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59 Current news about the topic bacteria

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Hospital germs have their flaws too

Researchers discovered a target for novel medications

09-Jul-2018

The hospital germ Pseudomonas aeruginosa can cause serious wound as well as lung and urinary tract infections, especially in weakened individuals. Pseudomonas manages time and again to survive attacks of the immune system and antibiotic therapies. One key to the success of this persistent ...

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The biological role of europium

14-Jun-2018

Rare earth elements (REEs) are an indispensable component of the digital technologies that are now an integral part of our everyday life. Yet their biological role has been discovered only recently. A few years ago it became apparent that these metals are essential elements for methano- and ...

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Contaminated lab kits

Scientific sleuthing for reproducible results

14-Jun-2018

Researchers found traces of foreign, non-human genetic material in human blood samples. It turned out that it was not a groundbreaking scientific discovery, but mostly the result of contaminated laboratory materials. Scientists led by Associate Prof. Paul Wilmes of the Luxembourg Centre for ...

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How the internal compass is constructed in magnetotactic bacteria

19-Apr-2018

Magnetotactic bacteria are usually found in freshwater and marine sediments. One species, Magnetospirillum gryphiswaldense, is easily cultivated in the lab - with or without magnetic nanoparticles in their interior depending on the presence or absence of iron in the local environment. "So these ...

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Spikes of graphene can kill bacteria on implants

16-Apr-2018

A tiny layer of graphene flakes becomes a deadly weapon and kills bacteria, stopping infections during procedures such as implant surgery. Operations for surgical implants, such as hip and knee replacements or dental implants, have increased in recent years. However, in such procedures, there is ...

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New 'NanoZymes' use light to kill bacteria

Artificial enzymes could be used in hospitals and toilets

06-Apr-2018

Researchers from RMIT University have developed a new artificial enzyme that uses light to kill bacteria. The artificial enzymes could one day be used in the fight against infections, and to keep high-risk public spaces like hospitals free of bacteria like E. coli and Golden Staph. E. coli can ...

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Microarray rapid test speeds up detection in case of a Legionella pneumophila outbreak

26-Mar-2018

In an outbreak of Legionnaires' disease, finding the exact source as quickly as possible is essential to preventing further infections. To date, a detailed analysis takes days. Researchers at the Technical University of Munich have now developed a rapid test that achieves the same result in about ...

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Helicobacter creates immune system blind spot

By extracting cholesterol from host cell membranes, Helicobacter pylori generates “micro-islands”

16-Mar-2018

The gastric bacterium H. pylori colonizes the stomachs of around half the human population and can lead to the development of gastric cancer. It is usually acquired in childhood and persists life-long, despite a strong inflammatory defence reaction in the gastric mucosa. Such inflammation is ...

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How to target a gene

Finding proteins important for plant development, DNA repair and gene targeting

08-Mar-2018

All living cells have invented mechanisms to protect their DNA against breaks during duplication and against damage by UV-light or chemicals. A team of biologists led by Prof. Dr. Ralf Reski from the Faculty of Biology of the University of Freiburg, Germany has now found that members of the RecQ ...

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Plastic bags that cannot breathe

Optimized enzyme variant can degrade plastic under anaerobic conditions

05-Mar-2018

Many bio-plastic bags have no place in the garbage. They dissolve too slowly in oxygen-deficient environments like biogas plants and when incinerated they are a burden to the environment. A research project at the Austrian Centre of industrial Biotechnology (acib) hunts for enzymes, which ...

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