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The descendants of regular wild-type bacteria can evolve to survive for a long time on metallic copper surfaces that would usually kill them within a few minutes. An international research team led by Martin Luther University Halle-Wittenberg (MLU) and the Bundeswehr Institute of Microbiology was able to produce these tiny survivalists in the lab and has been able to study them more closely. The team reports on its findings in
Applied and Environmental Microbiology.
Bacterial infections are usually treated with antibiotics. However, in recent decades many pathogenic bacteria have developed an increasing tolerance to common drugs. So-called multidrug-resistant bacteria are of particular concern as they can no longer be combated with most antibiotics. Copper surfaces - for example on door handles - are a good weapon to fight these germs. Copper surfaces are a sure-fire way to kill bacteria. Most bacteria die within minutes after landing on a copper surface, explains Prof