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Tag: "sweet" at biology news

Researchers demonstrate way to control tree height

... However, usable methods are already available for sweet gum, elm, black locust and pines. The current successful modification with poplar could be just “the tip of the iceberg,” the researchers said in their report. Dwarf trees and crop plants created with traditional cross-breeding or horticultural te...

A cherry on top: Tart cherries may alter heart/diabetes factors

...jams as well as juice. They are different from the sweet Bing cherries that are often eaten raw, and have h...er concentrations of antioxidant anthocyanins than sweet cherries. By the end of the study, the rats that received the 1-percent cherry diet had total ch...

Bats get the munchies too!

Many of us will be familiar with cravings for sweet food, after having overindulged in alcohol the night before. It appears that Egyptian fruit bats also crave particular types of sugar to reduce the effects of ethanol toxicity. Francisco Sanchez from the Ben-Gurion University of the Negev (Israel) wi...

Detecting poisons in nectar is an odour-ous task for honeybees

...spring flowers have bright advertisements offering sweet rewards to honeybees, some common flowers have not-so-sweet or even toxic nectars. Why plants would try to poison the honeybees they wish to attract is a scientific mystery. The honeybee, which accounts for the pollination of at least 1/3 of the wo...

Like salty food? Chances are you had low blood sodium when you were born

...en invited to eat freely from a table of salty and sweet snacks. The researchers used trained experts to collect the above data. The investigators used ANOVA, correlational analysis (Spearman), and SPSS to analyze the data. Alpha was fixed at 0.05 and SEM was the measure of variability. The Study...

Immunization rates hit record high in poor countries

... the forest. Or, more accurately, tiny droplets of sweet whey—a cheap waste product of cheese production, i...to reproduce in large numbers on its own. "The sweet whey only costs 32 cents a pound," says Costa, who gets his donated from a New York-based cheese com...

Fungal factories may save hemlock forests

... the forest. Or, more accurately, tiny droplets of sweet whey—a cheap waste product of cheese production, i...to reproduce in large numbers on its own. "The sweet whey only costs 32 cents a pound," says Costa, who gets his donated from a New York-based cheese com...

Unique tomatoes tops in disease-fighting antioxidants

...ene-rich tomatoes. "Right now, only carrots and sweet potatoes are a more readily available, richer source of beta carotene," Schwartz said. "And this carotenoid is a major source of vitamin A for a large proportion of the world's population. Its deficiency is a serious health problem in many developing...

U of M researchers invent 'flashy' new process to turn soy oil, glucose into hydrogen

Anyone who's overheated vegetable oil or sweet syrup knows that neither oil nor sugar evaporates--oil smokes and turns brown, sugar turns black, and both leave a nasty film of carbon on the cookware. Now, a University of Minnesota team has invented a "reactive flash volatilization process" that h...

Psst! Coffee drinkers: Fruit flies have something to tell you about caffeine

...urned off by the taste of others. By color-coding sweet and bitter substances eaten by fruit flies and exa..." Montell explains, "when given the choice between sweet and bitter substances, flies avoid caffeine and other bitter-tasting chemicals. But flies missing th...

Biotech cotton provides same yield with fewer pesticides

...ajor cotton pests. To control the other two pests, sweet potato whitefly (Bemisia tabaci) and the western tarnished plant bug (Lygus hesperus), growers use broad-spectrum insecticides and other types of insecticides known as insect growth regulators. Carrière and his colleagues studied how Arizona farmer...

Rhesus monkeys in Nepal may provide new alternative for HIV/AIDS research

...s caused by monkeys that raid staple crops such as sweet potatoes and corn. Crop raiding is prevalent in many areas in Nepal and in the last five to 10 years there are many instances of local people seeking to solve this problem by chasing or killing macaques. "One of the goals of our international progra...

Biofuels researcher searches for new sources

... and warm season grasses like winter triticale and sweet sorghum, can be adopted. "The biomass production increases by as much as 50 percent using this system compared to a single-cropping system," Chen explained. "Even perennial grasses like switchgrass might be grown on marginal lands or lands retired ...

Scientists solve sour taste proteins

...ts of cells that specifically detect each taste -- sweet cells respond to sweet substances, bitter cells to bitter substances, and so on. Taste receptors, proteins on the surface o...

Pennsylvania researchers find liver transplants provide metabolic cure for rare genetic disease

...e in the body. The disease gets its names from the sweet smell of the urine. The accumulation of amino acids in the blood can cause metabolic crisis at any age, which can lead to brain swelling, stroke and even sudden death. Over a patient's lifetime, chronic instability of blood amino acids can result in...

Nobelist discovers antidepressant protein in mouse brain

...d serotonin signaling, decreased responsiveness to sweet reward, and were less mobile, behaviors which are considered depression-like. Also, the 5-HT1B receptors of p11 knockout mice were less responsive to serotonin and antidepressant drugs compared to those of control mice, which further implicates p11 i...

How taste response is hard-wired into the brain

Instantly reacting to the sweet lure of chocolate or the bitter taste of strychnin...h neuronal response when they exposed the flies to sweet or bitter chemicals They found that a whole range of sweet substances selectively switched-on the G...

Sweet 'water taste' paradoxically predicts sweet taste inhibitors

...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 the Monell Chemical ...

Living taste cells produced outside the body

...t the cultured cells responded to either bitter or sweet taste stimuli with increases of intracellular calcium, another property characteristic of mature taste cells. Lead author Hakan Ozdener, MD, PhD, observes, "Although scientists have tried for many years to maintain taste cells in a long-term cultur...

Plants give pests sock in the gut

...on in caterpillar growth. Transgenic black Mexican sweet corn cells that express Mir1-CP inhibit caterpillar growth by 70 percent, Luthe says. Mir1-CP is harmful to caterpillars mainly because of its damaging effect on their peritrophic matrix. This is a membrane that lines the gut of most insects and aid...

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