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38 Current news about the topic biology

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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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Opening the cavity floodgates

Biochemists investigate the transport of large proteins through bacterial cell membranes

25-Jan-2018

Every cell is surrounded by a membrane, which ensures the internal biochemical milieu and regulates the exchange of substances with its surroundings. In every cell membrane, there are a large number of transporters that allow only one sort of molecule to pass through. In the case of very small ...

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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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Super-silenced DNA hints at new ways to reprogram cells

09-Jan-2018

Newly described stretches of super-silenced DNA reveal a fresh approach to reprogram cell identity to use in regenerative medicine studies and one day in the clinic, according to a study by investigators from the Perelman School of Medicine at the University of Pennsylvania. "In the past, most ...

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Less chewing the cud, more greening the fuel

09-Jan-2018

Plant biomass contains considerable calorific value but most of it makes up robust cell walls, an unappetising evolutionary advantage that helped grasses to survive foragers and prosper for more than 60 million years. The trouble is that this robustness still makes them less digestible in the ...

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Spaghetti-like, DNA 'noodle origami' the new shape of things to come for nanotechnology

18-Dec-2017

For the past few decades, scientists have been inspired by the blueprint of life, DNA, as the shape of things to come for nanotechnology. This burgeoning field is called DNA origami. Scientist borrowed its moniker from the paper artists who conjure up birds, flowers and planes from imaginatively ...

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Protein-folding simulations sped up

08-Dec-2017

Proteins, the ubiquitous workhorses of biochemistry, are huge molecules whose function depends on how they fold into intricate structures. To understand how these molecules work, researchers use computer modeling to calculate how proteins fold. Now, a new algorithm can accelerate those vital ...

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New TB drugs possible with understanding of old antibiotic

07-Dec-2017

Tuberculosis, and other life-threatening microbial diseases, could be more effectively tackled with future drugs, thanks to new research into an old antibiotic by the University of Warwick and The Francis Crick Institute. Led by Professor David Roper at Warwick's School of Life Sciences and Dr ...

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Researchers fold a protein within a protein

15-Nov-2017

A team from the NUS Yong Loo Lin School of Medicine (NUS Medicine) has invented a fundamentally new way of folding and protecting recombinant proteins. Sourced from the rapidly expanding field of synthetic biology, this protein-in-a-protein technology can improve functional protein yields by ...

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Initiative taps scientists to create atlas of cells in human spinal cord

18-Oct-2017

Scientists at Columbia's Zuckerman Institute today received a grant from the Chan Zuckerberg Initiative (CZI) donor advised fund, an advised fund of the Silicon Valley Community Foundation, to construct an atlas of gene activity of all cells in the human spinal cord. Once completed, the atlas ...

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