Tag: "drastically" at biology news

Knock knock knocking on rhythm's neural doors

...mechanisms for the two types of movement are quite drastically distinct. The study monitored eleven volunteer subjects, who performed a simple flex of the wrist while undergoing fMRI monitoring. A visual signal instructed the subjects to do one of three actions: rhythm -- flexing the wrist repeatedly at a comfo...

Folic acid vitamin use by women reaches all-time high, March of Dimes survey finds

... and babies of popular low-carbohydrate diets that drastically reduce grain foods enriched with folic acid, such as bread and pasta. However, our survey finds that 49 percent of women who have been on low-carb diets in the past six months said they actually took a daily multivitamin containing folic acid. So p...

Molecule awakens and maintains neural connections

...nd in rats, they found dendrite arborization to be drastically reduced in cultured brain cells. The researchers ...leagues found that interfering with Dasm1 function drastically decreased AMPA receptor function. Their experiments also revealed that Dasm1 was responsible for "aw...

Prions act as stepping stones in evolution

...auses the cell's protein-producing machinery to go drastically awry. More often than not, this is deleterious to the cell. In about 20% of the cases tested, however, the Whitehead team discovered that these new phenotypes afford the yeast cell a survival advantage. "But we still didn't know the molecular mechan...

Bad news for pathogenic bacteria: Scientists find protein essential for bacterial survival

...sts new ideas for designing antibiotics that might drastically reduce a bacterium's ability to resist drugs. The...ne expression, but for some reason that effect was drastically decreased when we conducted experiments in the laboratory." Work by other researchers had suggest...

UNC research accelerates discovery of novel gene function

...rticular cellular state or pathway. Doing so would drastically accelerate the process of high-throughput drug design and testing, taking gene candidates from cell culture to the animal model." The technique uses a genetically engineered HIV-1 virus, in which genes can be shuttled among bacteria, cell culture or ...

Trapping carbon in soil key for protecting global food security, dealing with climate change

... African and Asian countries," he continued. "This drastically reduces soil carbon levels, and we cannot achieve global food security without returning crop residues and putting carbon back in soil. Both are necessary for improving soil quality." According to the report, soil carbon sequestration can offset glob...

Learned social preference in zebrafish

...e appearance of the fish. Fish were chosen to have drastically different color patterns, either blue and gold stripes or an absence of stripes and a uniform mother-of-pearl color. This difference was the result of a single DNA base change in the fish's genome. To determine whether genes or the environment determ...

Culture of primate non-aggression

... killed the most aggressive males of Forest Troop, drastically changing the gender composition and the behavior of the group; males were significantly less aggressive. Surprisingly, even though no adult males from this period remained in the Forest Troop in 1993 (males migrate after puberty), new males were also...

New book urges ecologists to think 'outside the helmet'

...home to mosquito larvae, dry during drought years, drastically reducing mosquito predators-- from fish to water beetles--and competitor species such as snails, tadpoles, and zooplankton. Ecology presumes that for species to live in the same environment, species have to be different. But the traditional n...

Should Roundup Ready soybeans be managed differently than conventional soybeans?

...ARCH 23, 2004 -- Roundup Ready soybean acreage has drastically increased since their introduction in 1996. Approximately 84% of Wisconsin soybeans were planted to Roundup Ready in 2003 with similar trends cross the United States. While much research had been conducted with management of conventional soybeans, li...

UT Southwestern researchers cite recent advances in underlying causes of rare body-fat disorders

...Health, reported that replacing the protein leptin drastically reduced triglyceride levels and controlled diabetes in patients with generalized lipodystrophies. In 2003 a novel gene, ZMPSTE24, linked to generalized loss of body fat and skeletal disorders, was identified. There are two categories of lipodystr...

New approach limits damage after heart attack and improves survival, say Scripps Research scientists

...ven if given as late as six hours after the event, drastically reduce tissue injury and increase long-term survival following a heart attack. A biopharmaceutical company, TargeGen Inc. in San Diego, is finalizing preclinical studies to translate these initial research findings into practical human therapies. ...

Teens and young adults the new frontier in cancer says US cancer specialist

... to 29 year-olds which, in the US, is under 1% and drastically lower than the approximately 60% rate in younger patients and the 3-5% in older patients." "Worldwide, we need a new discipline in adolescent and young adult oncology. This age group deserves trained care providers, specialised clinics and inpatient ...

New, non-radioactive screen for antimalarial compounds

...en fresh plant extracts in biodiverse regions will drastically reduce the price tag for drug discovery, result in a cadre of trained professionals and buttress local and international conservation efforts in developing countries where investment in research is still viewed as a risky proposition." Capson expl...

Making of mouse marks move toward 'mitochondrial medicine'

...ommon inherited diseases that affect patients more drastically at a younger age. When a cell's mitochondria fail, the massive power loss not only injures or kills the cell but can even lead to organ failure or death. For technical reasons, the tiny bit of genetic code carried inside the mitochondria just 37 ge...

Declining sharks

...isheries is rapidly changing oceanic ecosystems by drastically reducing populations of many marine species. For most oceanic species we lack a historical perspective. In an important article to shortly appear in Ecology Letters , Baum and Myers demonstrate that the initial abundance of large apex predator popu...

MIT helps unlock life-extending secrets of calorie restriction

CAMBRIDGE, Mass.--Shedding light on why drastically restricting calorie intake prolongs life span in some organisms, MIT researchers report in the Jan. 1 issue of Genes & Development that lowering the level of a common coenzyme activates an anti-aging gene in yeast. Calorie restriction extends life sp...

New research technique provides unique glimpse into Alzheimer's disease

... of drug called a gamma-secretase inhibitor, which drastically decreases production of ABeta and currently is being investigated as a potential therapy for humans with the disease. Ten more interstitial fluid samples were collected over the following ten hours to measure how quickly the ABeta that had accumulate...

Researchers measure effects of flow regulation and diking on salmon habitat loss

... JGR-Oceans. Columbia River hydrology has changed drastically in response to human activities and climate at the same time that salmon populations have greatly decreased. To better understand the impacts of hydrologic alteration on salmon populations in the tidal-fluvial environment (the area between the estuar...

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