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Tag: "lab" at biology news

One species, many genomes

... of 19 wild strains with that of the genome of the lab strain, which was sequenced in the year 2000. Using a very elaborate procedure, they examined every one of the roughly 120 million building blocks of the genome. For their molecular sleuthing they used almost one billion specially designed DNA probes...

Agent slows aging in mice

...iller reports early results from a mouse study his lab and two others are conducting for the National Institute on Aging. The study, now in its fourth year, will test as many as two dozen possible anti-aging agents in animals in the next five years. The other centers are the University of Texas Health Sc...

New bacterium discovered -- related to cause of trench fever

...ct from all of them, the UCSF team found. The UCSF lab is one of the few in the world able to isolate and grow human Bartonella species, and culture of the new organism made study of the DNA much easier. Also collaborating on the research were scientists at the Massachusetts General Hospital of Harva...

Studies to find better ways to preserve human eggs, ovarian tissue under way

...f ice crystals within. Dr. Song, whose research lab is in MCG’s biotech incubator, has developed cryoprotectants that can be used safely in higher doses as well as agents to help protect tissue during the ultra-rapid process of de-vitrification. “People use low concentrations of cryoprotection bec...

In mice, drug protects against diabetes and atherosclerosis

...he department. In earlier studies, Hotamisligil's lab members researched mice lacking two lipid-binding ...developed. Recently, researchers in Hotamisligil's lab and at the Garvan Institute of Medical Research in Australia also demonstrated that these genes were...

Undergraduate research shows leaderless honeybee organizing

...2, has been working as a researcher in Schneider’s lab for the past two years through a UNC Charlotte Hon...– they are totally de-centralized.” Schneider’s lab studies the honeybee and its behavioral ecology. Like humans, honeybees are remarkable for living i...

Marine phytoplankton changes form to protect itself from different predators

.... Conducted largely at Georgia Tech’s marine lab in Savannah, Ga., the research was sponsored by the U.S. National Science Foundation and the U.S. Environmental Protection Agency. Phaeocystis has two primary predators: small grazers such as ciliates, which prefer to eat small solitary cells that...

Helping chlorine-eating bacteria clean up toxic waste

...icular condition produces a particular result, the lab will try it out and see if the result matches the model. Eventually, Richardson said, some commonalities should appear. "There will be a suite of models, and we can highlight features that are common across several models," she said. "As we develo...

Revealed -- Mosquito genes that could be controlling the spread of killer viruses

...os, senior researcher of Imperial’s immunogenomics lab and co-author of the paper, explains the significance of their study, saying: “Understanding the genetics behind pathogen/immune system interactions in disease vector mosquitoes may help us understand why, for example, some types of mosquitoes can tr...

How plague-causing bacteria disarm host defense

...na Navarro, Ph.D., post-doctoral researcher in the lab of the study's principle investigator, Jack E. Dixon, Ph.D., professor of Pharmacology and Cellular and Molecular Medicine at the UCSD School of Medicine. Identifying this new target is the first step to developing effective strategies for preve...

Avian influenza survivors' antibodies effective at neutralising H5N1 strain

...d neutralizing activity of these antibodies in the lab and the moderate doses required." Using administered antibodies has a historical precedent. During the 1918 Spanish H1N1 influenza pandemic, there were multiple reports of physicians administering blood taken from survivors to patients infected wi...

Detecting cold, feeling pain: Study reveals why menthol feels fresh

...Bautista, PhD, and Jan Siemens, PhD, of the Julius lab and Joshua M. Glazer, PhD, of the lab of co-senior author Cheryl Stucky, PhD, of the Medical College of Wisconsin – puts that question to ...

Moths mimic sounds to survive

...n bats and red bats. Barber raised the bats in the lab so behavior learned in the wild would not influence the results of the experiment. Barber said anecdotal observations have suggested that animals such as snakes, owls and bees use acoustic mimicry. This study takes the next step and provides th...

Salk scientists hammer out a pathway that promotes muscle cell survival in mice

...reduced SIK1 activity in muscle cells grown in the lab using a technique that silences gene expression. Less SIK1 activity resulted in less phosphorylated HDAC. With the unphosphorylated HDAC brake now firmly in place, expression of muscle-specific target genes was also reduced. Conversely, when the rese...

'Personality-gene' makes songbirds curious

...r Ornithology in Seewiesen, together with a former lab member who is now at the Cawthron Institute in Nelson (New Zealand) and with colleagues from the Netherlands Institute of Ecology in Heteren, have shown that the choice of the Drd4-gene in the study of the great tit turned out to be a good bet. ...

Scripps research team sheds light on long-sought cold sensation gene

...ps Research postdoctoral fellow in the Patapoutian lab and lead author on the Neuron paper. "It really highlights the importance of the peripheral nervous system and how temperature affects our behavior," he says. The altered mice also showed little response to the application of acetone to their hi...

pHLIP, a novel technology to locate and treat tumors

... the paper] have taken a recent discovery from our lab and we are pushing hard as a team to test possible applications,?said Engelman. “We are very excited by the possibilities for both imaging and treating tumors.? The pHLIP molecule has three states: soluble in water, bound to the surface of a m...

Anthrax paralyzes immune cells with lethal toxin, UF research shows

... The current method of detecting anthrax relies on lab cultures that can take days to complete. "We're looking for approaches to detect anthrax earlier in the blood," said Russell During, Ph.D., a postdoctoral fellow at UF's College of Medicine. "We're trying to develop a test that would allow detecti...

How to steer a moving cell

...cell fractionation equipment developed in Klemke’s lab is the first method to enable researchers to study the entire network of signaling proteins. "To find out what goes wrong during metastasis, we need to understand how the signaling networks are controlled in normal healthy cells," said Klemke. "T...

Newborn neurons like to hang with the 'in' crowd

...hey are not reaching out to deadbeats. The Gage lab previously identified a subunit of the NMDA receptor, a protein complex that transduces signals sent by neighboring cells, as the newborn neurons' life-saving equipment. The NMDA receptor is activated by the neurotransmitter glutamate, a chemical rel...

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