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57 Current news about the topic biology

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Structure of virus that infects bacteria in hot springs is revealed

06-Feb-2019

Scientists have revealed the structure of a virus infecting bacteria that thrive in 160-degree hot springs in places like Yellowstone National Park in Wyoming. The discovery could lead to better targeted delivery of drugs into cells and new DNA sequencing technology, according to a study by ...

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Utilizing CRISPR for better antibiotics

Drug screening with Mobile-CRISPRi

15-Jan-2019

A University of Wisconsin-Madison researcher and his collaborators at the University of California, San Francisco have repurposed the gene-editing tool CRISPR to study which genes are targeted by particular antibiotics, providing clues on how to improve existing antibiotics or develop new ...

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New fuel-delivery route for cells identified

Findings shed light on chronic diseases, aging

10-Jan-2019

Scientists at Washington University School of Medicine in St. Louis have identified a previously unknown route for cellular fuel delivery, a finding that could shed light on the process of aging and the chronic diseases that often accompany it. With age, cells gradually lose their ability to take ...

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Making an eye for you

The underlying mechanisms of 3D tissue formation

27-Nov-2018

If you want to build an organ, such as for transplant, you need to think in 3D. Using stem cells, scientists for some time have been able to grow parts of organs in the lab, but that is a far cry from constructing an actual, fully-formed, functioning, three-dimensional organ. For students of ...

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Pathogens may evade immune response with metal-free enzyme required for DNA replication

23-Oct-2018

Some bacterial pathogens, including those that cause strep throat and pneumonia, are able to create the components necessary to replicate their DNA without the usually required metal ions. This process may allow infectious bacteria to replicate even when the host's immune system sequesters iron ...

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Machine-learning driven findings uncover new cellular players in tumor microenvironment

Involvement of adipocytes in nivolumab response in ipilimumab resistant melanoma patients

18-Oct-2018

New findings presented by CytoReason reveals possible new cellular players in the tumor microenvironment that could impact the treatment process for the most in-need patients - those who have already failed to respond to ipilimumab (anti-CTLA4) immunotherapy. Once validated, the findings could ...

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15 emerging technologies that could reduce global catastrophic biological risks

11-Oct-2018

Strategic investment in 15 promising technologies could help make the world better prepared and equipped to prevent future infectious disease outbreaks from becoming catastrophic events. This subset of emerging technologies and their potential application are the focus of a new report, ...

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Principles of limb regeneration in salamanders show link to mammals

01-Oct-2018

Scientists have long argued over which cells enable salamanders to grow back lost limbs. By tracking lineages and characterising individual cells, researchers could now show that connective tissue cells develop stem-cell-like properties and underlie the regeneration of legs. Among all four-legged ...

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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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