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Double in Biological News

The structure of the Mre11 protein bound to DNA

... Repairing breaks in the two strands of the DNA double helix is critical for avoiding cancer. In humans ... the kind of break that might result when a double strand of DNA is severed by radiation or chemical ... complex, the U-shaped dimer binds to two DNA double helices. The branching complex binds to the ...

Enzyme detectives uncover new reactions, products

... the factors that affect where carbon-carbon double bonds are placed in fatty acids, the building ... hydrogen from the carbon chain. "Placing double bonds in different positions allows you to change ... petroleum. To try to change the position of a double bond, the Brookhaven team modified a desaturase ...

Results from trials of DHA in Alzheimer's disease and age-related cognitive decline

... of Neurology at Oregon Health and Sciences University, conducted a double blind, randomized, placebo-controlled clinical trial comparing DHA and ... memory complaints who took algal DHA capsules for six months had almost double the reduction in errors on a test that measures learning and memory ...

Pacific Northwest forests could store more carbon, help address greenhouse issues

... forests of Oregon and Northern California could theoretically almost double their carbon storage. Although it isn't realistic to expect an absence ... sequestration, the carbon in live and dead biomass could theoretically double in the Coast Range, west and east Cascade Range and Sierra Nevada; and ...

Genetically engineered mice yield clues to 'knocking out' cancer

... NTH1 protein) or both these genes. These latter are known as neil1/nth1 double knockouts. NIST's Dizdaroglu and guest researchers Pawel Jaruga and Gldal ... of mice also developed pulmonary and hepatocellular (liver cell) tumors. double knockout mice had a higher incidence of tumors than the single knockouts. ...

Trans fats hinder multiple steps in blood flow regulation pathways

... bubbling hydrogen through hot vegetable oil, changing the arrangement of double bonds in the essential fatty acids in the oil and "saturating" the "unsaturated" carbon chain with hydrogen. Because double bonds are rigid, altering them can straighten or twist fat molecules into ...

Genetic switch potential key to new class of antibiotics

... of DNA or RNA chains. When the riboswitch twists into the well-known double helix structure, the RNA composing part of its structure aligns the bases ... the riboswitch causes the chain to fold back and bind to itself to form a double helix that ends in a loop like a lollipop. The current study revealed some ...

Sports technology for para-athletes: Closing the gap

... running prostheses. The first article, entitled "Biomechanics of double transtibial amputee sprinting using dedicated sprinting prostheses" by ... the sprinting mechanics data of able-bodied sprinters with that of a double transtibial amputee by examining the overall kinetics and the kinetics at ...

Researchers 'unzip' molecules to measure interactions keeping DNA packed in cells

... information are nucleic acids often illustrated as long, thin strands of double helices. DNA fits inside cell nuclei by being wound like thread around ... is at the heart of this research team's efforts. By unzipping each DNA double helix through a nucleosome using an optical trap -- a technique developed ...

6,000km trip to reveal clues to ancient migration

... first ever expedition to sail in two traditional Polynesian boats - ethnic double canoes - which attempts to re-trace the genuine migration route of the ... (author and organiser of the project). At the end of the voyage the two double canoes will be presented to the inhabitants of the small Polynesian ...

Biologists discover gene behind 'plant sex mystery'

... to produce the endosperm, a nutrient-rich tissue, inside the seed. double fertilisation is essential for fertility and seed production in flowering ... sperm cell instead of the pair of sperm that are required for successful double fertilization. "Interestingly, the process employed by plants to ...

Singapore opens Fusionopolis, its second major R&D hub in 5 years

... collaboration among the researchers. In addition, the lifestyle areas also double up as test bedding sites to accelerate the adoption of new technologies. ... The amount was an unprecedented increase of 26% from the 2006 GERD, and double the amount of $3 billion (Singapore dollars) recorded in 2000. GERD as a ...

EuroDYNA takes lid off the genome

... tackled within EuroDYNA concerned the detailed structure of how the DNA double helix is folded in the nucleus of higher organisms. Although the double helix structure was discovered by Crick and Watson in 1953, the way it ...

Popcorn-ball design doubles efficiency of dye-sensitized solar cells

... at the University of Washington are able to manipulate light and more than double the efficiency of converting solar energy to electricity. The findings ... today at the conference show an efficiency of 6.2 percent, more than double the previous performance. "The most significant finding is the amount ...

Electronic structure of DNA revealed for 1st time by Hebrew University and collaborating researchers

... to understand how the electrons distribute into the various parts of the double helix, a result that has been pursued by scientists for many years, but ... obtained. These results also suggest an identification of the parts of the double helix that contribute to the charge flow along the molecule. ...

