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Tag: "take" at biology news

Shutting down the HIV assembly line

...fically the distinct steps HIV structural proteins take in order to come together and create a viral particle. "The assembly process is just one part of the whole HIV life cycle," Spearman noted, "but it's an important part in that each step along the way is required to make an infectious viral particle....

Turning viruses into allies against cancer

...ic engineering, viruses are being re-programmed to take advantage of their natural abilities to infiltrate...dio-virotherapy vector. "We expect this work will take another two years before this technology will be available for testing in patient studies," said Ble...

The evolutionary triumph of flower power

...source of pleasure ?a positive emotion inducer ?we take care of them. In that sense they're like dogs. They are the pets of the plant world." Psychologist Haviland-Jones had conducted three studies that tested the ability of flowers to induce positive emotion. The objective was to demonstrate the immedia...

Double triumph in stem cell quest

...e rejected by patients' immune systems unless they take immunosuppressant drugs. This is why many stem cel...l the denser nucleus is forced out. Then the team take cells from adults and fuse them with the enucleated ESCs. The idea is that the cytoplasm of an enucl...

Grizzlies set to invade high Arctic?

...erous issues. Could grizzlies move east to one day take up home on Ellesmere Island, in the heart of polar bear country? Could polar bears in the wild interbreed with brown bears, their evolutionary close cousins, as has occurred at least once in captivity? What impact will grizzlies, already known to pre...

Measuring hormone cuts antibiotic use in half in pneumonia patients

...duce the number of days pneumonia patients have to take antibiotics to cure their infection, according to ...whose hormone levels were measured did not have to take antibiotics at all, said study co-author Michael Tamm, M.D., Chief of Pulmonary Medicine and Pulmona...

Scientists discover that three overlapping signals in embryo help get the backbone right

...that as the mass of cells in the embryo started to take form, a region in the embryo - what they called the "organizer" - seemed to be the source of signals to nearby cells, telling them to form back structures. What clinched their experiment was taking the organizer from one embryo - in their experiments...

Road salt affects mitigation wetlands

...know how big a hit these two wetlands are going to take from the salt. We see an effect on the midges in the runoff receiving wetland, but so far there is no effect on the slightly salty one," says Silver. "One thing we would like to see is what happens to bullfrog tadpoles and dragonflies that overwinter...

To sea or not to sea: When it comes to salmon sex, size sometimes doesn't matter

...o recover from years of declines "if we would only take our collective foot off their neck." "A great deal of habitat from southern British Columbia to California is no longer accessible to salmon or has been altered to their detriment," he writes in the conclusion of his book published by University Pre...

Confocal imaging promises early detection of skin cancer

...ious skin cancers. “Diagnosis of skin cancers can take weeks, depending on the health system,?says Dr Jafer Sheblee, coordinator of the IST project EDISCIM. “The process involves visits to a general practitioner and a hospital specialist. With our new system, we hope to replace these visits with just one...

Secret of smallpox's success may lead to bioterror cure

...f Project Bioshield. Though the final product may take a while to be produced and, one hopes, may never have to be used, Jacobs has a feeling now of years of research coming to fruition. "This is the result of work that we have been doing for 15 years now and I think we are really very close to producin...

Cellular Defects in Premature Aging Disease are Reversible

...red to normal levels. "It's amazing that we could take a cell that looked about ready to die, and a few days later it was healthy and ready to divide again," said Misteli. Misteli noted that these results demonstrate a proof-of-principle that the cellular effects of progeria can be reversed, meaning his...

Supercomputers to focus brains on AIDS dilemma

...roscopic dance of molecular dynamics, where events take place in nanoseconds at length scales far shorter than the wavelength of light. By putting the molecules into motion in their simulations, the researchers discovered that there is a great deal of unexpected flexibility in this binding region, indicat...

Man-made wetland's effectiveness similar to natural marsh

...again, assuming there are other wetlands nearby to take its place." The story isn't quite the same with n...ed in the wetland; rather, the builders let nature take its course, Mitsch said. Stands of trees surrounded part of the wetland. "This area once was a wetl...

Tendency to hair loss inherited from the mother

...ome from their mother. In many cases men therefore take after their grandfather on their mother's side rat...olunteers. "Men under 40 with severe hair loss can take part," Dr. Kruse says. "If they have a brother who is affected and the parents are also prepared to ...

Symbiotic bacteria protect hunting wasps from fungal infestation

...fore finally closing off the cell. The larvae then take up the bacteria and apply them to the silk threads of their cocoons. The researchers found that experimental removal of the bacteria caused increased fungal infestations and increased larval mortality ?in fact, little larval survival ?suggesting that...

Too much water may be as dangerous as too little during long-distance athletic events

...petitively tend to stop at every water station and take a drink. Over the course of a long race, they can dilute themselves." In addition popular sports drinks don't always include enough sodium to offset the body's loss of the mineral during exercise. The drinks often carry more water with smaller conce...

Bush, Cheney and Rumsfeld are now species of slime-mold beetles -- but strictly in homage

...petitively tend to stop at every water station and take a drink. Over the course of a long race, they can dilute themselves." In addition popular sports drinks don't always include enough sodium to offset the body's loss of the mineral during exercise. The drinks often carry more water with smaller conce...

New design : complete

...petitively tend to stop at every water station and take a drink. Over the course of a long race, they can dilute themselves." In addition popular sports drinks don't always include enough sodium to offset the body's loss of the mineral during exercise. The drinks often carry more water with smaller conce...

Currents could disrupt ocean food chain

...n to the ocean food chain if such a disruption did take place. "Phytoplankton are the basis of the entire marine food web," Schmittner said. "They ultimately affect everything from zooplankton to the larger fish that people consume." The Atlantic Conveyer current has the strongest impact in the North At...

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