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Tag: "start" at biology news

New battery technology helps stimulate nerves

...in implantable devices -- stimulators used to jump start the heart and help the central nervous system make critical connections in, for example, Parkinson's and epilepsy patients. Designed to be extraordinarily reliable and work continuously for years, the tiny batteries that power implantables are indisp...

Discovering the first steps in transcription-coupled repair

...paired, after which transcription of the gene must start over with a new RNAPII. Other possibilities are that the original RNAPII is somehow made to start up again, bypassing the lesion, or that the RNAPII is made to back up, digesting some of the messeng...

Scientist uses form to explain function of key building blocks of life

... for by the genes in DNA. We'd like to be able to start with a gene sequence and predict the structure of a protein and its function. In this case, given an NMR pattern, we can tell you how the protein will act. In general, this method may provide information about even more complex biological systems. ...

Overfishing may drive endangered seabird to rely upon lower quality food

... Fish and Wildlife Service has recently decided to start the process to remove the marbled murrelet from the Endangered Species list, denying it protection even though the bird has not recovered throughout its range. The researchers argue that such a move would be premature. "The threats that have caused ...

DNA technique measures suitability of soil for onion crops

... soil samples. Agricultural laboratory Blgg will start using the new system in November 2005. The system quickly and accurately measures soil samples at the molecular level. In a series of comparative trials, the molecular test had a higher detection rate than the traditional microscopic investigation fo...

The bioweapon is in the post

...eases ?or bioterrorist attacks. "As soon as people start dying from a bioengineered organism, there will be a huge security response and research will be clamped down," warns Endy. ...

A resetting signal keeps circadian rhythm on track in Drosophila fruit flies

...ctivity with their own clock, but they will always start counting time from the moment they were reset by the morning cells. In other words, the evening clock triggers the alarm at its own pace, but it is the morning clock which sets the alarm every day. "So if you are looking over several days, only o...

Seal rookeries could provide a reliable food source for endangered California condors, study finds

...posing is a conservation strategy to train them to start eating dead seals and sea lions, whose populations are coming back along the California coast." Captive breeding Standing nearly 5 feet tall and boasting a nine-and-a-half-foot wingspan, the California condor (Gymnogyps californianus) is the larg...

OHSU discovery sheds light into how stem cells become brain cells

.... "In later stages, these same stem cells suddenly start becoming glial cells, which perform a number of functions that include supporting the neurons. We wanted to find out what factors cause this switch in differentiation. We also wanted to determine if the process can be controlled and used as a possibl...

In SAD patients, autumn antidepressants can prevent winter depression

...s. One group of patients was randomly assigned to start treatment with bupropion-XL during the fall, while...esults suggest. "It is a highly novel approach to start treatment before the development of a major depressive disorder," says Dr. Rosenthal, author of the ...

Mapping alcohol brain damage

...of the brain," Dr Dodd said. "In that way we can start to find those messages that show altered expression in the area of the brain that shows the pathology." He said the microarray analysis could be useful for many neurological diseases. "It's got general applicability to neurological diseases, beca...

Technique offers new view of dynamic biological landscape

... With the E-MAP approach, however, the researchers start with the gene and ask about all the processes that it affects. "It gives you a less hypothesis-biased, more objective way of looking at the structure of biological systems," Weissman said. In future studies, Weissman and his colleagues plan to deve...

Plants, too, have ways to manage freeloaders

... the bacteria are doing a good job, the plant will start supporting it and the nodule will grow. But if the bacteria are not as beneficial, the plant will not support it, and the nodule doesn't grow." Some researchers have suggested that one way plants like soybeans can keep nodules small is by limiting o...

Cheap, rapid hand-held check for HIV

...octors rely on CD4+ measurements to decide when to start drug treatments and to gauge whether a patient is responding to them. To make the device, researchers from Cornell University in Ithaca and the University at Albany coated electrodes with antibodies specific to CD4+ cells. When a small sample of bl...

Researchers develop new method to help find deadly malaria parasite's Achilles heel

...hting malaria, we need to know much more before we start talking about which membrane-protein interactions to target with a new drug." ...

Carnegie Mellon U. transforms DNA microarrays with standard Internet communications tool

...g to Bar-Joseph. Large groups of living cells that start out together at the same biological point in time eventually become asynchronized in their activities, he noted. "You can compare a group of cells starting out in an experiment like a group of marathoners at the starting line. Over time, some marath...

Study finds that nutritionally enhanced rice reduces iron deficiency

...y and toward better-quality food. This may be the start of a nutritional revolution--a very appropriate follow-on from the Green Revolution and one that is desperately needed by millions of the world's poor and undernourished." ...

Feeling old?

...mont-Ferrand, France. After the age of 40, humans start loosing muscle at around 0.5?% per year. Immediately after a meal degradation of protein slows down and synthesis doubles. This process is triggered by the arrival of a plentiful supply of amino acids. In older animals this stimulus is less effective...

'Dating agency' boosts hunt for disease genes

...time be able to join together over the internet to start the search for genes that underlie a range of chronic diseases. Patients across Britain with cancer, heart and other common diseases have been providing blood samples for research since 2000. They are part of a project hosted by The University of M...

Antibacterial coatings cut infection rates

...ace. The bacteria then change their metabolism and start producing a slimy biofilm that protects them from ...the bacteria think that they are alone; they don't start producing the biofilm and eventually die on the surface. "We attach the furanones by covalent bondi...

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