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Cell Biology News
Tue, 27 Jun 2017 13:45:18 EDT
Genetic engineering tool generates antioxidant-rich purple rice
Researchers in China have developed a genetic engineering approach capable of delivering many genes at once and used it to make rice endosperm -- seed tissue that provides nutrients to the developing plant embryo -- produce high levels of antioxidant-boosting pigments called anthocyanins. The resulting purple endosperm rice holds potential for decreasing the risk of certain cancers, cardiovascular disease, diabetes, and other chronic disorders.
Tue, 27 Jun 2017 10:54:58 EDT
Insights into closed enzymes
Scientists have arrived at a structural model of the enzyme adenylate kinase in its closed state.
Tue, 27 Jun 2017 10:54:55 EDT
Structures vital to virus replication illuminated
Scientists have, for the first time, imaged molecular structures vital to how a major class of viruses replicates within infected cells. The research uses pioneering cryo-electron tomography to reveal the complex viral replication process in vivid detail, opening up new avenues to potentially disrupt, dismantle or redirect viral machinery.
Tue, 27 Jun 2017 10:53:58 EDT
Bioplastic derived from soya protein which can absorb up to forty times its own weight
Researchers are testing the strength of a new organic material as a dispenser of micronutrients in crops. This new product, which is organic and biodegradable, is environmentally friendly. For that reason, the experts are exploring its use in the area of horticulture, specifically as a raw material from which to make agricultural nutrient dispensers.
Tue, 27 Jun 2017 10:53:40 EDT
Jellyfish fluorescence shines new light on DNA copying
Scientists have used florescent proteins from jellyfish to help shed new light on how DNA replicates.
Mon, 26 Jun 2017 19:06:25 EDT
Could humans ever regenerate a heart? A new study suggests the answer is 'yes'
A new study's findings point to potential for tweaking communication between human genes and advancing our ability to treat heart conditions and stimulate regenerative healing.
Mon, 26 Jun 2017 18:09:12 EDT
Hunting microbes or smelling poison: A matter of evolution
Mammals possess several lines of defense against microbes. One of them is activated when receptors called Fprs, which are present on immune cells, bind to specific molecules that are linked to pathogens. Researchers showed in 2009 that these same receptors were also present in the nose of mice, probably to detect contaminated food or to avoid sick conspecifics. The biologists now describe how Fprs have acquired this olfactory role during rodent evolution, moving from the immune system to a neuronal system.
Mon, 26 Jun 2017 15:57:32 EDT
Why social isolation can bring a greater risk of illness
Social isolation in the fruit fly Drosophila melanogaster, leads to sleep loss, which in turn leads to cellular stress and the activation of a defense mechanism called the unfolded protein response.
Mon, 26 Jun 2017 15:57:24 EDT
Chimpanzee 'super strength' and what it might mean in human muscle evolution
For years, anecdotes and some studies have suggested that chimpanzees are 'super strong' compared to humans, implying that their muscle fibers are superior to humans'. Now a research team reports that contrary to this belief, chimp muscles' maximum dynamic force and power output is just about 1.35 times higher than human muscle of similar size, a difference they call 'modest' compared with historical, popular accounts of chimp 'super strength,' being many times stronger than humans.
Mon, 26 Jun 2017 13:57:28 EDT
A little place for my stuff: How big bacteria can grow depends on how much fat they can make
Just as people endlessly calculate how to upsize or downsize, bacteria continually adjust their volume (their stuff) to fit inside their membrane (their space). But what limits their expansion? The answer will surprise you.
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