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Tag: "allowing" at biology news

A new plant-bacterial symbiotic mechanism promising for crop applications

...to recognize it, by molecular recognition, thereby allowing the microorganism to penetrate inside the plant by the root hairs. The finding raises the question as to what signalling pathway Bradyrhizodium might use to gain entry to the plant and set off nodulation. The first observation was that the bac...

U-M researchers discover gene switched off in cancer can be turned on

...he researchers were able to turn the gene back on, allowing BRM to be expressed. The researchers found this gene is turned off in about 15 percent of tumors studied, including cells from lung, esophageal, ovarian, bladder, colon and breast cancers. The researchers were able to use existing drugs, which sho...

Physicist cracks women's random but always lucky choice of X chromosome

...plug then closes off one of the XIST suicide genes allowing its host X chromosome to continue to operate. However the other XIST suicide gene is now freed to activate and shuts down its X chromosome. Since putting forward this explanation researchers in Harvard have observed actual plugs of protein shuttin...

Genetic factors are linked to fever following smallpox vaccination

...res that could be determined prior to vaccination, allowing practitioners to modulate the vaccination plan according to risk. This type of practice, the goal of personalized predictive medicine, appears closer in feasibility than ever given the pace of genetic testing.”...

Potent possibilities for parasite attack

...potential targets for drug and vaccine development allowing researchers to optimise the use of limited resources." Leishmaniasis is one of the neglected diseases that desperately need new research, as WHO/TDR notes: "Treatment of visceral leishmanisis by first-line drugs is long (4 weeks), given systemica...

Adult stem cells from human cord umbilical cord blood successfully engineered to make insulin

...very that someday may help cure type 1 diabetes by allowing people to grow their own insulin-producing cells for a damaged or defective pancreas, medical researchers here have reported that they have engineered adult stem cells derived from human umbilical cord blood to produce insulin. The researchers anno...

Treating HIV in war zones -- Public health emergencies need rapid advice from WHO

...nks with HIV care programs in neighboring regions, allowing displaced patients to continue to receive care Educating patients on the importance of not conserving their pills and trying to take them on time even during periods of instability. Culbert and colleagues' paper includes powerful testimonies...

Hearts of male and female rainbow trout are different

...hway) and pyruvate dehydrogenase (PDH), the enzyme allowing carbohydrates to be oxidized -- differ between the sexes. The researchers hypothesized that male hearts would have higher citrate levels and females would benefit more from the stimulation of PDH than males. The study also sought to determine if...

'Insulator' helps silence genes in dormant herpes virus

...his one small region of the genome from silencing, allowing infected cells to survive," says study senior author Jumin Zhou, Ph.D., an associate professor at The Wistar Institute. The findings, appearing in the May issue of the Journal of Virology, mark the first time an insulator has been identified in a ...

New knowledge improves rice quality

... better tasting food. New scientific knowledge is allowing rice researchers to develop better quality rice varieties that could fetch a higher price from consumers, especially increasingly affluent rice consumers in Asia. The main aim of the new International Network for Quality Rice is to help rice bree...

Students invent protective pouch to enhance cell therapy

...p microcapsules of therapeutic cells in one place, allowing them to thrive and send out needed insulin. The in... A gap forms between the mesh and the outer stent, allowing blood to pass through. At this point, the physician would use another catheter to inject the enc...

World's leading scientists announce creation of 'Encyclopedia of Life'

...Catherine T. MacArthur Foundation. "Technology is allowing science to grasp the immense complexity of life on this planet. Sharing what we know, we can protect Earth's biodiversity and better conserve our natural heritage." "For more than 250 years, scientists have catalogued life, and our traditiona...

Latent memory of cells comes to life

...g the lifetime of a cell due to chemical reactions allowing interconversions between the different nucleosome types. The effect of these changes can be that a latent capacity that was dormant comes to life, or, conversely, that a previously active capacity shuts down. Same inheritance ?different traits ...

Deconstructing brain wiring, one neuron at a time

...avian viral receptor and the rabies virus protein, allowing the modified rabies virus to infect targeted cells and spread only once to connecting cells," he adds. The wiring map can be constructed step by step as subsequent populations of cells are imaged. The recombinant rabies virus could contain genes f...

Out-of-body experiences may be caused by arousal system disturbances in brain

... may already have an arousal system predisposed to allowing intrusion of REM sleep elements during the transition between wakefulness and sleep. Sleep paralysis is a common form of REM intrusion, which can cause a condition of temporary paralysis along with visual or auditory hallucinations immediately aft...

A 'traffic light' for neurons means 'go' for improving brain research

...lp patients, but they don't know precisely why. By allowing researchers to selectively stimulate or dampen different neurons in the brain, the new Stanford technique could help in determining which particular neurons are benefiting from deep brain stimulation, Deisseroth says. That could lead to making the el...

Researchers identify gene involved in dog size

..., which over the years have been selectively bred, allowing us to more readily analyze the genetic causes of particular traits than is possible in humans,?said the study’s senior author Elaine A. Ostrander, Ph.D., chief of NHGRI’s Cancer Genetics Branch. “Nearly all of what we learn from studying body structu...

Major gene study uncovers secrets of leukemia

...e polymorphisms function as flags for researchers, allowing them to detect specific deletions of DNA in a gene or increases in the number of specific genes at a level of detail that was previously unattainable. The St. Jude group used this approach to analyze leukemia samples from 242 pediatric patients with ...

UCSD researchers discover variants of natural tumor suppressor

...eat diabetes; in essence, removing the 'brake' and allowing Akt2 to be more functional and allow better insulin regulation. PHLPP2, on the other hand, controls the driver on Akt1, the path involved with cell survival. Therapies directed at releasing the brake on this driver would allow cells involved in hea...

OHSU surgeon implants donated tissue allografts

... to create the Joint Restoration Foundation (JRF), allowing Portland to become one of 16 areas across the country to receive priority allocation of fresh cartilage allografts for transplantation. "Live or fresh tissue transplants are difficult to obtain and complicated to prepare and coordinate. This new ...

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