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Tag: "brought" at biology news

Yellowstone microbes fueled by hydrogen, according to U. of Colorado study

...vetheir food - dissolved hydrogen, in this case -- brought to them."Spear explained that the hot springs' colors are the result ofinteractions between minerals and the microbes living in the pools.Hotter water usually shows colors from minerals, and cooler water playshost to photosynthetic pigments."Based on...

The transparent organism: EMBLEM and Carl Zeiss give labs a unique look at life

A novel high-tech microscope will be brought to the marketplace, giving laboratories everywhere fascinating new insights into living organisms. EMBLEM Technology Transfer GmbH (EMBLEM), the commercial entity of the European Molecular Biology Laboratory (EMBL), announced today that it has signed...

Jefferson Virologists Coax HIV Out of Hiding

...of sub-strains of HIV that are differentthan those brought out of latency by other agents, such as IL-2,another immune cytokine, or OKT3, a monoclonal antibody. He suspectssuch strains may be from an unknown viral reservoir in the blood. “IL-7may teach us something,?he says. “We’re not sure why only thesecer...

MSI releases 'moleculizer' - a new approach to simulation of intracellular biochemical networks

...he mathematicaland algorithmic skills that Dr. Lok brought to the problem could onlycome from one with his strengths, but the work is important because itaddresses a problem arising directly from the biology."Dr. Daniel Gillespie, a pioneer in stochastic methods for modelingchemical kinetics stated, "Dr. Lok...

A frog's life is food for thought

...ding Range, including Dalby and Goondiwindi. They brought the frogs back to the laboratory where one group was kept in aestivation while the other group were not allowed to aestivate and were fed regularly. "I compared the various aspects of their gut biology and physiology," she said. "We put animals int...

Controlling protein diversity

...ein results. "This subgroup of coactivators, when brought to the gene, can enhance the amount of RNA made off the gene or the quantitative expression of that gene as well as qualitatively change what comes off the gene in terms of what protein is made," said O'Malley. These coactivators are unusual in that ...

Fibril Shape Is The Basis Of Prion Strains And Cross-species Prion Infection

...umans but not hamsters. But when mouse prions were brought into contact with hamster prion amyloid fibrils, a new strain of mouse fibrils emerged with the ability to infect hamsters but not humans. The new mouse strain had the same amino acid sequence as the original mouse strain but completely different inf...

Marburg haemorrhagic fever in Angola update

...vers, including Ebola, outbreaks of Marburg can be brought to an end using classic public health intervention...onses to outbreaks of other diseases have all been brought to bear on the present outbreak, and the success of this collaborative effort has surpassed initial ...

UNC launches study of liver injury caused by drugs

...on. In addition to enrolling patients as they are brought to medical attention, DILIN is establishing a registry of patients who at any time since 1994 developed severe liver injury due to one of four specific drugs. The four are the tuberculosis drug isoniazid, the anti-seizure medications phenytoin and va...

Scientists journey to southern Africa to unravel the secret world of elephant communication

...ts acoustic sounds into vibrations. The device was brought to Mushara in 2002 and buried near the waterhole. Using long wires, the researchers connected the shaker to a tape deck installed in the upper level of the observation tower 100 yards away. Every time a herd showed up at the waterhole, O'Connell-Rod...

NYU and MSKCC research provides model for understanding chemically induced cancer initiation

... to that in a p53 mutation hot spot. The change is brought about by the presence of a single methyl group (composed only of one carbon and three hydrogen atoms) on a cytosine base adjacent to the damaged site. Without this methyl group, the bulky chemical carcinogen resides at an external binding site in the...

Marine sponge yields nanoscale secrets

...cles, each bearing half of the catalytic site, are brought together, they function just as the natural biological catalyst does to make silica at low temperatures. The UCSB scientists are already taking the next steps toward the development of practical new and useful methods of nanoscale production by inco...

Supercomputers to focus brains on AIDS dilemma

...ral enzyme HIV protease, these protease inhibitors brought greatly extended life-spans to patients who previously faced early deaths. Structural biology and molecular dynamics computer simulations played an important role in these discoveries. However, in recent years, mutant strains of HIV have shown incre...

Researchers develop assay that could be applied to drug screening

...eins linked to the actin framework of the cell are brought to sites of coated pit. Actin is a protein polymer used by cells both as a structural element, and to generate force through polymerization. "The role played by actin in clathrin mediated endocytosis has been controversial for a long time," Zenisek ...

Brain May Be Less Plastic Than Hoped

... between scans,?said Smirnakis. “And then, when we brought them back to the scanner, the region of their cortex corresponding to the blind spot would have shrunk.?Instead, though, the silent region remained the same size each time. The neurons surrounding it did not reach out to fill it in. Because fMRI dat...

To Stop Evolution: New Way Of Fighting Antibiotic Resistance Demonstrated By Scripps Scientists

...ted to massive amounts of ultraviolet light. This brought Romesberg to the conclusion that mutation is a programmed stress response -- a survival mechanism. If the cell senses damage, and if the damage persists beyond its ability to repair it, the cell will turn on its mutation machinery and open the floodg...

Making Sure Sacred Sheep Don't Become Extinct

... the Navajo tribe of the Southwest. The breed was brought to this country 500 years ago by Spanish settlers, and Navajos have embraced and raised the breed since then. Over time, though, others convinced the tribe to raise different breeds, so Navajo-Churro numbers are dwindling. This project is different ...

Sugar beet virus mutation requires Texas touch

...harvest time. Soil samples and infected beets are brought back to the lab at Bushland. Sugar beets are planted in the contaminated soil and the virus is purified from the infected plants, he said. The virus isolate is cultured in test tubes, and the plants are no longer needed. "We're trying to find out wh...

Researchers find gene that may be at root of potato blight

...inued. For example, a late blight breakout in 2003 brought potato production to a halt in Papua New Guinea , one of the few countries in the world that was previously free of the disease. Agricultural problems caused by oomycetes don't stop with P. infestans. Related Phytophthora species cause root rot in s...

WHO suspends Marburg work, appeals for new funds

...thin the community can be stopped and the outbreak brought under control. International appeal Specialized international staff and equipment have been deployed rapidly and measures are beginning to have an impact. Control of the outbreak will require intensified and sustained technical support from multidi...

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