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Microbiology News
Wed, 17 Oct 2018 09:49:40 EDT
Plant hormone makes space farming a possibility
With scarce nutrients and weak gravity, growing potatoes on the Moon or on other planets seems unimaginable. But the plant hormone strigolactone could make it possible, plant biologists have shown. The hormone supports the symbiosis between fungi and plant roots, thus encouraging plants' growth -- even under the challenging conditions found in space.
Tue, 16 Oct 2018 11:01:05 EDT
Infectious diarrhea spores survive high temperatures of hospital laundering
Washing contaminated hospital bedsheets in a commercial washing machine with industrial detergent at high disinfecting temperatures failed to remove all traces of Clostridium difficile (C. difficile), a bacteria that causes infectious diarrhea, suggesting that linens could be a source of infection among patients and even other hospitals, according to a new study.
Tue, 16 Oct 2018 08:13:51 EDT
Dual vaccine against anthrax and plague
A team of researchers has now engineered a virus nanoparticle vaccine against Bacillus anthracis and Yersinia pestis, tier 1 agents that pose serious threats to national security of the United States. B. anthracis and Y. pestis are the pathogens that cause anthrax and plague, respectively. Using bacteriophage T4, the scientists developed the vaccine by incorporating key antigens of both B. anthracis and Y. pestis into one formulation. Two doses of this vaccine provided complete protection against both inhalational anthrax and pneumonic plague in animal models.
Mon, 15 Oct 2018 15:06:46 EDT
How beetle larvae thrive on carrion
The burying beetle Nicrophorus vespilloides buries the cadavers of small animals to use them as a food source for its offspring. However, the carcass is susceptible to microbial decomposition. Researchers show that the beetles replace harmful microorganisms with their own beneficial gut symbionts, thus turning a carcass into a nursery with a microbial community that even promotes larval growth.
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.
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.
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