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Dr Udi Qimron of the Department of Clinical Microbiology and Immunology at Tel Aviv University’s Sackler Faculty of Medicine has developed an efficient and cost-effective liquid solution that can help fight antibiotic-resistant bacteria and keep more patients safe from life-threatening infections. The solution is based on specially designed bacteriophages – viruses that infect bacteria – that can alter the genetic make-up of antibiotic-resistant bacteria.
The solution, recently detailed in the journal Applied and Environmental Microbiology, could be added to common antibacterial cleansers used on hospital surfaces, turning resistant bacteria into sensitive bacteria. It’s easy to prepare, easy to apply, and non-toxic, Qimron notes. He estimates that one liter of the growth medium – the liquid in which the bacteriophages are grown – will cost just a few dollars. Added to cleansers, Tellurite represents the second step in a two-part process. A Tellurite compound, which is toxic to bacteria, would also be spread on all surfaces to wipe out the bacteria that had not been rendered sensitive, and thus the entire population of the surface bacteria would be sensitized. The combination is designed to first disarm, and then kill dangerous bacteria.
