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New simplified platform for antibiotic discovery created

Sentinel Digital DeskBy : Sentinel Digital Desk

  |  22 May 2016 12:00 AM GMT

New York, May 21: Harvard researchers have created a new, simplified, platform for antibiotic discovery that may go a long way in solving the crisis of antibiotic resistance.

This is “a platform where we assemble eight (chemical) building blocks by a simple process to make macrolide antibiotics” without using erythromycin, the origil macrolide antibiotic, and the drug upon which all others in the class have been based since the early 1950s,” the researchers said.

Erythromycin, which was discovered in a soil sample from the Philippines in 1949, has been on the market as a drug by 1953.

“For 60 years chemists have been very, very creative, finding clever ways to ‘decorate’ this molecule, making changes around its periphery to produce antibiotics that are safer, more effective, and overcome the resistance bacteria have developed,” said Andrew Myers, professor of chemistry at Harvard University.

“That process is semisynthesis, modifying the turally occurring substance,” Myers noted.

In contrast, the process described in the new study involves using eight industrial chemicals, or substances derived from them, and manipulating them in various combitions and then testing the products against panels of disease causing bacteria.

This allows us to make new “new compounds in fewer steps than was previously possible,” Myers explained.

The study was published in the jourl ture. (ians)

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