New ‘Jumping’ Superbug Gene Discovered, Resistant to Last-resort Antibiotic
While sifting through the bacterial genome of salmonella, Cornell University food scientists discovered mcr-9, a new stealthy, jumping gene so diabolical and robust that it resists one of the world’s few last-resort antibiotics.
Doctors deploy the antibiotic colistin when all other infection-fighting options are exhausted. But resistance to colistin has emerged around the globe, threatening its efficacy.
This last-resort antibiotic has been designated a highest-priority antibiotic and the mcr-9 gene causes bacteria to resist it. In treatments, if colistin does not work, it literally could mean death for patients. If colistin resistance spreads, a lot of people will die.
Bacteria isolated from food products can now be tested for mcr-9, and patients can be screened for colistin-resistant bacteria, which possess mcr-9.
| Story Source & Image Source: Science Daily|
Originally written by: Cornell University
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