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. 2012 Aug 21;7(8):e43392. doi: 10.1371/journal.pone.0043392

Figure 4. Cross-resistance of phage-resistant Salmonella to the different receptor group phages.

Figure 4

F, B, and L marked in the phage heads indicate group F, group B, and group L phages, respectively. Each receptor in the phage-resistant strains is white-colored. (A) Group F phage-resistant strain is sensitive to group B and group L phages. (B) Group L phage-resistant strain is sensitive to group F and group B phages, but resistant to group L phages, due to modification of O-antigen of LPS. Modified O-antigen is indicated by white triangles. (C) Group B phage-resistant strain is sensitive to group F, but resistant to group B as well as group L phages, probably due to putative interaction between BtuB and O-antigen of LPS. (D) Group L (SPN9TCW phage)-resistant strain is sensitive to group F, but resistant to group B as well as group L phages, probably due to putative interaction between BtuB and O-antigen of LPS.