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Genetics News
Tue, 16 Oct 2018 15:42:41 EDT
Sex or food? Decision-making in single-cell organisms
Unicellular diatoms are able to adapt their behavior to different external stimuli based on an evaluation of their own needs. In experiments, Seminavis robusta diatoms directed their orientation either towards nutrient sources or mating partners, depending on the degree of starvation and the need to mate.
Tue, 16 Oct 2018 11:01:20 EDT
A selfish gene makes mice into migrants
House mice carrying a specific selfish supergene move from one population to another much more frequently than their peers. This finding shows for the first time that a gene of this type can influence animal migratory behavior. It could help in dealing with invasive plagues transmitted by mice.
Mon, 15 Oct 2018 13:29:34 EDT
Virus-resistant pigs to vastly improve global animal health
Researchers have successfully produced a litter of pigs that are genetically resistant to Transmissible Gastroenteritis Virus (TGEV), which commonly infects the intestines of pigs and causes almost 100 percent mortality in young pigs.
Mon, 15 Oct 2018 11:35:24 EDT
Unravelling the genetics of fungal fratricide
Selfish genes are genes that are passed on to the next generation but confer no advantage on the individual as a whole, and may sometimes be harmful. Researchers have, for the first time, sequenced (or charted) two selfish genes in the fungus Neurospora intermedia that cause fungal spores to kill their siblings. Unexpectedly, the genes were not related to each other, perhaps indicating that selfish genes are more common than previously thought.
Mon, 15 Oct 2018 10:45:45 EDT
Cellular 'tuning mechanism' builds elegant eyes
Scientists discover a molecular 'brake' that helps control eye lens development in zebrafish.
Mon, 15 Oct 2018 10:45:42 EDT
The tightest non-aminoglycoside ligand for the bacterial ribosomal RNA A-site
A research group has made a significant discovery with positive implications for the development of bacteria-fighting drugs. The aminoacyl-tRNA site (A-site) of the 16S RNA decoding region in the bacterial ribosome looks promising for a new era of antibiotic drug development.
Mon, 15 Oct 2018 10:04:56 EDT
Artificial intelligence aids automatic monitoring of single molecules in cells
Researchers developed a system that can automatically image single molecules within living cells. This system employs learning via neural networks to focus appropriately on samples, search automatically for cells, image fluorescently labeled single molecules, and track their movements. With this system, the team achieved the automated determination of pharmacological parameters and quantitative characterization of the effects of ligands and inhibitors on a target, which has potentially profound implications for biological and medical sciences.
Mon, 15 Oct 2018 08:45:53 EDT
Cells' route in response to disease is not always straight
The steps cells take in response to challenges are more complex than previously thought, finds new research. The study investigates a system relevant to cancer, viral infection, and diabetes.
Fri, 12 Oct 2018 15:16:33 EDT
An RNA key that unlocks innate immunity
New research shows that a versatile RNA molecule may be a key player in human cells' frontline defenses against viruses.
Thu, 11 Oct 2018 14:31:53 EDT
Getting to the root of lavender's secrets
A team of researchers has identified the complete genetic makeup of the lavender plant, Lavandula angustifolia.
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