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Sweet in Biological News

Purple sweet potato means increased amount of anti-cancer components

A Kansas State University researcher is studying the potential health benefits of a specially bred purple sweet potato because its dominant purple color results in an increased amount of anti-cancer components. K-State's Soyoung Lim, doctoral student in human nutrition, Manhattan, is working wi...

Red pandas reveal an unexpected (artificial) sweet tooth

PHILADELPHIA (April 15, 2009) -- Researchers from the Monell Center report that the red panda is the first non-primate mammal to display a liking for the artificial sweetener aspartame. This unexpected affinity for an artificial sweetener may reflect structural variation in the red panda's sweet ...

Spun-sugar fibers spawn sweet technique for nerve repair

WEST LAFAYETTE, Ind. - Researchers at Purdue University have developed a technique using spun-sugar filaments to create a scaffold of tiny synthetic tubes that might serve as conduits to regenerate nerves severed in accidents or blood vessels damaged by disease. The sugar filaments are coated w...

Bumblebees learn the sweet smell of foraging success

Bumblebees use flower scent to guide their nest-mates to good food sources, according to scientists from Queen Mary, University of London. For any animal, finding food on its own can be time consuming and inefficient; social animals such as bees reduce these problems by informing their peers of...

Johns Hopkins researchers detect sweet cacophony while listening to cellular cross-talk

Johns Hopkins scientists were dubious in the early 1980s when they stumbled on small sugar molecules lurking in the centers of cells; not only were they not supposed to be there, but they certainly weren't supposed to be repeatedly attaching to and detaching from proteins, effectively switching th...

Undergrad has sweet success with invention of artificial Golgi

Troy, N.Y. An undergraduate student at Rensselaer Polytechnic Institute has learned very quickly that a spoonful of sugar really does help the medicine go down. In fact, with his invention, the sugar may actually be the medicine. Among the most important and complex molecules in the human body...

The sweet world of soil microbiology

Using classroom, hands-on activities can help instructors to communicate difficult scientific concepts and stimulate student thinking. Despite its importance, the diversity in soil microbes can conceptually be difficult to teach, especially in natural resource classrooms composed primarily of unde...

How sweet is it?

GAINSVILLE, FL -- We love it fresh, canned and frozen. It's grown in every state, and according to a recent study published by the American Society of Horticultural Science, adds up to a whopping $807 million per year industry in the U.S. In other words, sweet corn is big business. Fresh marke...

Candy-coating keeps proteins sweet

Sugar-frosting isnt just for livening up boring bran flakes; it can also preserve important therapeutic proteins. Researchers at the National Institute of Standards and Technology (NIST) have developed a fast, inexpensive and effective method for evaluating the sugars pharmaceutical companies use ...

A sweet step toward new cancer therapies

By recognizing sugars, a technique developed by University of Michigan analytical chemist Kristina Hakansson sets the stage for new cancer diagnosis and treatment options. A growing body of evidence points to assemblies of sugars called glycans attached to proteins on cancer cell surfaces as acco...

A sweet solution for Alzheimer's disease?

Certain variants of a simple sugar ameliorate Alzheimer's-like disease in mice, according to a new study by Canadian researchers. Although the new studies are still in the early stages, the findings could lead to new therapies that prevent or delay the onset of Alzheimer's disease. The new studie...

Attacking cancer's sweet tooth is effective strategy against tumors

An ancient avenue for producing cellular energy, the glycolytic pathway, could provide a surprisingly rich target for anti-cancer therapies. A team of Harvard Medical School (HMS) researchers knocked down one of the pathway's enzymes, LDHA, in a variety of fast-growing breast cancer cells, effec...

Healing honey: The sweet evidence revealed

Substantial evidence demonstrates that honey, one of the oldest healing remedies known to medicine, produces effective results when used as a wound dressing. A review article in the most recent issue of SAGE Publications' International Journal of Lower Extremity Wounds summarizes the data. Scient...

Scientists seek to unwrap the sweet mystery of the sugar coat on bacteria

Scientists at The University of Texas at Austin have developed a quick and simple way to investigate the sugar coating that surrounds bacteria and plays a role in infection and immunity. The sugars coating bacteria can change very quickly during the course of an infection, cloaking the bacteria f...

