Common ‘Superbug’ Found to Disguise Resistance to Potent Antibiotic

Some common “superbugs” appear to harbor a little-known type of resistance to a last-resort antibiotic, a new study shows, suggesting a worrying new way in which dangerous bacteria can evade one of the few remaining treatment options.

Bacterial populations are normally viewed as either totally impervious to an antibiotic, or totally treatable. But researchers from Emory University identified a different pattern in a certain type of drug-resistant bacteria, in which some cells in a bacterial colony are resistant to a last-resort antibiotic called colistin. This “heteroresistance” isn’t easily detectable in standard lab tests because most of the cells are susceptible to the drug.

FOLLOW THE LINK FOR THE FULL REPORT – JR

https://www.wsj.com/articles/common-superbug-found-to-disguise-resistance-to-potent-antibiotic-1520334001

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