London: Scientists seem to have cracked the secret of MRSA superbug`s resistance, potentially opening the way for improved drugs to fight infections.
Cfr is made by a mobile gene that can move easily between different species of bacteria.Scientists found that it passed from Staphylococcus sciuri, which normally only infects animals, to the human bug Staphylococcus aureus.Staphylococcus aureus commonly lives in the nose and on the skin without causing harm. But it can be highly dangerous when it mutates into its resistant cousin MRSA.Squire Booker, from Pennsylvania State University, US, who led the research, said: "We now have a very clear chemical picture of a very clever mechanism for antibiotic resistance that some bacteria have evolved."Because we know the specific mechanism by which bacterial cells evade several classes of antibiotics, we can begin to think about how to disrupt the process so that standard antibiotics can do their jobs," concluded Booker.IANS
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