Sweet 'water taste' paradoxically predicts sweet taste inhibitors

A scientific paradox linking artificial sweeteners such as saccharin with a sensory experience in which plain water takes on a sweet taste has guided researchers to an increased understanding of how humans detect sweet taste. Reporting in an advance online publication in Nature, scientists from...

UW-Madison scientists zero in on drugs' sweet spots

Employing a simple new technique to manipulate the sugars that power many front-line drugs, a team of Wisconsin scientists has enhanced the antic-cancer properties of a digitalis, a drug commonly used to treat heart disease. Reporting the work in the Aug. 8 edition of the Proceedings of the Natio...

Climbing to new heights in the forest canopy

... With summer in full swing, many plants are at their peak bloom and climbing plants, like clematis, morning glories, and sweet peas, are especially remarkable. Not only are these plants beautiful, but their ability to climb walls and trellises is an impressive feat of biologic...

New hope for fisheries

...s many ecological benefits including fewer species collapses, an increase in fish size and fish abundance. "Below MMSY there is a fishing-conservation sweet spot," says co-author Steven Palumbi of Stanford University, "where economic and ecosystem benefits converge." The team also notes that in addition...

Antibody targeting of glioblastoma shows promise in preclinical tests, say Lombardi researchers

...ight one." They collaborated with ESBAtech in Switzerland who created a small single-chain antibody fragment in yeast that would itself bind to the sweet spot, blocking ALK's interaction with PTN. In the present study, the researchers successfully tested the antibody in human glioblastoma cells, and als...

Natural seed treatment could drastically cut pesticide use

... saw promising results when researchers treated the seeds of tomato plants, sweet pepper and maize. Red spider mite attack on tomato plants was down by 80 per cent, aphid attack on sweet peppers cut by 70 per cent and caterpillar damage to maize was reduced by 3...

City rats loyal to their 'hoods, scientists discover

...cks. Each community is further divided into neighborhoods that span little more than the length of an average alley. To a city rat, that alley is home sweet home. The findings suggest that while rats rarely migrate, neighborhood eradication efforts may backfire by encouraging the rodents to repopulate o...

American Chemical Society's weekly PressPac -- May 6, 2009

... Email: rhcr@unimelb.edu.au ARTICLE #3 FOR IMMEDIATE RELEASE sweet deception: New test distinguishes impure honey from the real thing Journal of Agricultural and Food Chemistry Here's some sweet news for honey lovers: Researchers in France are reporting development of a...

Apple enthusiasts welcome WineCrisp

..., is a highly productive, late-season red apple that ripens in mid-October, about two weeks after 'Delicious'. Korban describes Winecrisp as "not too sweet or too sour". He noted that the tree is extremely productive and the fruit is firm and dark red in color. "The apples are the color of a deep red wine...

Breaking the ties that bind: New hope for biomass fuels

...the United States currently lacks an energy-efficient and cost-effective method for turning inedible biomass such as switch grass or corn husks into a sweet source of biofuels. Working with researchers from the U.S. Department of Agriculture and the Centre de Recherches sur les Macromolcules Vgtales in ...

Ecological insect pest management for Guam

...al-based trapping methods and overall crop production on Guam for four important weevil pests: banana root borer, New Guinea sugarcane weevil, and two sweet potato weevils. Agriculture professionals will be instructed in trapping methods including the importance of lures and trap characteristics and dia...

Liking sweets makes sense for kids

...n's high growth rate. "The relationship between sweet preference and growth makes intuitive sense becaus...demands increase. Children are programmed to like sweet taste because it fills a biological need by pushin...shington researcher Susan Coldwell, PhD, looked at sweet preference and biological measures of growth and p...

Synthetic biology can help extend anti-malaria drug effectiveness

...ne at far lower costs than extracting the drug from Artemsisia annua , the sweet wormwood tree, making microbial-based artemisinin a much cheaper but equall...eported their first success. By transplanting genes from yeast and from the sweet wormwood tree into E. coli bacteria and then bypassing the E. coli's metabo...

