Tag: "boosts" at biology news

Roadsides Benefit From Waste, UF Researchers Say

... the compost as top dressing and looking at how it boosts the growth of the grass already there. In UF's state-of-the art Turfgrass Envirotron, where grasses from all over the world are monitored in three computer-controlled greenhouses, they are comparing the growth of roadside turf samples using both comm...

Federal Food Aid Makes Healthier Children

...DA for zinc in their diets, as well as significant boosts of eight out of 13 other nutrients studied. These benefits were realized without increases in fat, saturated fat or cholesterol. Preschoolers whose families receive food stamps from the U.S. Department of Agriculture (USDA) also benefit significan...

Research: Breast Cancer Gene Screening Not Warranted For All

...man will develop breastcancer even though the gene boosts her chances. King, Newman and others then at the University of California at Berkeleymapped the BRCA1 gene in 1990. University of Utah and National Institute ofEnvironmental Health Sciences researchers cloned the gene about four yearslater....

Research Sheds Light On How Plants Regulate Distribution Of Nutrients

...lsof the vascular tissue by the transporter, which boosts sucrose concentration50 to 100 times higher than it is in all surrounding cells. As water movesin, Bush said, positive hydrostatic pressure builds, forcing the sucrosethrough the continuously linked phloem cells and to the non-photosyntheticsink tis...

Duke Researchers Finds That Moderate Caffeine Use Boosts Blood Pressure, Potential For Heart Disease

... While researchers have long known that caffeine boosts blood pressure,nearly all the studies have been conducted in a laboratory setting under tightlycontrolled circumstances where a single dose of caffeine is compared to none ina short time span. Lane said his study is among the first to analyze bloodpr...

Structure Of Fat-Depleting Protein Reveals Important Functional Clues

...tment for clinical obesity. Understanding how ZAG boosts fat breakdown is a necessary precursor to anyplans to develop ZAG-based obesity drugs. Knowing that structure often revealsdetails about function, Bjorkman's group created a molecular map of ZAG'sstructure using x-ray crystallography, which provides ...

Study: calcium channels regulate cell movement

...ong the sides open to admitmore calcium ions. This boosts the cell's motility so that the back end ispulled away from whatever it's been stuck on, and it can move forward again." A report on the findings appears in the July 22 issue of the journalNature. UNC-CH authors are Drs. Gerry Oxford, profess...

Exercise improves learning and memory

...Institute (HHMI) have found that voluntary running boosts the growth of new nerve cells and improves learning and memory in adult mice. "Until recently it was thought that the growth of new neurons, or neurogenesis, did not occur in the adult mammalian brain," said Terrence Sejnowski, an HHMI investigator a...

UNC-CH scientist finds smallest number of genes needed for organism's survival

...ting illness, Hutchison said. More immediately, it boosts scientists' basic understanding of the question, "What is life?" "Cells that grow and divide after this procedure can have such disruptive insertions only in non-essential genes," he said. "Surprisingly, the minimal set of genes we found included a...

New findings on genetically modified plants and foods

New treatments, nutritional boosts and allergy issues SAN FRANCISCO -- More than 25 scientific papers featured at the 219th national meeting of the American Chemical Society, the world's largest scientific society, will focus on the agricultural and food chemistry behind genetic...

University of Florida scientist maps brain reactions to food

...besity, an abnormally high proportion of body fat, boosts the risk of heart disease and death and contributes to at least half of the chronic diseases in Western society, according to the National Institutes for Health. Liu conducted the experiment while at the University of Texas Health Science Center at...

Cincinnati researchers document environmental problems caused by tourist trade in Crete

... increasing use ofagricultural irrigation. Tourism boosts the waterdemand by about 1000 percent daily. While some say there are no water shortages, Wray says that villagers sometimes tell another story, complaining they only have water available a few days a week at certain times of the day. "It's hard to k...

Brief exposure to nicotine makes lasting mark on the brain

...fies the pleasing effects of the drug -- and boosts the desire to repeat the exposure. By uncovering the precise cellular mechanisms of nicotine's effect, this study suggests new and more precise targets for drugs designed to block this powerful craving. "This appears to ...

Study: osteoporosis doubles risk of fractures in nursing homes

... -- Doctors have known for years that osteoporosis boosts the risk of bone fractures, especially among elderly women who live at home. Now, the first large study to examine fracture rates of women living in nursing homes found that low bone mineral density -- especially among residents who are more active -...

Report on dietary supplements containing ephedra makes urgent call for research to develop dose guidelines, safety warnings

...s. They are stimulants, used for short-term energy boosts to enhance athletic performance and endurance, to help people exercise longer, feel more alert, and to dampen appetite, Haller explained. Studies indicate that weight loss with the aid of such products is only temporary, she added. In addition, as pe...

Genetic therapies for aging will face many challenges

...in men that codes for the androgen receptor, which boosts the effect of the masculine hormone testosterone. There are variants of that gene (those with rather few repeats of a triplet of nucleotides, CAG) which code for more receptivity to hormones, leading to bigger, stronger and more aggressive males tha...

Scientists: nutritional deficiency can boost influenza virus damage

...at inadequate intake of selenium, a trace mineral, boosts damage caused by influenza viruses. Working with others at the USDA's Agricultural Research Service in Beltsville, Md., and the Nestle Research Center in Switzerland, the UNC virologists fed groups of mice either selenium-deficient or normal diets. ...

Scary study: Selenium deficiency causes flu virus to mutate into more dangerous forms

...ted discovering that inadequate intake of selenium boosts damage caused by influenza viruses. "We believe our latest findings are both important and potentially disturbing because they suggest nutritional deficiencies can promote epidemics in a way not appreciated before," Beck said. "Here we looked a...

Unleashing GMO's into the environment

...er species if it took up an oilseed rape gene that boosts seed production, he says. The results could be used to help decide which GM plants are safe enough for field trials, Bullock says. "If you then put a plant into the wild, you could be fairly sure what the problems are likely to be." The rese...

Designer diets: ACS symposium will explore relationships between diet and genes, August 28-29

...her has shown that providing vitamin A supplements boosts the number of mitochondria, which helps improve glucose metabolism. The finding could lead to better insight into the treatment of diabetes. (The paper on this research, AGFD 134, will be presented at 1:35 p.m., Wednesday, August 29, in McCormick ...

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