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Tag: "built" at biology news

Stem cell training program to make its Stanford debut

...been found in natural sources, but the enzyme also built some new compounds that had never been seen before. The key to Orf2’s flexibility seems to reside in the active site, the region of the enzyme where the small aromatic molecules bind. In many enzymes, the structure of the active site only allows one...

Beyond genes: Lipid helps cell wall protein fold into proper shape

... wall will misfold and malfunction if that wall is built of the 'wrong' material, scientists at The University of Texas Medical School at Houston report in a finding that has long-term implications for understanding diseases caused by misfolded proteins such as cystic fibrosis, Alzheimer's disease, and mad...

US Army plans to bulk-buy anthrax

...ns Convention if other countries followed suit and built large biological production facilities at secretive military bases known for weapons testing?" A spokesperson for Dugway said the anthrax contract is still at the pre-solicitation stage, and the base has not yet acquired the agent. They refused to s...

Digging in the dirt for life's biochemical foundations

It seems a mighty feat for a microscopic fungus built from threadlike filaments. But collectively, these spindly mushroom relatives help move several billion tons of nutrients out of the soil and into plants each year. Now, new Michigan State University-supported research on the movement of nitrogen bri...

New technique may speed DNA analysis

...able the mass production of nano-devices currently built one at a time. The most immediate candidate for this innovation is the DNA microarray, a nano-device used to diagnose and understand genetic illnesses such as Alzheimer's, viral illnesses such as AIDS, and certain types of cancer. The ability to ma...

New technique helps identify multiple DNA regulatory sites

...able the mass production of nano-devices currently built one at a time. The most immediate candidate for this innovation is the DNA microarray, a nano-device used to diagnose and understand genetic illnesses such as Alzheimer's, viral illnesses such as AIDS, and certain types of cancer. The ability to ma...

Virginia Tech, Nanjing Institute researchers discover half-billion year-old fossils

...iversity, argued that many Ediacara organisms were built of tube-like elements and are only distantly related to living animals. "But direct observation of the hypothesized tube-like elements has been difficult because such tubes tend to be deflated and squashed prior to their preservation in sandstones," ...

World-first technology enables study of ancient bacteria

...s, and sapphire windows, the Centre's experts have built an isolation system, as well as a special cutting chamber to enable scientists to take precise sediment samples and grow bacteria from them at pressures as high as 1,000 atmospheres. A special ram for the system was produced by the Technical Universi...

Computer modeling reveals hidden conversations within cells

... who programmed the model. "It requires intuition built up over time, but it also requires someone like Alex, who can critically evaluate the scientific literature to decide what parameters need to be included in the model, and someone like Shannon who can take the predictions of the model and design expe...

New discovery blurs distinction between human cells and those of bacteria

...partments, which resemble viruses because they are built from thousands of protein subunits assembled into a shell-like architecture, are an important component of bacteria. I expect there will be a much greater focus on them now." Yeates' Science paper reveals the first structures of the proteins that ma...

Nighttime Dying Linked To Sleep Apnea From Brain Cell Loss

...partments, which resemble viruses because they are built from thousands of protein subunits assembled into a shell-like architecture, are an important component of bacteria. I expect there will be a much greater focus on them now." Yeates' Science paper reveals the first structures of the proteins that ma...

Field tested: Grasslands won't help buffer climate change as carbon dioxide levels rise

...partments, which resemble viruses because they are built from thousands of protein subunits assembled into a shell-like architecture, are an important component of bacteria. I expect there will be a much greater focus on them now." Yeates' Science paper reveals the first structures of the proteins that ma...

Firefly protein lets researchers monitor molecule linked to cancer

...elop a line of mice with the IKB/luciferase fusion built into its genetic code. In addition, they showed that the system is not only helpful for learning if a drug is having the desired effect, it can also be used to fine-tune drug dosage for maximum benefit. "One of the reviewers of our paper suggested ...

New study to explore cellular circuitry

...s of the study, each individual gene, and proteins built according to directions stored in that gene, will represent one basic unit of the wiring diagram. The diagram will also be based on the emerging theory that these basic units are modular, or replaceable. Should a single gene/protein module fail, oth...

Researchers use brain scans to predict behavior

... of the brain's struggle to cope with an ambiguity built into the test: the volunteers knew the hint was only accurate 80 percent of the time. "Whether the hint is accurate or not was determined by the computer's random number generator, and the volunteers were not going to be able to beat that," says co...

UF study first to quantify validity of DNA I.D. tool using marine snails

... damages an airplane engine, he said. "Engines are built to withstand strikes by birds up to a certain size, but not a large crane or goose," he said. "Thus, it's helpful to know which brand of shredded tweet went through the combine." And because the technology also can identify eggs or other different l...

Biotechnology's newest chemical tool

... retrieve the molecule of interest. If biotin were built into an AdoMet analog, Klimasauskas said, it could then be used as a molecular hook to fish out all molecules that would naturally be methylated in the cell. "There is no comparable way for global analysis of the methylation targets in the cell," Kli...

Tropical dry forests receive international recognition

...l beauty. Hotel resorts and golf courses are being built on the once-pristine land. TROPI-DRY's goal is to try to help translate research into tools countries can use as policies to save the dry forests. The solution lies in private conservation, says Sanchez-Azofeifa. This tactic means convincing gover...

Chernobyl: The true scale of the accident

...ges. * Structural elements of the sarcophagus built to contain the damaged reactor have degraded, posing a risk of collapse and the release of radioactive dust; * A comprehensive plan to dispose of tons of high-level radioactive waste at and around the Chernobyl NPP site, in accordance with curre...

Student scientists create living bacterial photographs

...used a unique light projector largely designed and built by Chevalier, a physics undergraduate. The device projects the pattern of light--like an image of one of the Texas students' co-advisers, Dr. Andy "Escherichia" Ellington--onto the dish of bacteria growing at body temperature in an incubator. After...

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