September 23, 2025mSphereOpen Access

Mixed-biofilm natural transformation assay reveals the presence of staphylococci in human environments that can transfer SCC mec to Staphylococcus aureus

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Discussion

Experimental findings reveal SCC mec transfer from various staphylococci to S. aureus, suggesting a link to antimicrobial resistance.

Transfer of SCC mec from staphylococci to S. aureus was observed in 25 of 157 isolates tested, indicating significant genetic exchange.
S. epidermidis, S. felis, and S. capitis were identified as key donors for SCC mec transfer, demonstrating their roles in resistance spread.
Utilizing a mixed-biofilm natural transformation assay allowed for clear evidence of intercellular transmission among staphylococci.
This study emphasizes the potential public health risk posed by staphylococci in various environments, advocating for One Health considerations.

Maree et al. (2025) studied this question.

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