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Tag: "takes" at biology news

Scripps scientists find potential for catastrophic shifts in Pacific ecosystems

...rature. That is, much like a financial market that takes much longer to recover than to crash, an ecosystem that is perturbed into an irreversible shift (e.g., by overfishing) may never be the same afterwards. Finding linear dynamics in the physics and nonlinear dynamics in the biology in part reconciles ...

Innovative collaboration brings Arctic science into the classroom

... Holmes. The majority or Holmes' current research takes place in the Arctic (field sites are in Russia, Canada, and Alaska), and addresses how climate change is impacting the cycles of water and chemicals in the environment. Dr. Holmes has also studied desert streams in the southwestern United States, str...

Molecular thermometers on skin cells detect heat and camphor

...cytes might mean that the detection of temperature takes place in the skin as well as on these neurons. In their Science paper, they demonstrate that this is indeed the case by showing that camphor activates TRPV3 on keratinocytes but not on sensory neurons. In the knockout models, this heat- and camphor-...

Gov't Creates Gene Database of Normal Human Tissues

...e within a single lab**. The normal organ database takes that one step further, enabling scientists and clinicians to compare the gene expression results for their own tissue or genes of interest to a baseline standard that represents a generic picture of normal gene activity, organ by organ, in the human ...

Whole-body MRI Takes Less Than 20 Min To Scan A Patient's Entire Body For Cancer Spread To Bone

... of the body) in a single imaging scan-and it only takes between 15 and 18 minutes, say two different European studies. For one study, researchers from the Clinica Girona in Catalonia, Spain, performed whole-body MRI on 42 patients with known malignant tumors and a suspicion of bone lesions. Upon analyzin...

Precise Timing Enabled Pig-to-rat Transplants To Cure Diabetes

...rspective, pig gestation is about 120 days, and it takes every bit of that time for the pancreas to fully develop," Hammerman explains. "There is no pancreas before embryonic day 28, and 35-day-old pancreas is still very early-stage tissue." Hammerman and Rogers have demonstrated that the pancreatic trans...

Next Generation Body Scanner Launched By The University Of Manchester

...ology involved will revolutionise the way scanning takes place and means that higher quality scans can be carried out at a much faster speed than ever before. The scanner will enable researchers to create images of structures in the body such as individual vessels in the brain, nerves and cartilage. Resea...

Some Brain Cells Change Channels

...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 ...

U. Iowa researchers improve Huntington's disease symptoms in mice

...ff completely," Davidson said. "For a disease that takes decades to develop, a partial reduction may slow down the disease-causing copy of the gene to such an extent that either disease progression is delayed or possibly even disease onset is prevented." It may even be the case that a partial reduction of...

Active Vaccine Prevents Mice From Developing Prion Disease

...ate in toxic, cell-killing clumps. As an infection takes hold, prion proteins invade brain tissue and force normal proteins to adopt their configuration. In time, the diseased animal develops dementia, loses control of its limbs, and eventually dies. There are no treatments for prion-related diseases, and...

Researchers pioneer new gene therapy technique using natural repair process

...ls will also have two each. The wounded chromosome takes advantage of the healthy copies created in preparation for division, and uses them as a template to repair the break in the DNA strands. In the new gene therapy technique, researchers took advantage of homologous recombination by introducing a man-m...

New miniaturised chip dramatically reduces time taken for DNA analysis

... foodborne illness. This type of analysis already takes place in laboratories, but until now the experimental measures needed were not suitable for in situ analysis. By using the new sensors developed by UAB scientists, the time taken to identify the source of infection for Legionella would decrease from ...

Researchers reveal secrets of flying snakes

...dy shape; it flattens from head to vent. The snake takes control of its flight by undulating through the air in a distinctive S-shape as if swimming ?moving the tail up and down and side-to-side. While gliding, these snakes make turns up to 90 degrees and always seemed to land without injury. The research...

Grass makes environmentally friendly biofuel

... "Burning grass pellets makes sense; after all, it takes 70 days to grow a crop of grass for pellets, but it takes 70 million years to make fossil fuels," says Cherney, who notes that a grass-for-fuel crop could hel...

Unique library of plant genes germinates, takes root at UNC

...ta and all the methods necessary to analyze it, it takes a lot of human and computer effort to put those two things together in one user-friendly package like Phytome." Phytome went online at www.phytome.org in the fall after two years work and already is being used by basic and applied scientists worldwi...

Discovery of New Dopamine Action May Yield Alternative Psychiatric Drugs

...to dopamine actually have two slow modes: one that takes place over a period of minutes and a second -- newly discovered -- that lasts for hours. In fact, it may be that this effect continues for as long as dopamine remains in the system." This sustained action of dopamine may be particularly important fo...

Cancer related gene p53 not regulated as indicated by previous tissue culture research

...d of chemical modification, so-called acetylation, takes place. But without acetylation, p53 functions just as well in mice, found the researchers. ...

Critical step traced in anthrax infection

.... The findings show that it is the latter?the pore takes an active role in protein translocation. The scientists demonstrated this role by investigating the channel's chemical make-up. Using a procedure known as cysteine-scanning mutagenesis, they identified the hydrophobic, or "greasy," amino acid phenyl...

Research on antibiotics receives historical recognition

...ll be the featured speaker. The award presentation takes place in conjunction with the ACS Middle Atlantic Regional Meeting. The MARM meeting is being held on the nearby Busch Campus of Rutgers in Piscataway, New Jersey, May 22-25. Selman Waksman was born in Russia in 1888. He immigrated to the United Sta...

Circulating stem cells play small role in lung repair

...tiny hollow sacs along the airways where the blood takes in oxygen and discards carbon dioxide. The processes by which alveoli recover from damage are complex and incompletely understood, Zander said. Previous research showed that type II pneumocytes in the lungs are known to play a central role, but the ...

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