IEEE-USA commends president for asking Congress to double support for critical research

... Russ Lefevre commends President George W. Bush for asking Congress to double federal support for critical basic research in the physical sciences in ... is essential to keeping our scientific edge. So I ask Congress to double federal support for critical basic research in the physical sciences and ...

Liquid crystal phases of tiny DNA molecules point up new scenario for first life on Earth

... tendencies, he said. We found that even tiny fragments of double helix DNA can spontaneously self-assemble into columns that contain many ... base sequences enable the chains to pair up and form the widely recognized double helix structure. Genetic information is encoded in sequences of thousands ...

Titanium Group Signs Letter of Intent to Acquire Multimilion Dollar Medical Software Company and Its Existing Sales Network

... Company Anticipates Acquisition Could More Than double its Current Revenue Stream and Fuel Market Entry Into the Medical and ... of Titanium Group Limited. "In addition, China Medical Systems could also double our current revenue stream which would add to our shareholder value." The ...

MU study finds that sitting may increase risk of disease

... a childs ballgame can be done just as enjoyably upright, and you burn double the number of calories while youre doing it, said Marc Hamilton, an ... work of muscles necessary to hold the bodys weight upright, standing can double the metabolic rate. Hamilton believes that scientists and the public have ...

Titanium Group Signs Letter of Intent to Acquire Multimilion Dollar Medical Software Company and Its Existing Sales Network

... Company Anticipates Acquisition Could More Than double its Current Revenue Stream and Fuel Market Entry Into the Medical and ... of Titanium Group Limited. "In addition, China Medical Systems could also double our current revenue stream which would add to our shareholder value." The ...

Elevated nitric oxide in blood is key to high altitude function for Tibetans

... Clinic report that Tibetans have 10 times more NO and have more than double the forearm blood flow of low-altitude dwellers. The findings from a ... Clinic. The combined increase in NO and blood flow levels resulted in double the amount of oxygen delivered to the capillary beds in the Tibetans arms. ...

Transgenics transformed

... US, in order to limit oil imports and reduce greenhouse gasses, hopes to double its use of ethanol in fuels by 2012 and to double that twice over by 2022. Because of increased demand, corn prices rose ...

'Green' energy from algae

... Europe. But there, the reactor contents would have to be cooled. Other advantages of the closed system are drastic savings of water and fertilizers. double use of algae for the production of food or fine chemicals and subsequent energy production from the residualbiomass may also be conceivable. ...

Moving to the US increases cancer risk for Hispanics

... with those who live in their countries of origin. Colorectal cancer risk among Cubans and Mexicans who moved to the United States was more than double that in Cuba and Mexico. The same was said for lung cancer among Mexican and Puerto Rican Floridian women compared to those in Mexico or Puerto Rico. ...

Reducing risk of hospitalization in the elderly

... 2000 the direct health care cost of treating it were estimated to be more than $18.5 billion. With the number of Americans older than 65 estimated to double by the middle of the century those costs are expected to increase dramatically. Preventing older Americans from being hospitalized is more than ...

Baylor researchers unravel mystery of DNA conformation

... ) of Nobel laureates Drs. Francis Crick and James Watson show the pair discussing with a rigid model of the famous double helix. The interaction represented produced the famous explanation of the structure of DNA, but the model pictured is a stiff snapshot of ...

22nd Congress of the European College of Neuropsychopharmacology, Sept. 12-16, 2009, Turkey

... risk for age-related mental illness and neurological disorders, especially dementia and Parkinsons disease. By 2040, Alzheimers disease will double in Western and triple in Eastern Europe (Jan-Llopis & Gabilondo, 2008). Furthermore, with increasing economic troubles, work-related psychosocial ...

New theory gives more precise estimates of large-scale biodiversity

... rise with the number of species proportional to the power of the area. "You can sample an area and count the number of species, and then double the area and find more species, but not twice as many, because the species overlap," Harte said. He and colleague Jessica Green showed in 2003 ...

Forest fire prevention efforts will lessen carbon sequestration, add to greenhouse warming

... Another recent OSU studied concluded that if forests of Oregon and northern California were managed exclusively for carbon sequestration, they could double the amount of sequestration in many areas and triple it in some. The new study found that, in a Coast Range stand, if you removed solid woody ...

