How Molecules Are Transported Through Membranes

Germany: Biological Nanotransporters How Molecules Are Transported Through Membranes

15.04.2018Editor: Alexander Stark

A research team of the Ruhr-Universität Bochum (RUB) described with atomic detail how molecules are transported through biological membranes. Their computer simulations and spectroscopic experiments provided insights into the work of so-called ABC transporters.

Hendrik Göddeke, Lars Schäfer und Enrica Bordignon (from the left) in their laboratory
(Source: RUB)

Bochum/Germany — ABC transporters are proteins that play an important role in the drug resistance of tumour cells and bacteria. The researchers within the groups of Prof Dr Lars Schäfer and Prof Dr Enrica Bordignon, who work together in the Excellence Cluster Ruhr Explores Solvation, Resolv in short, report in the Journal of the American Chemical Society of 16 March 2018.

According to Lars Schäfer, head of the Molecular Simulation research group, ABC transporters are fascinating biological nanomachines. These proteins couple the binding and chemical cleavage of ATP molecules, the chemical energy unit of the cell, with the transport of molecules through biological membranes.

Resistance of Tumour Cells and Bacteria

A particular characteristic of the so-called ABC exporters is that they transport a very wide range of molecules out of the cell: from lipids and peptides to chemotherapeutic agents. The scientists say that ABC exporters therefore played an important role, including with regard to aspects such as multi-drug resistance of cancer cells and antibiotic resistance of bacteria.

The research groups of Lars Schäfer and Enrica Bordignon combined detailed computer simulations with spectroscopic experiments to shed light on the functional mechanism of an ABC exporter in atomic detail.

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Germany: Biological Nanotransporters How Molecules Are Transported Through Membranes

Resistance of Tumour Cells and Bacteria

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