Original title: Isolation and characterization of human skin-derived bacteriophages with antibacterial and antibiofilm activity against coagulase-negative staphylococci
Some skin bacteria can cause infections and build biofilms, which are layers of bacteria stuck together. Researchers isolated viruses called bacteriophages from healthy people’s facial skin; these viruses infect bacteria. Two phages killed several target bacteria and reduced both new and already formed biofilms, though the effect varied by bacterial strain. In infected wax-moth larvae, treatment improved survival, and the researchers detected no toxicity.
Imagine scrubbing a dirty pan after dinner. Some food washes away at once, but a stuck-on layer takes more work, and different messes respond differently. In this paper, the phages act against the bacteria like a cleaning method: they reduce free-floating bacteria and, depending on the strain, limit or reduce the stuck-on layer.
Coagulase-negative staphylococci can cause infections that are hard to treat when bacteria form biofilms. Skin-derived phages killed these bacteria in lab tests and reduced biofilms, suggesting a possible source of candidates for further study—not yet a proven treatment for people.
The abstract reports laboratory tests and a preliminary infection model in Galleria mellonella larvae, not results in people. Antibiofilm activity depended on the bacterial strain. It supports further preclinical evaluation but does not establish clinical safety or effectiveness.
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Isolation and characterization of human skin-derived bacteriophages with antibacterial and antibiofilm activity against coagulase-negative staphylococci — Damla Damar-Çelik, Abdulkerim Karaynir, Gülsüm Özkan et al. — Scientific Reports — doi:10.1038/s41598-026-74646-6
Abstract licence: CC BY
Explanation generated by Synthesis from the abstract — it is not the original paper.