Genetic factors implicated in survival gap for breast, ovarian or prostate cancer

... both sociological and biological has never been more urgent," says Dr. Hershman. "With the incidence of cancer among minorities predicted to double in the next two decades while comparable incidence among whites is only expected to rise 31 percent this is a crucially important public health ...

Army study improves ability to predict drinking water needs

... water needs are so variable. Inactive individuals lose between one and three liters of body water a day. More activity and warmer climates can double or even triple ordinary losses. Sweat rates also vary depending on body size, exercise intensity, clothing, air temperature, humidity, wind, and even ...

Clinical trial shows quadriplegics can operate powered wheelchair with tongue drive system

... move the mouse cursor through an on-screen maze as quickly and accurately as possible. Then the researchers added two more commands -- single and double mouse clicks -- to provide the subject with complete mouse functionality. When a randomly selected symbol representing one of the six commands ...

Complications early in pregnancy or in previous pregnancies adversely affect existing or subsequent pregnancies

... (a twin pregnancy in which one twin miscarries very early in the pregnancy) was at increased risk of premature or very premature delivery, had double the risk of low birth weight, three times the risk of very low birth weight, and more than three times the risk of perinatal death. Extreme early ...

Dino-not-so-soaring

... suggesting dinosaurs have been oversized. Widely cited estimates for the mass of Apatosaurus louisae , one of the largest of the dinosaurs, may be double that of its actual mass (38 tonnes vs. 18 tonnes). "Paleontologists have for 25 years used a published statistical model to estimate body weight ...

Athletes, spectators faced unprecedented air pollution at 2008 Olympic Games

... some of the first comparisons of these type ever made, scientists determined that particulate matter air pollution in the Beijing Olympics were about double the levels of recent games in Athens, Greece; triple those of Atlanta, Ga.; and 3.5 times higher than the games in Sydney, Australia. However, the ...

Gear bans 'can help save reefs'

... to coral-dependent fish and to the key species of fish that are needed to help reefs recover from bleaching or storm damage. "This is creating a double jeopardy for both the corals and certain types of reef fish. They are already on the edge because of the overfishing and the additional impact caused ...

Help for climate-stressed corals

... to coral-dependent fish and to the key species of fish that are needed to help reefs recover from bleaching or storm damage. "This is creating a double jeopardy for both the corals and certain types of reef fish. They are already on the edge because of overfishing and the additional impact caused by ...

Peripheral nerve repair with fat precursor cells led to wider nerves and less muscle atrophy

... transplanted human-derived APCs survived for up to 12 weeks in the injured peripheral nerve and formed a more robust nerve with nerve cells more than double the size of those formed using the conduit alone. "The versatility of adult precursor cells, such as those from adipose, for the treatment of a ...

Stress puts double whammy on reproductive system, fertility

... GnRH. The common thread appears to be the glucocorticoid stress hormones, which not only suppress GnRH but boost the suppressor GnIH - a double whammy for the reproductive system. "We know stress affects the top-tier reproductive hormone, GnRH, but we show, in fact, that stress also ...

Caribbean coral reefs flattened

... new study by the University of East Anglia (UEA). The collapse of reef structure has serious implications for biodiversity and coastal defences a double whammy for fragile coastal communities in the region. It was already known that coral cover in the Caribbean was in decline, but this is the ...
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(Date:7/14/2014)... The ability to reliably and safely make in the laboratory ... is one key step closer to reality. , Writing today ... by University of Wisconsin-Madison stem cell researcher Igor Slukvin reports ... stem cells and turning them into both red and the ... The research is important because it identifies how nature itself ...
(Date:7/13/2014)... A new study in women suggests that experiencing one ... single high-fat meal can slow the body,s metabolism, potentially ... about the previous day,s stressors before giving them a ... fat. The scientists then measured their metabolic rate ... and fat and took measures of blood sugar, ...
(Date:7/13/2014)... French . , ... led by the Research Institute of the McGill University ... oral medication is showing significant progress in restoring vision ... this inherited retinal disease that causes visual impairment ranging ... The study is published today in the scientific journal ...
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(Date:7/14/2014)... Dry eyes, contrary to popular opinion, are not ... have pointed out, today’s technology has practically enabled younger and ... result of using laptops and smartphones to go about ... this phenomenon, it has become imperative for people of today ... from having dry eyes, but prevent it from ever happening ...
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(Date:7/14/2014)... new analysis has found that rates of testicular cancer ... Hispanic American men, but not among their non-Hispanic counterparts. ... journal of the American Cancer Society, the findings indicate ... of testicular cancer in Hispanic adolescents and young adults, ... cause of this trend. , Testicular cancer is one ...
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