A strain of the antibiotic-resistant bacterium known as MRSA has jumped from food animals to humans, according to a new study led by the Translational Genomics Research Institute (TGen), Phoenix, AZ, USA. The study published last week in the online journal mBio focuses on MRSA CC398, a strain of methicillin-resistant Staphylococcus aureus.
The study suggests that MRSA CC398 probably started as a non-resistant (antibiotic-susceptible) strain in humans before it spread to food animals where it subsequently became resistant to several antibiotics. Dr Lance Price, the study’s lead author and director of the TGen’s Center for Food Microbiology and Environmental Health, said “Retracing the evolutionary history of MRSA CC398 is like watching the birth of a superbug - it’s simultaneously fascinating and disconcerting,” added Dr Price. “MRSA CC398 was discovered less than a decade ago and it appears to be spreading very quickly.” Read more ...
The study suggests that MRSA CC398 probably started as a non-resistant (antibiotic-susceptible) strain in humans before it spread to food animals where it subsequently became resistant to several antibiotics. Dr Lance Price, the study’s lead author and director of the TGen’s Center for Food Microbiology and Environmental Health, said “Retracing the evolutionary history of MRSA CC398 is like watching the birth of a superbug - it’s simultaneously fascinating and disconcerting,” added Dr Price. “MRSA CC398 was discovered less than a decade ago and it appears to be spreading very quickly.” Read more ...
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