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Tag: "its" at biology news

Flocking together: Study shows how animal groups find their way

...anks of the University of Bristol. In addition to its biological insights, the research may provide ideas for designing robots that work together in groups, said Couzin, who has collaborated with roboticists at Princeton on designs for fleets of underwater vehicles. "Say you had a group of robots explo...

Liposome finding implies electrical effect on cell development

...logy. "This finding might not only be important in its application to understanding life processes, but it has a potentially exciting practical application in the fabrication of bionanotubes," he said. Images/video: http://bionanotubes.homestead.com ...

NIH Calls on Scientists to Speed Public Release of Research Publications

...from NIH-funded research. The policy ?the first of its kind for NIH ?calls on scientists to release to th...endium of these research publications that NIH and its awardees can use to manage more efficiently and to understand better their research portfolios, moni...

Reducing malarial transmission in Africa

...ation in several African countries, largely due to its low cost. Altogether, the six-dose regimen of co-artemether was highly effective at reducing whether and how long children had gametocytes - the infective form of the malarial parasite - in their blood. The numbers of gametocytes carried and how able...

Advances in the characterisation of the oyster mushroom genes

... anticancerogenic properties, is characterised for its capacity for breaking down cellulose. Finding out ...y distinct from the others: it lacks a fragment at its end. It should be pointed out that the genes that are together and the lone one are located on chro...

Discovery Promises Simpler Therapy for Sickle Cell Disease

...0s, Stamler's team discovered that, in addition to its role in oxygen delivery, hemoglobin acts a biosensor, adjusting blood flow according to the oxygen demand of tissues and organs, by distributing nitric oxide. Reports by the team in 2001 and 2002 further detailed nitric oxide's role in the red blood...

Alaskan puzzles, monitoring provide insight about North Pacific salmon runs

...om the Gordon and Betty Moore Foundation to expand its sampling scope and sophistication. The Alaska-bas...Foundation grant is for three years and is part of its Wild Pacific Salmon Ecosystem Initiative. The initiative focuses on salmon conservation in pristine ...

Nanoscale Diagnostic Sets Sights on Alzheimer's

...elop, doctors may be able to combat the illness in its nascent form when treatments may be most effective... greatly increases the sensitivity of the test and its potential to tell doctors a patient carries the ADDLs. According to the researchers, BCA is about 1...

Institute for Systems Biology Symposium Addresses Need for Better Computational Tools

...e Institute for Systems Biology announced today at its 2005 international symposium on Computational Challenges in Systems Biology that ISB's Human Proteome Folding Project launched on IBM's World Community Grid in November 2004 has already predicted 50,000 protein structures. "This project showcases th...

Insight into natural cholesterol control suggests novel cholesterol-lowering therapy

...espond to a high cholesterol diet by shutting down its internal synthesis, he explained. However, the mol...up more cholesterol from the bloodstream, lowering its concentration there. However, inhibition of reductase function by statins also limits the availabil...

Biodiversity hotspots identify conservation priorities

...pecies of vascular plants found exclusively within its boundaries. Degree of threat is determined by the ...th each hotspot having lost at least 70 percent of its original natural habitat. Some of the hotspots have less than 10 percent of their original natural h...

Transgenic plants remove more selenium from polluted soil than wild plants, new tests show

...n, but we want to see if it's possible to increase its ability to absorb selenium and other pollutants ten-, one hundred-, or even one thousand- fold. This field test is the proof-of-concept showing that we are heading in the right direction." Researchers like using the Indian mustard plant because it i...

50-year-old Mystery Solved: Protein Tags Regulate Key Ion Channel

...rtant mechanism of cellular activity but until now its 60-or-so known targets were primarily nuclear proteins, mostly involved in gene transcription. "The findings expand the influence of SUMO-related activity in biology," Goldstein said, "a great and exciting surprise." There is still a good deal that ...

Researchers discover chemical compounds that affect plant growth

... Cell Biology Natasha Raikhel. The team published its findings in this week's issue of the Proceedings of the National Academy of Sciences in a paper titled, The Power of Chemical Genomics to Study the Link between Endomembrane System Components and Gravitropic Response. Her team included equal contribu...

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

...acid change in one species could completely change its ability to infect a previously "off-limits" species, Surewicz and colleagues found. In a study published last year in the journal Molecular Cell, Surewuicz and colleagues also demonstrated that a "preseeding" process between animals with different p...

McGill researchers shed light on formation of carcinogen in food

...ng, bottling or canning food products. "Furan and its derivatives sometimes form when amino acids or sugars are broken down by the heat of cooking," explains Dr. Yaylayan. "Normally, furan is a volatile chemical which tends to quickly evaporate. However, when it cannot escape for some reason, for exampl...

WHO Warns Of Increased Risk Of Vector-borne Diseases In Tsunami-affected Areas

... on 26 December, the organization is strengthening its disease surveillance, stagnant water conditions cr...engue fever or malaria cases, WHO is strengthening its support to national authorities to implement effective vector-borne disease prevention and control a...

Scientists discover how plants disarm the toxic effects of excessive sunlight

...lled photosynthesis, which also produces oxygen in its breathable form. However, photosynthesis can also generate an alternate form of singlet oxygen, which is a highly reactive and toxic substance that destroys biological molecules. "We've discovered a pathway that cells use to turn on certain genes an...

Key mechanism in genetic inheritance during cell division identified

...etically engineered E. coli bacteria, and compared its effects on microtubules in vitro to the effects caused by certain Dam1 mutants. Their analysis shed new light on the structural nature of the kinetochore-microtubule interface, and may provide a biochemical explanation for the role of kinetochores in...

Researchers identify protein crucial for survival of Lyme-disease bacterium

... Borrelia burgdorfei (Bb) to survive in the gut of its tick host and may offer a potential new target for...s the tick feeds on blood and begins to go through its molting process, the levels of the knockout Bb bacteria in the tick drop by about 90 percent, which ...

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