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Genetics News
Thu, 11 Feb 2016 08:52:02 EST
How your cells build tiny 'train tracks' could shed light on human disease
Researchers have discovered how cells in the human body build their own ‘railway networks’, throwing light on how diseases such as bowel cancer work. The microtubule tracks are vital for functions such as cell division and are a key target for key cancer drugs. Now researchers are studying how these microtubule tracks are assembled.
Wed, 10 Feb 2016 17:06:21 EST
Remember where you're going? How scent helps
In bloodhounds and neutrophils, getting the scent is not enough. Dogs and immune cells have to remember the chemoattractant they are pursuing, even when it momentarily fades out or threatens to overwhelm.
Wed, 10 Feb 2016 17:01:39 EST
Mechanism that unwinds DNA may function similar to an oil rig 'pumpjack'
DNA is unwound by a type of “pumpjack” mechanism, similar to the way one operates on an oil rig, a team of scientists suggests. This finding is based on new close-up images of the proteins that unwind DNA inside the nucleus of a yeast cell and could offer insight into ways that DNA replication can go awry and trigger disease.
Wed, 10 Feb 2016 13:46:57 EST
A new method furthers understanding of evolutionary genetics
The ultimate goal of evolutionary biology is to understand how mutations in DNA shape the growth and behavior of all living things. Standard research tools facilitate genetic studies of closely related individuals -- for example, the variation of lactose intolerance between humans. But understanding the differences between long-separated species has remained a challenge. New research breaks through this roadblock by focusing on distantly related species of yeast.
Wed, 10 Feb 2016 13:46:53 EST
New method opens crystal clear views of biomolecules
A scientific breakthrough gives researchers access to the blueprint of thousands of molecules of great relevance to medicine and biology. The novel technique, opens up an easy way to determine the spatial structures of proteins and other molecules, many of which are practically inaccessible by existing methods.
Wed, 10 Feb 2016 11:07:52 EST
Chemical cages: New technique advances synthetic biology
A clever means of localizing and confining enzymes and the substrate molecules they bind with has been presented by researchers, speeding up reactions essential for life processes.
Tue, 09 Feb 2016 13:20:57 EST
Identifying plant, animal DNA switches much faster, cheaper
Ecological epigenetics has now been further advanced thanks, to the development of a new research technique. Epigenetic research has grown immensely as a field of research all across the world. In humans, for example, it proved to be connected to the development of cancer cells and to environmental factors affecting the fetus during pregnancy. The latter includes factors such as smoking or the distress of wars. Interest in epigenetics has also recently entered the field of ecological and evolutionary research.
Tue, 09 Feb 2016 12:17:22 EST
Ancient gene network helps plants adapt to their environments
A team of scientists has discovered the purpose of a highly conserved genetic tool that is present in both mosses and flowering plants, organisms whose common ancestor dates back 450 million years. The gene network, which comprising a snippet of non-coding genetic material called a small RNA and the protein it regulates, has been used over the eons to make plants more sensitive to environmental cues and facilitate robust, yet flexible, responses to those cues.
Tue, 09 Feb 2016 09:04:08 EST
The herbivore dilemma: How corn plants fights off simultaneous attacks
When some maize varieties generate defensive compounds against caterpillars they become more susceptible to aphids, researchers have found.
Tue, 09 Feb 2016 09:03:52 EST
Tick genome reveals inner workings of a resilient blood-guzzler
Scientists have sequenced the genome of the tick that transmits Lyme disease, the most common vector-borne illness in North America.
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