Fig 6.
Comparison of the expression levels of some key genes in deletion mutants of L. pneumophila. (A) Expression of CRISPR-Cas system-related genes. (B) Expression of the lpeAB efflux pump gene. (C–G) Expression of Dot/Icm secretory system-related structural protein genes in deletion mutants. (H) Expression of the flaA flagellin gene.