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71 Current news about the topic bacteria

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Sweet lysine degradation

Glucogenic lysine degradation found for the first time

03-Dec-2018

In fact, they were looking for a specific enzyme. What they found is something so fundamental that their new findings might well find their way into textbooks. Referred to here is the amino acid lysine, which is an important building block in proteins. In bacteria and many other organisms, lysine ...

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Breakthrough in the investigation of feared pathogens

Researchers uncover camouflage strategy of multi-resistant bacteria

26-Nov-2018

Researchers at the University of Tübingen and the German Center for Infection Research (DZIF) have achieved a breakthrough in the decoding of multi-resistant pathogens. The team led by Professor Andreas Peschel and Professor Thilo Stehle was able to decode the structure and function of a ...

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Solar panels for yeast cell biofactories

19-Nov-2018

Genetically engineered microbes such as bacteria and yeasts have long been used as living factories to produce drugs and fine chemicals. More recently, researchers have started to combine bacteria with semiconductor technology that, similar to solar panels on the roof of a house, harvests energy ...

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Insect Antibiotic Provides New Way to Eliminate Bacteria

16-Nov-2018

An antibiotic called thanatin attacks the way the outer membrane of Gram-negative bacteria is built. Researchers at the University of Zurich have now found out that this happens through a previously unknown mechanism. Thanatin, produced naturally by the spined soldier bug, can therefore be used ...

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Searching in soil, scientists find a new way to combat tuberculosis

05-Nov-2018

For decades, doctors have been using antibiotics to fight tuberculosis (TB). And consistently, the microbe responsible for the disease, Mycobacterium tuberculosis, has been fighting back. When confronted with current drugs, such as the antibiotic rifamycin, the bacterium often mutates in ways ...

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New method measures single molecules from nanoliter of blood in real time

09-Oct-2018

University of Groningen scientists, led by Associate Professor of Chemical Biology Giovanni Maglia, have designed a nanopore system that is capable of measuring different metabolites simultaneously in a variety of biological fluids, all in a matter of seconds. The electrical output signal is ...

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Taking out the (life-threatening) garbage

Bacteria eject trash to survive

28-Sep-2018

Scientists have known for decades that certain bacteria produce small spherical versions of themselves. Although they lack basic materials to reproduce or function like normal cells, recent interest in such "minicells" has spiked due to their proficiency as nano-sized delivery tools for drugs and ...

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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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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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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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