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Tag: "details" at biology news

War on terror meets war on cancer

...in sediments or other materials were used to learn details about prehistoric environments, such as changing temperatures over time. In recent years, Ehleringer pioneered the use of stable isotopes to study what has been dubbed "the ecology of terrorism." He has helped the Central Intelligence Agency, Federa...

New study expands understanding of the role of RNA editing in gene control

... Institute and elsewhere have been teasing out the details of a process called RNA editing, in which messenge...Molecular Biology, a Wistar-led team of scientists details the convergence of these two post-transcriptional genetic systems. The findings show that precursor ...

Science's Breakthrough of the Year: Watching evolution in action

... researchers in 2005 would still be uncovering new details about the nuts and bolts of his theory -- how does evolution actually work in the world of influenza genes and chimpanzee genes and stickleback fish armor? Studies that follow evolution in action claim top honors as the Breakthrough of the Year, name...

Phenotype is influenced by nature, nurture and noise

... in phenotype. "We think an analysis of such fine details of gene regulation explains not only the observed ...tic level, it is important to zoon in on the noisy details of gene expression to explain the variability that we couldn't otherwise account for." ...

Some good news for the world's poor

...oping world, research just published has confirmed details of a proven strategy to reduce poverty in the planet's two most populous countries, China and India. The research shows that, in 1999, for every US$1 million invested at the Philippines-based International Rice Research Institute (IRRI), more than 8...

Johns Hopkins flu expert calls for mandatory vaccination of health care workers

...or federal law requires workers to provide medical details when they call in sick so it is difficult to precisely link seasonal hospital absenteeism and high rates of non-vaccination, she notes. "We need to close the very serious gap between knowledge and behavior that exists among health care workers," Per...

Researchers discover new form of cancer gene regulation

... the Nov. 1 online issue of Developmental Biology, details the discovery of an important and completely novel form of regulation of the GLI1 gene. "Results of the study open a new research direction for issues ranging from cancer formation to environmental interactions in development and will point the way...

Anyway you slice it, tomatoes cut through drought with new gene

...thus grow better," Hirschi said of the paper which details "a strategy to engineer drought-resistant crop plants." For example, regular or control tomatoes used in the experiment suffered irreversible damage after five days without water, as opposed to the transgenic tomatoes, which began to show signs ...

New study pinpoints epicenters of Earth's imminent extinctions

...o published today are a site map and a report that details the actions required to save these sites and species. These items, along with a searchable database of sites, web links and media contacts for the Alliance's 52 member organizations, and photos of AZE sites and species for media use, can be found at:...

Pretreating rogue cancer cells with aspirin cripples their resistance to targeted therapy

...o published today are a site map and a report that details the actions required to save these sites and species. These items, along with a searchable database of sites, web links and media contacts for the Alliance's 52 member organizations, and photos of AZE sites and species for media use, can be found at:...

Nano springs eternal; Protozoan 'engine' posts nano records

...he contraction, to freeze-frame it, and to discern details of the calcium fuel system. Earlier research had identified a cellular protein, spasmin, as the possible calcium-responsive component of the stalk. "The Vorticella spasmins are now known to belong to the centrin family of calcium-binding proteins,"...

Are U.S. Flu Death Figures More PR Than Science?

...he contraction, to freeze-frame it, and to discern details of the calcium fuel system. Earlier research had identified a cellular protein, spasmin, as the possible calcium-responsive component of the stalk. "The Vorticella spasmins are now known to belong to the centrin family of calcium-binding proteins,"...

Similar Stem Cells In Insect And Human Gut

...he contraction, to freeze-frame it, and to discern details of the calcium fuel system. Earlier research had identified a cellular protein, spasmin, as the possible calcium-responsive component of the stalk. "The Vorticella spasmins are now known to belong to the centrin family of calcium-binding proteins,"...

Researchers uncover mechanisms of estrogen in promoting cell death in breast cancer

A laboratory study has uncovered new details about how estrogen can activate natural pathways that kill certain breast cancer cells or tumors. The results raise the possibility that estrogen therapy may overcome resistance to certain breast cancer hormonal therapies. The study appears in the De...

New book on rain forests, slash-and-burn agriculture

...and-Burn Agriculture: The Search for Alternatives" details the causes and consequences of the annual destruction of 80,000 square miles of rain forest. The forests are cleared by rural farmers to feed their families and by other interests seeking to convert forests to agriculture. The loss of the forests thr...

Marsupial genome reveals insights into mammalian evolution

...in the open access journal PLoS Biology. The paper details the evolution of an important cluster of immune genes known as the MHC using available genome sequences of the gray, short-tailed opossum (Monodelphis domestica), a marsupial found in South America. "Mapping the opossum MHC has allowed us to deduc...

Birth defects: 8 million annually worldwide

...he database prepared for the March of Dimes report details the prevalence rates and the numbers of affected births in 193 countries. The data collected include information on single-gene disorders, chromosomal disorders, and physical malformations. The data do not allow for precise comparisons of birth de...

Sequencing our seas

...ture of how that world works and provide important details on the players involved and their biological properties and activities." DeLong and his coworkers report their findings in the Jan. 27 issue of the journal Science. The interdisciplinary research team sequenced a total of 64 million base pairs, or ...

Wyoming cloud seeding experiment begins this month

...ture of how that world works and provide important details on the players involved and their biological properties and activities." DeLong and his coworkers report their findings in the Jan. 27 issue of the journal Science. The interdisciplinary research team sequenced a total of 64 million base pairs, or ...

Vaccine provides 100 percent protection against avian flu virus in animal study

...ture of how that world works and provide important details on the players involved and their biological properties and activities." DeLong and his coworkers report their findings in the Jan. 27 issue of the journal Science. The interdisciplinary research team sequenced a total of 64 million base pairs, or ...

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