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Tag: "gain" at biology news

Researchers track how spores break out of dormant state

...iotechnology Division. “But it’s also important to gain fundamental insights into the key events in bacterial cell development.” The researchers, including Marco Plomp, lead author at LLNL, and those from Children’s Hospital Oakland Research Institute and Northwestern University, used AFM to identify d...

A new plant-bacterial symbiotic mechanism promising for crop applications

...hat signalling pathway Bradyrhizodium might use to gain entry to the plant and set off nodulation. The first observation was that the bacteria did not penetrate the roots of its host-plant by the hairs. It took advantage of “crack zones” comparable with wound areas. The set of results obtained from su...

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

... that it was able to cross the intestinal wall and gain access into the blood stream. Once in the blood, it could make its way to the MC4R receptor and “close the circuit” to send out the “full” signal. The result is that a person seriously wishing to overcome obesity could take this compound orally i...

Longer treatment benefits sleep apnea patients

...dentify the nightly duration of CPAP use needed to gain maximum benefit for daytime alertness and functioning. Researchers at seven sleep centers in the United States and Canada studied 149 adults with sleep apnea to determine how long they routinely used CPAP each night. In addition, patients were eval...

Runners -- Let thirst be your guide

...umented fatalities. Some people have been known to gain up to 6-7 pounds during a marathon due to retention of water that the kidneys cannot excrete, he says. “No one should be gaining any weight during these events,” according to Verbalis, “and if they do, it can only be due to fluid retention.” The h...

CU study reveals why starling females cheat

...the same population mate with extra-pair males and gain both direct (like additional helpers) and indirect benefits (like better genes for the offspring), but that they do so in different contexts," said Dustin Rubenstein, a former Cornell graduate student in neurobiology and behavior and now a research a...

Surprising origin of cell's internal highways

...then assemble into long, hollow tubes. In order to gain a foothold, nascent microtubule "seeds" must be anchored at a structure near the cell's nucleus called the centrosome or microtubule-organizing center (MTOC). From the MTOC, the growing microtubules launch out in all directions to the cell's peri...

Revealed -- Mosquito genes that could be controlling the spread of killer viruses

... they interact with specific pathogens, we hope to gain a more complete understanding of the mechanisms by which a pathogen either survives inside the insect body, or is killed by the insect’s defences.” The international research team, led by Imperial PhD student Robert Waterhouse, focused on comparin...

Detecting cold, feeling pain: Study reveals why menthol feels fresh

... how thresholds for temperature are determined, we gain insight into how these thresholds change in the setting of injury, such as inflammatory and nerve injury, and how these changes may contribute to chronic pain," says senior author David Julius, PhD, chairman and professor of physiology at UCSF. T...

Human stem cell treatment restores motor function in paralyzed rats

..., adding that the goal is to provide a significant gain in functional mobility of the patient’s legs. This study builds on Marsala’s previous work in rat models using human neuronal stem cells, published in October 2004 in the European Journal of Neurosciences. In that study, significantly improved m...

Hawaiian treasure, macadamia nuts good for the heart

...ere used for each participant so that they did not gain or lose weight during the study. Both diets were matched for total fat, containing 33 percent calories from total fat. The Heart Healthy diet with macadamia nuts had 7 percent saturated fat, 18 percent monounsaturated fat and 5 percent polyunsaturate...

Global survey of lizards reveals greater abundance of animals on islands than on mainland ecosystems

...islands are particularly sensitive to the loss and gain of species. Species introductions have had dramatic consequences for islands. Introduced mongooses have devastated island populations of lizards and introduced snakes have caused the loss of birds and lizards on islands. “Cases of species introd...

Corals -- More complex than you?

...s and how it functions in a simple animal, we will gain new insights which will help in the battle against human disease, he adds. The richness of the coral genome ?unexpectedly loaded with genes, many of which were thought to have evolved much later?is also casting new light on evolution. It appear...

How to steer a moving cell

...ly define the protein components of the compass to gain a better understanding of what directs cell migration or, in the case of cancer cells and inflammation, cause cells to migrate where they normally wouldn’t. "The ability to spatially organize specific groups of signaling proteins to the front or ...

DNA repair proteins monitored at double-strand break

...splaced or moved so that the repair proteins could gain access to the damaged DNA site. The findings also suggested that before ATM can move to the double-strand break, it must first become activated so it can trigger a critical series of signals linked to DNA repair. Inactive ATM exists as a pair of ...

Thymus transplants gives hope to babies with fatal immune disease

...infants, surgeons must remove all or part of it to gain access to the heart. The removed thymus tissue is grown in culture for several weeks in a laboratory while researchers ensure that there are no diseases present in the tissue. Strips of tissue are then implanted in the baby's thigh, where they attrac...

Researchers develop way to calculate speed of bacterial sex

...erial gene transfer, UC-Davis researchers hoped to gain insight into the rates of bacterial adaptation in the environment. They report their findings in the May 2007 issue of Vadose Zone Journal in a special section on soil biophysics. Researchers believe that one of the major mechanisms for the transf...

Chemical maps hint at drug's effects on schizophrenia

...ly tuned map of an individual's overall health and gain information about how an individual is responding ...er antipsychotics, but several still induce weight gain and diabetes. Schizophrenic patients were found to have lower levels of the lipids used to make m...

Researchers find link between food odors and lifespan in fruit flies

... ?the questions get more complicated as scientists gain more knowledge. Researchers hoping to learn why ... ?the questions get more complicated as scientists gain more knowledge. ...

New success in engineering plant oils

...hallenge," remarked Shanklin. "Our group sought to gain a better understanding of the enzymes and metabolic pathways that produce these oils to find ways to manipulate the accumulation of fats using genetic techniques." The researchers focused on an enzyme known as KASII that normally elongates fatty a...

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