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23 Current news about the topic dna

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Stone age hepatitis B virus decoded

Viral DNA shows the hepatitis B virus has been circulating in Europe for at least 7.000 years

14-May-2018

An international team of scientists led by researchers at Kiel University in the scope the CRC 1266 “Scales of Transformation” and the Max Planck Institute for the Science of Human History has successfully reconstructed genomes from Stone Age and Medieval European strains of the hepatitis B ...

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Understanding how DNA is selectively tagged with 'do not use' marks

09-May-2018

Not all of your genome needs to be active at any given time. Some regions are prone to hopping around the genome in problematic ways if left unchecked; others code for genes that need to be turned off in certain cells or at certain times. One way that cells keep these genetic elements under ...

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Tiny nanomachine successfully completes test drive

11-Apr-2018

Together with colleagues from the USA, scientists from the University of Bonn and the research institute Caesar in Bonn have used nanostructures to construct a tiny machine that constitutes a rotatory motor and can move in a specific direction. The researchers used circular structures from ...

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DNA mimic outwits viral enzyme

Biomimetic chemistry

04-Apr-2018

Not only can synthetic molecules mimic the structures of their biological models, they can also take on their functions and may even successfully compete with them, as an artificial DNA sequence designed by LMU chemist Ivan Huc now shows. Chemist Ivan Huc finds the inspiration for his work in the ...

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Newly discovered CRISPR mechanism may help prevent dangerous errors

Better understanding of how gene editing works may make process safer

02-Mar-2018

Even as CRISPR gene-editing technology is offering insights into genetic diseases, researchers are discovering new things about how it actually works. In the first of two papers just published in the Journal of the American Chemical Society (JACS), researchers at The Ohio State University report ...

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A protein that self-replicates

01-Mar-2018

Long regarded as a biological aberration, amyloids are fibrous aggregates of short protein fragments. Amyloids have a bad reputation because they are thought to be the cause of multiple neurodegenerative diseases, including Alzheimer's, Parkinson's and Creutzfeldt-Jakob disease. It was only ...

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Going with the DNA flow: Molecule of life finds new uses in microelectronics

28-Feb-2018

For sheer versatility, there's no molecule quite like DNA. The iconic double-helix carries the genetic blueprint for living forms ranging from single-celled organisms to human beings. Recently, researchers have found that DNA's remarkable properties of self-assembly and its ability to conduct ...

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Surprise finding points to DNA's role in shaping cells

12-Feb-2018

As a basic unit of life, the cell is one of the most carefully studied components of all living organisms. Yet details on basic processes such as how cells are shaped have remained a mystery. Working at the intersection of biology and physics, scientists at the University of California San Diego ...

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DNA study casts light on century-old mystery of how cells divide

22-Jan-2018

Scientists have solved a longstanding puzzle of how cells are able to tightly package DNA to enable healthy cell division. Their findings shed light on how single cells can compact DNA 10,000-fold to partition it between two identical cells - a process that is essential for growth, repair and ...

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Zoom in to watch DNA code being read

19-Jan-2018

Extraordinary images show one of fundamental processes of life Mechanism goes into overdrive in cancer - and could be target for new drugs Scientists have unveiled incredible images of how the DNA code is read and interpreted - revealing new detail about one of the fundamental processes of ...

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