Honeybees play role in developing new antibiotics: Study
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Honeybees could play a role in developing new antibiotics: Study

5:19 AM, 25th September 2017
Honeybees can play a role in developing new antibiotics: Study
Api137 is a natural product produced by bees, wasps or hornets.

CHICAGO, US: An antimicrobial compound made by honeybees could become the basis for new antibiotics, according to new research at the University of Illinois at Chicago (UIC).

No new antibiotics have been discovered for more than 30 years, and some bacteria are becoming immune to the drugs used to treat or prevent infections. Antibiotic resistance called one of the world’s most pressing public health concerns by the Centers for Disease Control and Prevention, can mean illnesses that were once easily treatable are now potentially deadly.

In a new study published in the journal Nature Structural & Molecular Biology, UIC researchers, led by co-investigators Alexander Mankin and Nora Vazquez-Laslop of the College of Pharmacy’s Center for Biomolecular Sciences, explained how a derivative of the antibiotic apidaecin (Api137) can block the production of proteins in potentially harmful bacteria.

Many antibiotics kill bacteria by targeting the ribosome, which makes all the proteins in the cell. Protein production can be halted by interfering with different stages of translation the process by which DNA is “translated” into protein molecules, Mankin said. Api137 is the first known inhibitor of translation termination, he added.

Api137 is a natural product produced by bees, wasps or hornets. In nature, many organisms defend themselves from infection by making antibacterial peptides, or small proteins. The peptides can be used as antibiotics if “we understand how they work,” said Tanja Florin, a UIC doctoral student who served as one of the lead authors on the paper.

“This project was a result of an excellent collaboration of our team,” said Vázquez-Laslop, who worked with two research groups in Germany. “We can now harness the knowledge of how Api137 works in order to make new drugs that would kill bad bacteria using a similar mechanism of action.”

Co-authors include Dorota Klepacki, UIC; Marina Rodnina, Cristina Maracci and Prajwal Karki, Max Planck Institute for Biophysical Chemistry, Gottingen, Germany; and Daniel Wilson, Michael Graf, Otto Berninghausen and Roland Beckmann, University of Munich, Munich, Germany.

The research was funded by National Institutes of Health; iNEXT project 2259; grants of the Forschergruppe FOR 1805; and a project grant in the framework of the Sonderforschungsbereich SFB860 from the Deutsche Forschungsgemeinschaft.

© University of Illinois at Chicago

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