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Lectures & Seminars

10.07.2017 11:30 - 12:30 o'clock


Lipid selectivity in antimicrobial activity

Lecturer: Dr. Maria Hörnke, University of Freiburg

Abstract:
There is an imminent need to combat emerging antibiotic resistance. Natural antimicrobial peptides and even more so their synthetic mimics studied here offer a promising alternative to classical antibiotics through their action on membrane integrity with low induced resistance. Therefore, it is highly beneficial to judge and favor antimicrobial activity by characterizing membrane permeabilization. Not killing cells or microbes, but doing so selectively is crucial for combatting emerging multidrug resistant microbes.
The lipid composition differs greatly among organisms and even tissues. The simplest selectivity mechanism is net charge of the outer layer of the membrane. We study more subtle selectivity mechanisms such as lipid clustering and correlate our findings to biological activity.  A systematical understanding of the requirements for antimicrobial activity and selectivity may assist in the design of antimicrobial compounds.

Date: July 10, 2017

Time: 11.30 am

Location: Lecture hall Louis Pasteur, HKI, Beutenbergstraße 11a, Jena

All interested are cordially invited!

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