Cigarette Smoke Makes Superbug Strains More Resistant to Antibiotics

A new study by the researchers from the University of Bath, UK, finds that cigarette smoke makes MRSA strains more persistent, more invasive, and even more resistant to certain antibiotics.Cigarette Smoke Makes Superbug Strains More Resistant to Antibiotics

Within the scope of the study, the researchers exposed Staphylococcus aureus (S. aureus) to the said smoke. The strain was chosen according to its clinical relevance and genetic diversity.

Mutational analysis showed that cigarette smoke caused small colony variants to emerge via the SOS response DNA mutagenic repair system.

Lead author of the new research Maisem Laabei from the Department of Biology & Biochemistry at the University of Bath comments: “We hope that our work provides another reason for people not to smoke and for current smokers to quit.”

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