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889 Current news about the topic bacteria

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Cellular memory outwits pathogens

Study proves effectiveness of sequential antibiotic treatment against the pathogen Pseudomonas aeruginosa

14-Sep-2018

The World Health Organization (WHO) warns that seemingly harmless bacterial infections could develop into one of the leading causes of death in the next few years, particularly in the industrialised countries. This dramatic threat arose because, in many cases, the antibiotics that have been ...

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How infectious bacteria hibernate through treatment

Researchers find that bacteria may opt for persistence as well as resistance to antibiotics

13-Sep-2018

Disease-causing bacteria can develop resistance to antibiotics – which are then no longer effective in treating the infection. Yet they also have another tactic to avoid being killed off by antibiotic treatment. Some cells of the population quietly hide in a dormant state and wait for the danger ...

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Time-switch for immune cells

11-Sep-2018

Supported by funding from the Austrian Science Fund FWF, a team from the Max F. Perutz Laboratories deciphered the mechanism of the TTP protein as a time-switch for the programmed cell death of white blood cells. A targeted death of these cells prevents an excessive immune reaction, but could ...

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Antibacterial Polymers

Surprising antibacterial activity and selectivity of hydrophilic phosphonium polymers

10-Sep-2018

Artificial polymers, like antibiotic peptides, need both hydrophobic and hydrophilic domains in their molecular structure to exert antibacterial activity. Now, researchers from Canada have synthesized a phosphonium polymer that challenges this view. As outlined in the journal Angewandte Chemie, ...

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A telephone for your microbiome

05-Sep-2018

More than 1,000 species of bacteria have been identified in the human gut, and understanding this incredibly diverse "microbiome" that can greatly impact health and disease is a hot topic in scientific research. Because bacteria are routinely genetically engineered in science labs, there is great ...

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Viruses Are the Better Antibiotic

Development of Novel Therapeutics Boosted With Millions of Euros

30-Aug-2018

The development of alternative therapies to combat antibiotic-resistant bacteria has attracted more than €4 million in grants and private investments for Vienna-based biotech company PhagoMed Biopharma GmbH. PhagoMed, located at the Vienna Biocenter, is focused on developing virus–(phage–) based ...

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Light-engineered bacterial shapes could hold key to future labs-on-a-chip

Genetically modified bacteria used as 'microbricks' for building next-gen microscopic devices

17-Aug-2018

Scientists have used light patterns to control the swimming speed of bacteria and direct them to form different shapes. Controlling bacteria in this way means it could be possible to use them as microbricks for building the next generation of microscopic devices. For example, they could be made ...

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Bacteria-fighting polymers created with light

Hundreds of polymers could kill drug-resistant superbugs in novel ways

17-Aug-2018

Researchers from the Department of Chemistry and Warwick Medical School developed a way to synthesise large libraries of polymers, in such a way to make their screening for antimicrobial activity faster, and without the need to use sealed vials. By using multiple 'building blocks' in their ...

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A novel antibiotic from weeds

30-Jul-2018

Researchers working on an SNSF project have discovered novel, antibiotically active chemical substances in a previously rarely explored site: the leaf of a common field weed. The just published findings show that this microcosm contains many still unknown natural products that could lead to new ...

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Soil bugs munch on plastics

27-Jul-2018

Thin mulch films made of polyethylene are used in agriculture in numerous countries, where they cause extensive soil contamination. Researchers at ETH Zurich and Eawag have now identified an alternative: films made of the polymer PBAT biodegrade in soils. Our world is drowning in a flood of ...

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