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Tag: "takes" at biology news

Surprising findings reported about iron overload

...oad as a diagnosis. Nationwide studies indicate it takes an average of nine years and three physicians to obtain a correct diagnosis, partly because physicians incorrectly believe that such disorders are rare, or that they affect only older men. A previous UAB study found that primary care physicians provi...

PET/MRI scans may help unravel mechanisms of prenatal drug damage

...signal that is picked up by the PET scanner, which takes snapshots of the tracer's location over time to show how much and how quickly the cocaine (and/or the metabolic byproducts that retain the carbon-11) enters and clears the various organs. The radiotracer decays and completely clears from the animal's...

Camera Traps Catch Eye of the Tiger

...e cameras have been placed in remote locations, it takes at least a day to hike to each (the team can check all 30 within a month). Cameras must be moved occasionally because the flash often alerts animals to their presence, causing those animals to avoid the area in the future. Due to the moist, hot clim...

Advances in the characterisation of the oyster mushroom genes

...olymer chains. The breaking down by live organisms takes place through the action of three types of enzymes: endogluconases, cellobiohydrolases y b-glucosidases. All these, necessary for the complete breaking down of cellulose, function by hydrolysing the glycoside links, but they vary in the specificity ...

No relief for Pacific Northwest drought

... James Lenihan, a fire and ecosystem modeler. "It takes ignition sources such as lightning storms to trigger multiple fires, and that doesn't always happen," Lenihan said. "But those events are fairly common and, because of that, fires will often occur if vegetation, moisture and climatic conditions are r...

Key mechanism in genetic inheritance during cell division identified

...ughes Medical Institute (HHMI). "If ring formation takes place in vivo, it could be the mechanism by which chromosomes are kept segregated during mitosis." Nogales is one of the co-authors of a paper reporting the results of this research which appears in the January 21, 2005 issue of the journal Molecu...

Gene therapy promising for growing tooth-supporting bone

...ent with a sizeable mouth wound, replacing a tooth takes more than simply implanting a new one---the patient also needs the bone structure to anchor the new tooth in place. Such reconstructive surgery today involves either taking a bone graft from the patient's chin or jaw, which leaves a second wound need...

Microbial forensics: The next great forensic challenge

...perpetrator can be long gone by the time a disease takes effect, and the original crime scene could be difficult to locate and link to suspects," Murch said. Additionally, the biological and ecological complexity of most biothreat agents present forensic microbiologists with a number of significant analyt...

Newly discovered pathway might help in design of cancer drugs

...ts genetic code together so it dies. Our discovery takes that a step further, establishing that there is a way to efficiently create this type of damage by modifying the DNA itself." In the lab, Greenberg and his team used organic chemistry to create a synthetic, double-stranded DNA with special chemical ...

Birds brains reveal source of songs

...r processes in humans, such as how a baby's babble takes on the conversational cadences and recognizable syllables of mama and papa. Likewise, the brain pathways involved in birdsong have a human counterpart, the poorly understood basal ganglia circuit, so birds may have something to teach us about our own...

Buying Time Through Hibernation on Demand

...brain-damaging seizures during the crucial time it takes to diagnose the bacterial or viral cause and administer the proper antibiotic. "Here's a patient group, quite commonly found in emergency rooms around the country, who would do well if they could just have their core body temperature taken down in o...

U-M team recovers ancient whale in Egyptian desert

...brain-damaging seizures during the crucial time it takes to diagnose the bacterial or viral cause and administer the proper antibiotic. "Here's a patient group, quite commonly found in emergency rooms around the country, who would do well if they could just have their core body temperature taken down in o...

Infants With Rare Genetic Disease Saved by Cord Blood Stem Cells

... within a week, whereas a matching adult donor can takes months to locate and obtain if available at all, said Kurtzberg. Similar benefits of cord blood were seen in an earlier Duke study of children with Hurler Syndrome, results of which were published in the May 6, 2004, issue of the New England Journal...

Defenseless plants arm themselves with metals

...evels. When grown in nickel-enriched soil, Thlaspi takes up 3 percent of its body weight in the metal. Salt and his colleagues have shown that this metal content is what makes the plants resistant to pathogens. Salt proposes a scenario in which at some point in evolutionary history some plants acquired a ...

Some Brain Cells 'Change Channels' To Fine-tune The Message

...calcium is kept out. To learn more about how this takes place, the Hopkins researchers studied brain cells from genetically engineered mice. Through their experiments, the researchers determined that the PICK1 and NSF proteins are both required for the calcium-forbidding channel to move into place at the ...

Duke engineers develop new 3-D cardiac imaging probe

...reates a picture of the whole heart in the time it takes for current ultrasound technology to image a single heart cross section. The new probe has considerable potential not only for evaluating the condition of the heart, but also for use in guiding therapeutic treatment devices, the researchers said. Th...

Turning viruses into allies against cancer

...asles virus, modified with a protein that normally takes up iodine in the thyroid gland, is being studied to treat human liver cancer cells grafted in an animal model. Scientists at the Mayo Clinic in Rochester, Minn., reported that the engineered virus seeks out and destroys liver cancer cells, leaving s...

After a time-shift, mixed signals from the circadian clock

... experience, that adjusting to new light schedules takes several days, though the details of how this adaptation takes place are not well understood. Researchers now report findings that suggest this adaptation process ...

The circadian clock: Understanding nature's timepiece

... every hour of time change a person experiences it takes about a day to fully adjust. Workers on rotating shifts are constantly struggling to adapt and they experience well-documented health problems as a result. For example, one study found that nurses who work nights or rotating shifts are at greater ris...

Infants with Rare Genetic Disease Saved By Cord Blood Stem Cells

... within a week, whereas a matching adult donor can takes months to locate and obtain if available at all, said Kurtzberg. Similar benefits of cord blood were seen in an earlier Duke study of children with Hurler Syndrome, results of which were published in the May 6, 2004, issue of the New England Journal...

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