Pure fructose frequently confused with high fructose corn syrup

...equal ratios of fructose and glucose. Table sugar also contains equal ratios of fructose and glucose. High fructose corn syrup and sugar are equally sweet and both contain four calories per gram. Fructose is a natural, simple sugar commonly found in fruits and honey. The absence of glucose makes pure...

Analysis of fresh strawberries reveals consumer preferences

...mer fruit can elicit mouthwatering memories of shortcake, fruity drinks and sweet desserts. Researchers interested in learning more about this evocative frui...mposition. Genotypes with low flavor ratings were most often judged as "not sweet enough" by the panelists, thus linking flavor to sweetness preference". ...

Results of the third school nutrition dietary assessment study published

...e competitive foods purchased were generally low-nutrient, energy-dense foods, including candy, desserts, salty snacks, french fries, muffins, donuts, sweet rolls, toaster pastries and caloric beverages other than milk or 100% fruit juice. In a second commentary, Nancy Montanez Johner, Undersecretary, F...

Sequencing of sorghum genome completed

...n crops cannot compete. Another variety sweet sorghum has a sweet stem and is thus similar to sugar cane. The Food a... Organization of the United Nations has introduced sweet sorghum in China because of the country's interest...

Cutting salt isn't the only way to reduce blood pressure

...sional. Good potassium sources include fruits, vegetables, dairy foods and fish. Foods that are especially rich in potassium include potatoes and sweet potatoes, fat-free milk and yogurt, tuna, lima beans, bananas, tomato sauce and orange juice. Potassium also is available in supplements. ...

Eating habits and exercise behaviors in children can deteriorate early

... Parents of older children report greater consumption of sweetened drinks instead of low-fat dairy drinks, as well as higher consumption of salty and sweet snacks. Older children also tended to eat dinner with parents less often, which can contribute to less healthy food choices. A greater percentage o...

New standard for popular stevia-based sweetener to assure product's quality

...tutes, such as sucralose and aspartame. Rebaudioside A is isolated from the leaves of the Latin American stevia plant and gives the plant leaves their sweet taste. Use of Rebaudioside A in food and beverage products in the United States is poised to increase sharply as manufacturers begin to develop and la...

Vidalia onions: Alternative to hand-transplanting proven effective

...ORO, GAGrowers in southeastern Georgia have the perfect combination of climate and soil to produce some of the world's best onions: the famous Vidalia sweet onions. Prized for their mild taste and sweetness, Vidalia onions are shipped throughout North America for use in recipes and relishes. Onion produ...

Purdue study suggests warmer temperatures could lead to a boom in corn pests

...hange Research Center. "The greatest potential range expansion was seen with the corn earworm, which is known to infest other high-value crops such as sweet corn and tomatoes. Warming could allow populations to survive the winter in the upper Midwest, the key region for corn production, as well as areas of...

Girls have superior sense of taste to boys

...hildren and young people to discover and recognise sweet and sour tastes at varying intensities, to establi...uite clear that children do not necessarily prefer sweet things. According to the findings, healthy snacks ...e better at recognising all concentrations of both sweet and sour tastes. The difference is not dramatic, b...

Study a step toward disease-resistant crops, sustainability

...e effect and decided to take advantage of a large, existing set of mapping data for the two inbreds to find out why," Weil said. Another example is sweet corn, Johal said. The varieties most people are familiar with derive from a specific mutation that originally rendered sweet-tasting kernels small and...

Zoologists: Sea snakes seek out freshwater to slake thirst

... GAINESVILLE, Fla. Sea snakes may slither in saltwater, but they sip the sweet stuff. So concludes a University of Florida zoologist in a paper appearing this month in the online edition of the November/December issue of the j...

Red-eyed treefrog embryos actively avoid asphyxiation inside their eggs

...ehaviorally positioning their external gills in a small high-oxygen area, a sweet spot near the exposed surface." The team used a video camera to record ...the ability for muscular movement, kept their developing head in the oxygen sweet spot. "Once we started with the behavior research, it sort of snowballed an...
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