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Battling superbugs with new biotechnologies

Using a gene-editing system that can disable any target gene, researchers have shown that they can selectively kill bacteria carrying harmful genes that confer antibiotic resistance or cause disease.

Sep 23rd, 2014

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The accelerator of molecular motors

Researchers have successfully identified the 'molecular accelerator' that activates the peroxisomal processes. To their surprise, it turned out to be an old acquaintance: a certain module of the familiar protein Pex22p, which has hitherto always been considered an anchor protein.

Sep 22nd, 2014

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A refined approach to proteins at low resolution

Crystals of membrane proteins and protein complexes often diffract to low resolution owing to their intrinsic molecular flexibility, heterogeneity or the mosaic spread of micro-domains. At low resolution, the building and refinement of atomic models is a more challenging task. The deformable elastic network refinement method developed previously has been instrumental in the determination of several structures at low resolution. Here, DEN refinement is reviewed.

Sep 19th, 2014

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Scientists create therapy-grade stem cells using new cocktail to reprogram adult cells

Researchers have developed a new cocktail that coaxes adult cells to become pluripotent stem cells of a high enough quality to be used in therapeutic applications. Their research showed that using a different combination of reprogramming factors can produce a much higher quality result, delivering fewer colonies of iPSCs of which 80 percent passed the toughest pluripotency test.

Sep 16th, 2014

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Researchers develop improved means of detecting mismatched DNA

Scientists have identified a highly sensitive means of analyzing very tiny amounts of DNA. The discovery, they say, could increase the ability of forensic scientists to match genetic material in some criminal investigations. It could also prevent the need for a painful, invasive test given to transplant patients at risk of rejecting their donor organs and replace it with a blood test that reveals traces of donor DNA.

Sep 15th, 2014

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Measuring modified protein structures

Researchers have developed a new approach to measure proteins with structures that change. This could enable new diagnostic tools for the early recognition of neurodegenerative diseases to be developed.

Sep 14th, 2014

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