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Tag: "team" at biology news

St. Jude study solves mystery of mammalian ears

...ly,” Zuo said. In the current study, Zuo and his team conducted a complex series of studies that showed ...lia dominate amplification in non-mammals. Zuo’s team took advantage of a previously discovered mutated form of prestin that does not make the outer hair ...

Carnegie Mellon scientists find key HIV protein makes cell membranes bend more easily

...d to overcome this resistance. The Carnegie Mellon team found that FP-23 reduces the energy required to pe...ally relevant. Using X-ray diffuse scattering, the team quantified structural properties of different lipid bilayers seeded with FP-23 peptides. The lipid b...

Genomic Analysis Uncovers New Targets for HIV Vaccine

DURHAM, N.C. – An international team of researchers has identified three gene variants in the DNA of 486 people infected with HIV that appear to have helped some of the patients fight off the virus and delay the onset of full-blown AIDS. The researchers expect the new findings to aid t...

Scratch no more: Gene for itch sensation discovered

...or in the spinal cord until now." In fact, Chen's team became interested in GRPR because they were looking for genes in the pain pathway. Among potential pain-sensing genes they identified, GRPR stood out because it is present in only a few nerve cells in the spinal cord known to relay pain and/or itch s...

Common cancer gene sends death order to tiny killer

...the June 8 issue of Molecular Cell. The research team identified a tiny bit of genetic code, a microRNA ...to stop cancer spread." To test their idea, the team first chemically damaged the DNA of two sets of colon cancer cells, one missing p53 and the other co...

Cells re-energize to come back from the brink of death

...asses CICD as well,” Green said. The St. Jude team discovered that a cell that lacks caspase activation and cannot undergo apoptosis increases the levels of an enzyme called GAPDH in order to counteract CICD. GAPDH appears to prevent CICD by supporting the functioning of the mitochondria and triggeri...

Brain inflammation may be friend, not foe, for Alzheimer's patients

... issue of the Journal of Clinical Investigation, a team of scientists from the University of Rochester Med...mer’s by engaging the body’s immune system. The team expected to see the telltale clumps of material known as amyloid plaques, made up of the peptide amy...

Pregnant mom's exposure to flu vaccine kick-starts fetal immune system

... issue of the Journal of Clinical Investigation, a team of researchers led by Rachel Miller from Columbia University used this technique to study cord blood B and T cell immune responses following maternal vaccination against influenza with Fluzone during pregnancy. The vaccination of pregnant women again...

Math that powers spam filters used to understand how brain learns to move our muscles

A team of biomedical engineers has developed a computer m...their report this week in Nature Neuroscience, the team says their new tool could make it possible to predict the best ways to teach new movements and help ...

How sneaky HIV escapes cells

... Gould, Yi Fang, Ning Wu, and other members of his team discovered what’s needed to qualify proteins for e...” Gould says. In one experiment, Gould and his team added chemicals to normal human cells that force nearby proteins together into a clump, and this was...

Crammed with charged DNA, pressure rises inside virus

...terial into the bacterial cells it infects. Now a team led by physicists at the University of California,...istant professor of physics at UCSD who headed the team that published the discovery this week in the early on-line edition of Proceedings of the National A...

CSIRO scientists join fight to save 'Tassie devil'

...own of body functions. The integrated research team at AAHL will use a variety of techniques including... isolated breeding populations.” Dr Church and his team will look to extend their work using the Australian synchrotron infrared beam line when it comes on-...

A new plant-bacterial symbiotic mechanism promising for crop applications

...e zones, very little those of the tropics. The team from the IRD’s ‘Laboratoire des Symbioses Tropicales et Méditerranéennes’ and its partners (1), taking as model a symbiosis between a tropical aquatic legume, Aeschynomene, and Bradyrhizobium, bacteria of the Rhizobia family, have just revealed a new...

Research team identifies new Alzheimer's gene

...e scan using Affymetrix microarray technology. The team screened the DNA from 1,400 individuals who had been clinically assessed with Alzheimer’s prior death, and simultaneously examined more than 500,000 SNPs or genetic variations to characterize and confirm additional LOAD susceptibility genes. The sear...

Bigger horns equal better genes

...least, it does to an alpine ibex. According to a team of international researchers, mature, male alpine ibex demonstrate a correlation between horn growth and genetic diversity. Past research studies have shown that greater genetic diversity correlates with a greater chance of survival. "The size of...

Pesticides choke pathway for nature to produce nitrogen for crops

...oth in the test tube and, now, with real plants, a team of scientists reports that artificial chemicals in...tional Academy of Sciences (PNAS), the five-member team reports that agrichemicals bind to and block connections to specific receptors (NodD) inside rhizobi...

New bacterium discovered -- related to cause of trench fever

...s nevertheless distinct from all of them, the UCSF team found. The UCSF lab is one of the few in the world...of Medicine” in 1992. Several years later, her team discovered that the Bartonella henselae bacterium causes cat scratch disease, an infection that caus...

In mice, drug protects against diabetes and atherosclerosis

...le published online at Nature on June 6, 2007. The team was led by senior author Gökhan Hotamisligil, chair of the Department of Genetics and Complex Diseases at the Harvard School of Public Health (HSPH). Lead author was Masato Furuhashi, research fellow in the department. In earlier studies, Hotamislig...

Ancient DNA traces the woolly mammoth's disappearance

...eral pattern in the new study, Barnes and Lister’s team looked to the extinct woolly mammoth. What they found, however, was an “interesting pattern, not like those of the other species.” Their genetic data indicate that Siberian mammoths expanded from a small base some time before sixty thousand years ...

New study finds genetically engineered crops could play a role in sustainable agriculture

...s important study by an interdisciplinary research team reveals how an in-depth analysis of large quantities of existing data from many individual experiments can provide a greater understanding of a complex issue. The project is enhanced by the creation of a public database, Nontarget Effects of Bt Crop...

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