Tag: "becomes" at biology news

American Chemical Society's Weekly PressPac -- Aug. 8, 2007

...e vision loss that occurs when the lens of the eye becomes clouded. Christine Jrme and colleagues report d...owever, the back portion of the capsule eventually becomes clouded with a secondary cataract. Jrme notes that treatment is available for secondary cataracts, b...

Protein 'chatter' linked to cancer activation

...at to the stability of our genome. When the genome becomes unstable, it puts our bodies at greater risk of cancer. Zhu adds that patients with ataxia telangiectasia, ataxia telangiectasia-like disorder, and Nijmegen breakage syndrome experience an accelerated rate of loss of DNA from chromosome ends. We d...

Newly created cancer stem cells could aid breast cancer research

... normal cell type that preexists in the breast and becomes the object of mutation and selection, Weinberg says....

High blood pressure, low energy -- a recipe for heart failure

...od pressure conditions, the heart fails because it becomes energy starved. And if you could feed the heart by using a drug that enhances ERR, for example you might enable the heart to better keep pace with its energy requirements." Although preventions and treatments are now available for heart failure du...

X-ray images help explain limits to insect body size

... insects get bigger, this type of oxygen transport becomes far less effective. But if the atmospheric oxygen levels increase, as they did in the late Paleozoic, then longer tracheal tubes can work. This would allow larger-sized insectseven giantsto evolve. Recent research published in the journal Proceedin...

New, more direct pathways from outside the cell-to-cell nuclei discovered

...he cell membrane. This extracellular material then becomes trapped inside the resulting membrane-bound intracellular compartment, which is known as an endosome or phagosome. It was also already known that material can migrate out of an endosome or phagosome and eventually enter the cell nucleus. But the Br...

Abnormal fat metabolism underlies heart problems in diabetic patients

...dentified a particular lipid-digesting enzyme that becomes more active in diabetic heart muscle and contributes to the breakdown of cardiolipin. Recently, Gross and his colleague David Mancuso, Ph.D., member of the division, found that mice engineered to produce too much of this enzyme in their hearts devel...

Circadian clock controls plant growth hormone

...n, the researchers said. In other words, the plant becomes more responsive to auxin at a certain time of day. Postdoctoral researcher Michael Covington and Stacey Harmer, professor in the Section of Plant Biology at UC Davis, used microarray chips to look at thousands of genes from the laboratory plant Ara...

OHSU turns mouse into factory for human liver cells

...is C and malaria. "This has the potential, if it becomes easy to use and widely available, to change the way drugs are tested," said study leader Markus Grompe, M.D., professor of molecular and medical genetics, and pediatrics, OHSU School of Medicine. "In terms of fostering research, this will be great ...

Conventional plowing is 'skinning our agricultural fields'

...ge scale, Montgomery said. He noted that as oil becomes more expensive and less available, it will be even more important to preserve soil fertility through methods such as no-till farming, which requires less fertilizer and many fewer passes with a tractor. No-till farming can build soil fertility eve...

Innovative tagging technique may help researchers better protect fish stocks

...al tag is then passed to the females offspring and becomes a chemical signature within the ear bones (otoliths) of the next generation of fish. Researchers can then track the dispersal of the tagged larvae across reefs and large stretches of open ocean. This chemical tagging approach has been successfully ...

Genetic factors strongly shape how peers are chosen

...nvironment, our genetically influenced temperament becomes more and more important in influencing the kinds of friends we like to hang out with, said Kenneth S. Kendler, M.D., a professor of psychiatry and human genetics in VCUs School of Medicine and lead author on the study. The study shows how genetic and...

Handicapping tuberculosis may be the way to a better vaccine

...the body to recognize TB when infected. If a cell becomes aware that a pathogen has invaded, it can prevent the infection from spreading to other cells by committing cell suicidea process known as apoptosis, where the cell shuts down and is shredded into little pieces. Immune system cells further chop up t...

Synchrotron could help save the Tassie devil

...could be detected in their hair before the disease becomes apparent. If we find a consistent change, it could lead to the development of a test which will allow detection of the cancer before the tumours become evident, he says. This would make any quarantine strategy easier to establish, as well as much m...

Native fruits bear sweet antioxidants

...ributing to the growing need to ensure agriculture becomes more sustainable. Co-author Dr Michael Netzel a post-doctoral researcher at Food Science Australia supported by Germanys Alexander von Humboldt Foundation says the native fruits were shown to be rich sources of antioxidants, with stronger radical...

Learning to evolve: With a little help from my ancestors

...st, learning accelerates the rate at which a skill becomes innate over generations, so it accelerates the evolution of innate skill acquisition. For comparison, evolution is slow if a network simply inherits its innate ability from its parents, but is not allowed to learn in order to improve this innate abil...

Surprising new species of light-harvesting bacterium discovered in Yellowstone

...aboration is a great example of how science really becomes exciting when scientists from different disciplines interact."...

Scientists find stem cell switch

...e is a problem in tropical agriculture, where soil becomes compact as it dries out. We believe this is a first step towards understanding how plants respond to soil compaction. Armed with this understanding we can start to devise ways to tackle it, said research leader Professor Liam Dolan, of the John In...

Monell researchers find metabolic defect in liver that can lead to obesity

...iet, the strain that is obesity-prone overeats and becomes obese, while the obesity-resistant strain does not. The researchers found that even when eating a low-fat diet and still lean, the obesity-prone rats were less able to burn fat than were the obesity-resistant rats. This intrinsic deficit in fat ox...

American Chemical Society's Weekly PressPac -- July 18, 2007

...ighting Sandpaper: Ancient invention increasingly becomes high-tech marvel Journalists Resources: H...2007 Sandpaper: Ancient invention increasingly becomes high-tech marvel Chemical & Engineering News Sandpaper, a seemingly simple tool for smoothing o...

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