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Tag: "could" at biology news

Crammed with charged DNA, pressure rises inside virus

It could be an artist’s depiction of someone’s stomach befo... combination of positively charged ions, the virus could not force all of its DNA into the capsid.” The researchers discovered that the forces in the caps...

Snoring in children might be an allergic type disease

...riginal study group had rhinitis and of these, 213 could provide information on snoring. Almost 60% of the...lained the observed associations with risk factors could apply to the general population where previous studies have also found strong associations between a...

The insect vector always bites twice

...f the degree of exposure of humans to bites, which could in the long term allow improved assessment of the ...tors of the risk of malaria in endemic areas, that could be used to improve strategies of prevention and care of young patients in the context of seasonal tr...

A new plant-bacterial symbiotic mechanism promising for crop applications

...olecule similar to a plant hormone (4), cytokinin, could act in the mechanisms by triggering nodulation. The discovery of the nature of the signal molecule itself, which remains to be fully determined, brings a glimpse of future agricultural applications. Many plants live in symbiosis with bacteria, bu...

Research team identifies new Alzheimer's gene

...ase. If the findings are confirmed, this discovery could provide a target for future Alzheimer’s therapeutic drugs. “We hope that this study, along with the genome-wide genetics studies to come, will contribute to the clarification of Alzheimer’s risk factors and disease mechanisms, the discovery of pro...

Bigger horns equal better genes

...cess," Coltman said. "We wanted to see if the same could be said for alpine ibex, and we found that it can." The researchers were particularly intrigued about the ibex's horns because they are costly for an ibex to produce and maintain. "[The horns] require a lot of energy to build and then carry ar...

How to lose weight and not go hungry: HU researcher develops drug that mimics feeling of 'fullness'

...ccess into the blood stream. Once in the blood, it could make its way to the MC4R receptor and “close the c...hat a person seriously wishing to overcome obesity could take this compound orally in order to curb his appetite, thus leading to natural weight loss. In exp...

Dirty snow may warm Arctic as much as greenhouse gases

...ern United States. Zender believes policymakers could use these research results to develop regulations to mitigate global warming. Limiting industrial soot emissions and switching to cleaner-burning fuels would leave snow brighter, he says. New snow falls each year, and if it contained fewer impurities...

Largest synthetic gene ever built offers insights into anti-malarial drug resistance

...m), has become resistant to most of the drugs that could once destroy it. They have already described and e...t is found in no other life form − into one that could be "read" by yeast. The yeast are then able to produce the PfMDR1 protein, in its proper sequence, f...

Loss of stem cells correlates with premature aging in animal study

...t ATR had an overwhelming amount of DNA damage and could not contribute to tissue renewal; nevertheless, the 10 to 20 percent of cells that escaped ATR deletion were able to reconstitute tissues in the engineered mice, at least initially. “Think of aging as a slow loss of stem cells, a deterioration o...

Caribbean frogs started with a single, ancient voyage on a raft from South America

...ocean currents, can be more than a mile across and could include plants that trap fresh water and insect food for frogs," Hedges said. It is not likely that the frog species dispersed simply by swimming because frogs dry easily and are not very tolerant of salt water. In addition to the study's discove...

New bacterium discovered -- related to cause of trench fever

...t pet cats were often infected with a microbe that could be transmitted to their owners through a scratch. These earlier investigations taught the researchers several important lessons: new diseases and new bacteria infecting humans are still being discovered, and it is important to carefully investig...

Studies to find better ways to preserve human eggs, ovarian tissue under way

... a matter of seconds, meaning the current approach could have extremely limited use. A study he publishe..., for example, hormones needed to induce ovulation could be problematic because many breast cancer cells have estrogen receptors. As pieces of a puzzle co...

Millions of children denied drug that costs less than $3 a year

..., most of these people, many of whom are children, could return to a normal life by taking a single daily dose of a drug (phenobarbital) that costs less than $3 (£1.5; €2.2) each year. The World Health Organisation recommends phenobarbital as the treatment of choice in resource restricted countries, but...

In mice, drug protects against diabetes and atherosclerosis

...researchers turned to humans. While the scientists could not knock out the aP2 gene in humans, they could focus on subjects in the large Nurses' Health Study and the Health Professionals Follow-Up study who...

Longer treatment benefits sleep apnea patients

...researchers found that although daytime sleepiness could be improved after 4 hours to 6 hours a night, depending on the measurement used, functional status or quality-of-life improvements were maximized after 7.5 hours of use each night. Although individual patient response to CPAP therapy can vary, these ...

Newly found sensing system enables certain bacteria to resist human immune defenses

...develop a better understanding of this system they could develop new drugs that are more effective at protecting people from infection. Likewise, now Dr. Otto and his research group are hoping for similar possibilities for gram-positive bacteria with their discovery of “aps,” which stands for antimicrob...

Salty oceans provide early warning for climate change

Monitoring the saltiness of the ocean water could provide an early indicator of climate change. Sign...ficant increases or decreases in salt in key areas could forewarn of climate change in 10 to 20 years time. Presenting their findings at a recent European Sc...

Alzheimer's disease to quadruple worldwide by 2050

...g Alzheimer’s disease or delay its progression, we could have a huge global public health impact.” Accor... Brookmeyer and his co-authors, interventions that could delay the onset of Alzheimer’s disease by as little as one year would reduce prevalence of the disea...

Researchers shed light on shrinking of chromosomes

...ms extend over the plane of division, because that could expose the DNA to serious mechanical damage.” T...nderlying the late shortening of chromosomes. This could further advance our understanding of cell division and the risk factors that lead to defects in chro...

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