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Tuesday, 13 December 2016

Antibacterial Soaps instead help Bacteria to beat Antibiotics

Will triclosan used in soaps be banned? (Image: Pixabay)

Antibacterial compounds might not always be benificial as microbes can even beat them. Yes it is true and possibly even these compounds can make bacteria like MRSA much resistant. The antibacterial that is questionable today is triclosan. It is not an antibacterial rather it is a compound that help bacteria to resist antibiotics.

Triclosan is found commonly in cosmetics and toys, the overuse of it can may evolve resistance to bacteria. It would be more difficult then to treat the hospital acquired bacterial infections.

US Food and Drug Administration (FDA) trying now to put a ban over the use of triclosan in soaps and handwashes. But some organizations are still on for with the use of triclosan as it is also beneficial.

Petra Levin and Corey Westfall, microbiologists at Washington University, St. Louis exposed the common experimental bacteria E. coli to common antibiotics with triclosan. They measured the study over 20hours.

Bacteria those are treated with streptomycin and ciprofloxacin were 10,000 more likely to survive with triclosan than those bacteria which is not treated with triclosan.

Bacteria even got full protection with triclosan when antibiotic ampicillin was used.

Now to make it to crucial understanding MRSA was treated with Vancomycin, the crucial antibiotic which is used as the last effort to treat, even failed in presence of triclosan.

The research was published recently in the journal bioRxiv.


How this triclosan works is still in vague and the question does comes how to stop this triclosan. Most antibiotics work on dividing cells and triclosan prevents bacteria to divide which make bacteria impervious to these antibiotics.

Source: New Scientist
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