mutant; Sbo: S. boydii; Sso: S. sonnei; Ssp, Ssp1, Ssp2: Shigella sp. from clinical strains; SE1 to SE30: Shigella sp. from environmental strains. (b) Emulsification index appearance of some Shigella strains.</div>

Journal of Pathogens

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Figure 6

Figure 6: Invasion of Epithelial Cells Is Correlated with Secretion of Biosurfactant via the Type 3 Secretion System (T3SS) of Shigella flexneri