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49 Current news about the topic biology

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Creating a family tree for each body cell in real time

Evolving genetic barcodes show origin of cells in vivo

13-Aug-2018

All humans begin life as a single cell that divides repeatedly to form two, then four, then eight cells, all the way up to the ~26 billion cells that make up a newborn. Tracing how and when those 26 billion cells arise from one zygote is the grand challenge of developmental biology, a field that ...

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Why malaria parasites are faster than human immune cells

25-Jul-2018

Malaria parasites of the genus Plasmodium move ten times faster through the skin than immune cells, whose job it is to capture such pathogens. Heidelberg scientists have now found a reason why the parasite is faster than its counterpart. They did this by studying actin, a protein that is ...

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Building blocks of life

Proteins that self-assemble into supramolecular complexes

23-Jul-2018

A collaborative research team based in Japan has designed new proteins that can self-assemble into the complex structures underlying biological organisms, laying the groundwork for leading-edge applications in biotechnology. The researchers created and developed the proteins with a specific ...

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Biological signalling processes in intelligent materials

Innovative biohybrid systems with information processing functionality

20-Jul-2018

Scientists from the University of Freiburg have developed materials systems that are composed of biological components and polymer materials and are capable of perceiving and processing information. These biohybrid systems were engineered to perform certain functions, such as the counting signal ...

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An ATM that dispenses antioxidants

Dual role of protein that watches for cellular threats and repairs damage

12-Jul-2018

One reason we're supposed to eat a variety of colorful fruits and vegetables is because they contain nutritious compounds called antioxidants. These molecules counteract the damage to our bodies from harmful products of normal cells called reactive oxygen species (ROS). Now, research led by a ...

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Combining antibiotics changes their effectiveness

06-Jul-2018

The effectiveness of antibiotics can be altered by combining them with each other, non-antibiotic drugs or even with food additives. Depending on the bacterial species, some combinations stop antibiotics from working to their full potential whilst others begin to defeat antibiotic resistance, ...

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New type of photosynthesis discovered

18-Jun-2018

The discovery changes our understanding of the basic mechanism of photosynthesis and should rewrite the textbooks. It will also tailor the way we hunt for alien life and provide insights into how we could engineer more efficient crops that take advantage of longer wavelengths of light. The ...

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A new way to stimulate cellular recycling process

18-May-2018

Brown University researchers studying the biology of aging have demonstrated a new strategy for stimulating autophagy, the process by which cells rebuild themselves by recycling their own worn-out parts. In a study the researchers show that the approach increased the lifespans of worms and flies, ...

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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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