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Cell Biology News
Fri, 24 Mar 2017 10:49:48 EDT
Amazingly fast, cheap genome sequencing: Zika virus mosquito genome assembled from scratch
A team of scientists has developed a new way to sequence genomes, which can assemble the genome of an organism, entirely from scratch, dramatically cheaper and faster.
Fri, 24 Mar 2017 10:48:45 EDT
Evolutionary advantage of the common periwinkle
A special kind of small sulfur-rich proteins, the metallothioneins, have an extraordinarily large capability for binding heavy metals. An international team of scientists has now discovered that the marine common periwinkle, which is widely considered a delicacy, contains the largest version of the protein found yet, with one additional cadmium-binding domain and a one-third higher detoxification capacity. This feature may help the snail survive in heavy-metal-polluted environments.
Fri, 24 Mar 2017 10:48:24 EDT
Hydrophobic proteins on virus surfaces can help purify vaccines
Through experimental and computational tests, new research expands on the theory of virus surface hydrophobicity. By being slightly water-repellent, the outer layers of proteins in virus capsids affect how it interacts with cells and the environment. Understanding this more can improve vaccine production and virus detection.
Thu, 23 Mar 2017 14:13:35 EDT
Membrane lipids hop in and out of rafts in the blink of an eye
New fluorescent lipids demonstrate how specialized regions in the cell membrane function, explain researchers in a new report.
Thu, 23 Mar 2017 14:13:26 EDT
Designer proteins fold DNA: Biophysicists construct complex hybrid structures using DNA and proteins
Scientists have developed a new method that can be used to construct custom hybrid structures using DNA and proteins. The method opens new opportunities for fundamental research in cell biology and for applications in biotechnology and medicine.
Thu, 23 Mar 2017 13:25:32 EDT
Scientists reveal hidden structures in bacterial DNA
Researchers have described the 3D structure of the genome in the extremely small bacteria Mycoplasma pneumoniae. They discovered previously unknown arrangements of DNA within this tiny bacteria, which are also found in larger cells. Their findings suggest that this type of organization is a universal feature of living cells.
Thu, 23 Mar 2017 08:36:20 EDT
Immune study in chickens reveals key hurdle for Campylobacter vaccine effort
The immune response of farmed chickens does not develop fast enough to fight off Campylobacter during their short lifespan, new research has found. The findings have important implications in the challenge towards developing a poultry vaccine for the bug, which is the UK's leading cause of food poisoning.
Wed, 22 Mar 2017 15:32:47 EDT
Research questions effectiveness of translocation conservation method
A DNA study of endangered greater prairie chickens in Illinois indicates that supplementing the dwindling population with birds from out of state did not improve genetic diversity.
Wed, 22 Mar 2017 15:27:53 EDT
Heart tissue grown on spinach leaves
Researchers face a fundamental challenge as they seek to scale up human tissue regeneration from small lab samples to full-size tissues and organs: how to establish a vascular system that delivers blood deep into the developing tissue. Researchers have now successfully turned to plants, culturing beating human heart cells on spinach leaves that were stripped of plant cells.
Wed, 22 Mar 2017 13:21:14 EDT
Machine learning lets scientists reverse-engineer cellular control networks
Researchers have used machine learning on the Stampede supercomputer to model the cellular control network that determines how tadpoles develop. Using that model, they reverse-engineered a drug intervention that created tadpoles with a form of mixed pigmentation never before seen in nature. They plan to use the method for cancer therapies and regenerative medicine.
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