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. 2023 Jan 10;13:1067284. doi: 10.3389/fmicb.2022.1067284

FIGURE 3.

FIGURE 3

Panton-Valentine leukocidin (PVL) producing community-acquired–MRSA (CA-MRSA) model: In MSSA strain, two genes (pvl) encoding the methicillin-resistant phage virus (PVL) are infected and lysed by the phage (phiSLT) (Staphylococcal Leukocytolytic Toxin). Then, a horizontal transfer of a methicillin resistance cassette (SCCmec IV, V, or VT) carrying the mecA gene into the pvl-positive methicillin susceptible Staphylococcus aureus (MSSA) strain allows it to incorporate into the genome somewhere other than the phiSLT (Staphylococcal Leukocytolytic Toxin) integration site.