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Cell Biology News
Mon, 05 Oct 2015 13:27:34 EDT
True colors: Using molecular analysis to clarify dino color claims
How do we know that the melanosomes found in the fossils are actually melanosomes and not something else, like leftover impressions from the microbes (some of which also make melanin) that coated the feather during its decay and preservation?
Mon, 05 Oct 2015 13:25:53 EDT
Chernobyl: At site of world's worst nuclear disaster, the animals have returned
In 1986, after a fire and explosion at the Chernobyl Nuclear Power Plant released radioactive particles into the air, thousands of people left the area, never to return. Now, researchers have found that the Chernobyl site looks less like a disaster zone and more like a nature preserve, teeming with elk, roe deer, red deer, wild boar, and wolves.
Fri, 02 Oct 2015 13:31:58 EDT
Cell division: Physical forces involved in creating the mitotic spindle probed
Scientists have gained new insight into the formation of the spindle, which is the molecular machine that divides up genetic material prior to cell division. Their work focuses on the motor protein, kinesin-5, which helps to organize the spindle's filaments.
Fri, 02 Oct 2015 10:35:05 EDT
Researchers design 'biological flashlight' using light-producing ability of shrimp
Researchers describe the design and engineering of the new bioluminescent imaging tool called the “LumiFluor” in a new report. Using the natural light-producing ability of deep-sea shrimp, the team of scientists developed the new imaging tool to help cancer researchers better track tumor development and treatment responses.
Fri, 02 Oct 2015 10:32:52 EDT
Micro photosynthetic power cells may be the green energy source for the next generation
A novel micro-technology, which captures the electrical power generated by the photosynthesis and respiration of blue-green algae, has been created by scientists.
Fri, 02 Oct 2015 08:23:05 EDT
Studying cardiac arrhythmias in nematodes
A simple model using the nematode Caenorhabditis elegans has been developed that can be used to test substances for treating genetically-mediated cardiac arrhythmias. They used the nematode feeding apparatus for this purpose, a rhythmically active muscle pump that resembles the muscle cells in the mammalian heart. This could be an important step on the road to personalized treatment.
Thu, 01 Oct 2015 16:50:33 EDT
Gene suppression helps form memories
A new study has identified a number of genes that are repressed at various time points after memory formation, providing important clues as to how long-term memories are formed.
Thu, 01 Oct 2015 16:50:29 EDT
Genetic mutations linked to a form of blindness
Scientists have identified two naturally occurring genetic mutations in dogs that result in achromatopsia, a form of blindness. One of the most promising avenues for developing a cure, however, is through gene therapy, and to create those therapies requires animal models of disease that closely replicate the human condition.
Thu, 01 Oct 2015 15:11:46 EDT
Removing genes without a trace
Genes may now be deleted without creating a scar in certain strains of Escherichia coli and other microorganisms, thanks to new research. The technique makes it easier to string together several genetic engineering steps without interference caused by a deletion scar.
Thu, 01 Oct 2015 14:26:01 EDT
Tugs and pulls: How a molecular motor untangles protein
E. coli ClpB is a bacterial enzyme that untangles proteins. Such tangles are hallmarks of neurodegenerative diseases like Parkinson’s and Alzheimer’s. A study now offers new insight on this amazing molecular machine, and could lead toward new treatment approaches.
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