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Tag: "analyses" at biology news

Genomic Analysis Uncovers New Targets for HIV Vaccine

...en during this plateau in viral load. Before their analyses began collaborators in the EuroChavi consortium, c...timately be shown to play a major role when future analyses involving more patients are performed, the researchers said. Patients involved in the study came fr...

One species, many genomes

... been a great surprise," admits Weigel. Detailed analyses showed that genes for basic cellular functions suc...e of short and long growing seasons. Such genome analyses of unprecedented details will allow a much better understanding of local adaptation, and this was in...

Caribbean frogs started with a single, ancient voyage on a raft from South America

...to-50-million years ago, according to DNA-sequence analyses led by a research group at Penn State, which will be published in the 12 June 2007 issue of the Proceedings of the National Academy of Sciences and posted in the journal's online early edition this week. Similarly, the scientists found that the Cent...

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

...ut risks to human health and biodiversity, but few analyses exist that reveal the actual effects genetically modified plants have on other non-modified species. In an analysis of 42 field experiments, scientists found that this particular modification, which causes the plant to produce an insecticide interna...

The mouflons of the Kerguelen archipelago

...ialist in ungulate genetics, agreed to perform the analyses of the genetic material. Combining their efforts, the researchers used hair, horns and tissue to reconstitute the evolution of the genetic diversity of the mouflon population from 1958 to 2003. Through the contribution of Jean-Louis Chapuis, Deni...

Ice Age extinction claimed highly carnivorous Alaskan wolves

... of Current Biology, combined genetic and chemical analyses with more conventional paleontological study of th...ly habitual scavenging,” Leonard said. Chemical analyses of the bones back up this conclusion. Carbon and nitrogen isotope values of the Alaskan wolf bones a...

Madagascan tropical forests return thanks to better management and well-defined ownership

...esilience Centre, Sweden. The results, based on analyses of satellite images and vegetation on the ground, surprised the team of scientists from Sweden and the University of Antananarivo in Madagascar. As a result, they went further and also made a social inventory based on interviews with local forest off...

8 plants from South Africa may hold potential for treating high blood pressure

...on, esophageal cancer and hypertension, scientific analyses of the purported benefits of many plants is still scant. A team of researchers has now examined the effectiveness of 16 plants growing in the country's Kwa-Zulu Natal region and concluded that eight plant extracts may hold value for treating high blo...

Egyptians, not Greeks were true fathers of medicine

...s inextricably linked to state-of-the-art chemical analyses used by my colleague Judith Seath, who specialises in the essential oils and resins used by the ancient Egyptians." Professor Rosalie David, Director of the KNH Centre, said: "These results are very significant and show that the ancient Egyptians ...

Rapid response was crucial to containing the 1918 flu pandemic

...ller. These conclusions--the results of systematic analyses of historical data to determine the effectiveness ...eted vaccine is being produced.? The historical analyses are part of an ongoing effort called the Models of Infectious Disease Agent Study (MIDAS), which is ...

Transfusion expert urges wider use of filtered blood

...f leukoreduction, argues that several cost-benefit analyses show that an upfront increase of $25 to $35 for each unit of filtered blood is offset by savings from less use of antibiotics, reduced patient time in the ICU, and shorter lengths of hospital stays overall. One study, in fact, estimated that the savi...

MIT model helps researchers 'see' brain development

... consulted with Fischl's team to ensure that their analyses made sense clinically. “We can't open the brain and see by eye, but the cool thing we can do now is see through the MR machine,?a technology that is much safer than earlier techniques such as X-ray imaging, said Yu. The first step in analyzing ...

New details on how the immune system recognizes influenza

...ld be to most of these conserved epitopes. Further analyses may assist scientists in identifying vaccine targe...cting how effective a new vaccine will be. Other analyses revealed major gaps in scientists' knowledge about influenza viruses. Of the 600 epitopes in the dat...

Woman's Day and For Womens of Science

...summer's conference. "The declaration and detailed analyses presented in the five supporting papers clearly sh...h greater than estimated because existing economic analyses don't consider mercury's impacts on ecosystems and wildlife. The concentration of methylmercury in...

Mercury contamination of fish warrants worldwide public warning

...summer's conference. "The declaration and detailed analyses presented in the five supporting papers clearly sh...h greater than estimated because existing economic analyses don't consider mercury's impacts on ecosystems and wildlife. The concentration of methylmercury in...

Lithium builds gray matter in bipolar brains, UCLA study shows

...?and 28 healthy control subjects. Detailed spatial analyses of gray matter distribution were conducted by measuring local volumes of gray matter at thousands of locations in the brain. While the brains of lithium-treated bipolar patients did not differ from those of the control subjects in total white-matt...

Researchers find gene mutation that causes infertility in male mice

...ost studies on the genetics of fertility stem from analyses of mice that have had a custom gene "knockout," this is the first to reveal a dominant mutation that leads specifically to infertility in a mammal. The researchers believe this kind of dominant effect is closer to how real-life infertility occurs in ...

Genes and biomarkers that allow doctors to choose the right therapy for the right patient

...cell lines that represent the subtypes observed in analyses of primary tumors. By correlating the responses of these cells to targeted therapeutic drugs, the researchers were able to identify the molecular characteristics of cells that were most sensitive to the drugs. They tested their approach by analy...

Map predicting spread of avian flu

...ng of susceptible farms. For avian influenza, the analyses show that there are two poultry-dense areas in The...The risk map concept is an instrument suitable for analyses of epidemic control options both during crisis and in peacetime" says Boender. ...

Scientists map key landmarks in human genome

...man nucleosome positioning," said Fisher. Although analyses of this type had been pioneered in simpler organisms such as yeast, those approaches were not feasible when applied to the massively larger and more complex human genome. The new technique "provides major new clues to the locations of many hallmar...

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