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Preview: Brightsurf Science News :: Microbiology News

Microbiology Current Events and Microbiology News from Brightsurf

Microbiology Current Events and Microbiology News Events, Discoveries and Articles from Brightsurf

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Stagnation in the South Pacific

Thu, 22 Feb 18 00:11:30 -0800

A team led by geochemist Dr. Katharina Pahnke from Oldenburg has discovered important evidence that the rise in atmospheric carbon dioxide levels at the end of the last ice age was triggered by changes in the Antarctic Ocean.

Scientists find new antimalarial drug targets

Tue, 20 Feb 18 00:00:50 -0800

Researchers have discovered crucial new processes that allow malaria parasites to escape red blood cells and infect other cells, offering potential new treatment targets. The team are already working with pharmaceutical companies to use this knowledge to develop new antimalarial drugs - a critical step in the battle against drug-resistant malaria.

Biochemical networks mapped in midgut of Aedes aegypti mosquitoes

Thu, 15 Feb 18 00:08:30 -0800

Scientists have mapped for the first time the midgut metabolites of the Aedes aegypti, the mosquito that can transmit viruses that cause dengue, Zika, chikungunya and yellow fever to humans.

A pair of RNA scissors with many functions

Wed, 07 Feb 18 00:06:50 -0800

Arming CRISPR/Cas systems with an enzyme that also controls the translation of genetic information into protein.

How viruses disarm the immune system

Mon, 05 Feb 18 00:16:00 -0800

How do viruses that cause chronic infections, such as HIV or hepatitis c virus, manage to outsmart their hosts' immune systems? The answer to that question has long eluded scientists, but new research from McGill University has uncovered a molecular mechanism that may be a key piece of the puzzle. The discovery could provide new targets for treating a wide range of diseases.

ID'ing features of flu virus genome may help target surveillance for pandemic flu

Wed, 31 Jan 18 00:16:00 -0800

Researchers at Washington University School of Medicine in St. Louis have identified features of the influenza virus genome that affect how well the virus multiplies. These features are similar but not identical across viral strains. It's possible that the extent of similarity between strains influences whether two flu viruses can mix their genetic material to make a hybrid virus with the potential to explode into pandemic flu.

Study finds bacteria in milk linked to rheumatoid arthritis

Tue, 30 Jan 18 00:14:40 -0800

A strain of bacteria commonly found in milk and beef may be a trigger for developing rheumatoid arthritis in people who are genetically at risk, according to a new study from the University of Central Florida.

Microcapsules gain a new power -- scavenging reactive oxygen species

Tue, 30 Jan 18 00:15:40 -0800

Stable, biocompatible microcapsules have gained a new power -- the ability to scavenge reactive oxygen species. This may aid microcapsule survival in the body as the tiny polymer capsules carry a drug or other biomolecules. The microcapsules may also find use in antioxidant therapy or in industrial applications where scavenging of free radicals is needed.

Viruses that infect bacteria abound in bladder

Mon, 29 Jan 18 00:04:30 -0800

Phages -- viruses that infect bacteria -- are abundant in the bacteria that inhabit the female bladder. This is good news, because phage could be used as alternative treatment when antibiotics become resistant to pathogenic bacteria.

Study: Site of 1st chlamydia exposure makes big difference

Fri, 26 Jan 18 00:05:30 -0800

Exposing the gut to chlamydia protects against subsequent infection in the genital tract and other tissues, researchers from UT Health San Antonio discovered. Chlamydia is the nation's most common sexually transmitted disease and causes infertility, ectopic pregnancy and pelvic inflammatory disease if left untreated.

New technique for finding life on Mars

Thu, 18 Jan 18 00:14:40 -0800

Miniaturized scientific instruments and new microbiology techniques successfully identified and characterized microorganisms living in Arctic permafrost -- one of the closest analogs to Mars on Earth. By avoiding delays that come with having to return samples to a laboratory for analysis, the methodology could also be used on Earth to detect and identify pathogens during epidemics in remote areas.

Zika virus damages placenta, which may explain malformed babies

Thu, 18 Jan 18 00:03:50 -0800

New researcher shows how Zika virus infection in five pregnant rhesus monkeys caused placental tissues to become thickened and inflamed, resulting in less oxygen being transported across the placenta and to the baby.

'Magic pools' approach can hurry studies of novel bacteria

Tue, 16 Jan 18 00:02:20 -0800

To characterize the genes of newly identified bacteria, microbiologists often introduce mutations within the bacteria using mobile DNA segments called transposons to study the impact of these mutations.

Nature has more than one way to make methane, say Utah State University biochemists

Mon, 15 Jan 18 00:15:30 -0800

Utah State University biochemists, with collaborators from the University of Washington and Montana State University, report a bacterial, iron-only nitrogenase pathway for methane formation.

Unexpected environmental source of methane discovered

Mon, 15 Jan 18 00:14:10 -0800

Roughly 10 percent of nitrogen-fixing microorganisms contain the genetic code for manufacturing a back-up enzyme, called iron iron-only nitrogenase, to do their job. New research reveals that this enzyme allows these microorganisms to convert nitrogen gas to ammonia and carbon dioxide into methane at the same time. This enzymatic pathway is a previously unknown route for the natural biological production of methane.

Precision editing of gut bacteria: Potential way to treat colitis

Thu, 04 Jan 18 00:02:40 -0800

UT Southwestern Medical Center researchers have used precision editing of the bacterial populations in the gut to prevent or reduce the severity of inflammation in a mouse model of colitis.

Tuberculosis drugs work better with vitamin C

Wed, 03 Jan 18 00:04:50 -0800

Studies in mice and in tissue cultures suggest that giving vitamin C with tuberculosis drugs could reduce the unusually long time it takes these drugs to eradicate this pathogen. The research is published in Antimicrobial Agents and Chemotherapy, a journal of the American Society for Microbiology.

BIDMC researchers use artificial intelligence to identify bacteria quickly and accurately

Fri, 15 Dec 17 00:01:30 -0800

Microscopes enhanced with artificial intelligence (AI) could help clinical microbiologists diagnose potentially deadly blood infections and improve patients' odds of survival, according to microbiologists at Beth Israel Deaconess Medical Center (BIDMC).

Cystic fibrosis: Discovery of a key molecule for improving treatments

Tue, 12 Dec 17 00:01:40 -0800

Canadian researchers identify a promising avenue for improving treatments for people with cystic fibrosis. They found that adding molecules called quorum-sensing inhibitors to current drugs not only reduces bacterial production of certain harmful residues but also restores the efficacy of existing treatments, such as Orkambi and Kalydeco, on the cells of cystic fibrosis patients. This breakthrough published in Frontiers in Cellular and Infection Microbiology paves the way for new personalized therapies.

Research could pave the way for pre-hospital treatment for seriously injured patients

Tue, 12 Dec 17 00:05:00 -0800

Scientists hope to have paved the way for the development of potentially new life-saving treatments to be administered to seriously injured patients in the critical first hour of injury.

Drug blocks Zika, other mosquito-borne viruses in cell cultures

Tue, 12 Dec 17 00:12:40 -0800

Dengue, Zika, West Nile and yellow fever virus -- to name the more notorious public health gangsters of this clan -- are all mosquito-borne flaviviruses, and they're notoriously hard to take out. Researchers struggle to find drugs to combat just a single flavivirus at a time. Now, researchers at the Stanford University School of Medicine have discovered a way to block a handful of members of the family at once.

Typhoid fever toxin has a sweet tooth
Although the insidious bacterium Salmonella typhi