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655 Current news about the topic genetics

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Controlling plant processes with light

Optogenetic tool enables targeted and reversible gene expression control in plants in the presence of ambient light

01-Jul-2020

A research team of biologists within the CEPLAS Cluster of Excellence at Heinrich Heine University Düsseldorf (HHU) has succeeded, together with colleagues from the University of Freiburg, to develop an optogenetic tool for use in plant research. The tool can be used to control plant processes ...

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Light drives injection

By coupling a bacterial injection system with a light-controlled molecular switch, scientists are able to inject proteins into eukaryontic cells

15-May-2020

When bacteria such as Salmonella or Yersinia cause fever, diarrhoea or abdominal pain, tiny "injection needles" are at work: their type 3 secretion system, or T3SS for short, shoots bacterial virulence proteins directly into the eukaryotic host cells. Researchers have thought of using bacterial ...

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A new tool for switching proteins on and off

04-Mar-2020

Proteins can be controlled with light of different wavelengths. Even several at once, thanks to a new tool. Light-sensitive proteins, also known as optogenetic tools, can be switched on and off by light pulses, thus triggering specific cellular processes. A research team at Ruhr-Universität ...

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The genetics of suicide risk

08-Oct-2019

While searching for biological markers for suicide risk, a Viennese research team has gained new insights into the relationship between environmental factors and genetics. Traumatic childhood experiences play an essential role and leave traces in the brain. To a large extent, suicide is a taboo ...

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“Genetic variants associated with educational attainment” can also have positive implications for lifestyle

Major population study investigates the interplay between genetics, educational attainment and cardiovascular disease

20-Sep-2019

A German and British research team lead by the Technical University of Munich (TUM) has examined the interplay between genetics, cardiovascular disease and educational attainment in a major population study. Genetic variants which had been linked to educational attainment in other studies were ...

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Does the brain accumulate trauma?

Molecular similarities in mice and humans exposed to trauma

05-Sep-2019

Post-traumatic stress disorder (PTSD) is a mental illness that can develop after experiencing a traumatic event. Greater awareness of PTSD emerged when large numbers of soldiers returning from the Iraq war reported symptoms. Other traumatic events such as experiencing childhood or sexual abuse, a ...

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Blue light for RNA control

Researchers regulate the activity of RNA molecules

02-Sep-2019

Messenger RNA molecules contain genetic information and thus control the synthesis of proteins in living cells. Biochemists at the University of Bayreuth and the University of Bonn have now discovered a way to regulate this process which is central to gene expression: Certain actinobacteria ...

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Manufacture of light-activated proteins

06-Aug-2019

So far, development has been mainly based on a trial-and-error approach. But a novel method might help save a lot of time. A new strategy for designing light-sensitive proteins has been developed by researchers at Ruhr-Universität Bochum (RUB). Such proteins, also known as optogenetic tools, can ...

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Electronic chip mimics the brain to make memories in a flash

Engineers have mimicked the human brain with an electronic chip that uses light to create and modify memories

18-Jul-2019

Researchers from RMIT University drew inspiration from an emerging tool in biotechnology - optogenetics - to develop a device that replicates the way the brain stores and loses information. Optogenetics allows scientists to delve into the body's electrical system with incredible precision, using ...

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Therapy Optimisation by Analysing the Genome

15-May-2019

The University Hospital Bonn plans to have a stronger focus on pharmacogenetics – thus emphasising the influence of genetic characteristics on the effect of medications. This idea embodies the approach for personalised medicine. To integrate extensive pharmacogenetic analysis into the clinical ...

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