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Is this the beginning of the end of plant breeding?

No human is a clone of their parents but the same cannot be said for other living things. While your DNA is a combination of half your mother and half your father, other species do things differently. The advantage of clonal reproduction is that it produces an individual exactly like an existing o...

DNA barcoding of mosquito species deployed in bid to end elephantiasis

New biotechnologies that allow scientists to quickly and accurately distinguish species based on a simple DNA analysis are being creatively deployed for the first time in the war against a major global disease. The University of Ghana, supported by the Philadelphia-based JRS Biodiversity Founda...

Evidence of the 'Lost World' -- did dinosaurs survive the end Cretaceous extinctions?

The Lost World, Sir Arthur Conan Doyle's account of an isolated community of dinosaurs that survived the catastrophic extinction event 65 million years ago, has no less appeal now than it did when it was written a century ago. Various Hollywood versions have tried to recreate the lost world of din...

An end to fear

A team of Dutch researchers under the leadership of Vici-winner Merel Kindt has successfully reduced the fear response. They weakened fear memories in human volunteers by administering the beta-blocker propranolol. Interestingly, the fear response does not return over the course of time. Top journ...

A re-review of peer review: Leading journal looks to end the 'review nightmare'

Every scientific researcher has asked themselves the question at some stage in their professional career: Why has the paper I submitted to be peer reviewed disappeared into the ether? Scientists, like most people, desire immediate results. In the case of peer review, researchers want to learn ...

New gene variant identified for nondiabetic end stage renal disease in African-Americans

Scientists at Johns Hopkins schools of Public Health and Medicine have, for the first time, identified variants in the gene MYH9 that are associated with increased risk for non-diabetic end stage renal disease (ESRD,) which is the near-loss of kidney function leading to either dialysis of transpla...

GBIF sets goal of mobilizing 1 billion records by end of 2008

To increase depth and breadth of coverage, applicability and usefulness of the biodiversity data it mediates, the Global Biodiversity Information Facility (GBIF) has set a goal of making one billion (1,000,000,000) high quality data records available via its data portal by December 2008. GBIF cal...

DNA end caps may lead to cancer treatments, UT Southwestern researchers report

The two ends of human DNA have different structures that are treated differently as a cell divides, UT Southwestern Medical Center researchers have found in a study that could help lead to cancer therapies. The study ?published in the Feb. 3 issue of the journal Molecular Cell ?focuses on the en...

Measuring Enzymes At End Of Cancer Pathway Predicts Outcome Of Tarceva, Taxol

Researchers at The University of Texas M. D. Anderson Cancer Center have developed a way to test whether the new targeted therapy Tarceva and the widely used chemotherapy drug Taxol are effectively killing tumor cells. They say that with further refinement, the test may make it possible to accurate...

EMBO pioneers pension plan for internationally mobile postdoctoral researchers

...from: Attractive group conditions Flexible payment and repayment terms Worldwide validity of acquired benefits Possible continuation after the end of the fellowship Client friendliness: English speaking consultants ...

Carnegie donates landmark clones to biology

...minique Loqu lead author of a study published in the July 6, Journal of Biological Chemistry . In the previous work, the scientists looked at the end of the protein Arabidopsis ammonium transporter (AMT1;1). This protein portion is called the C-terminus and it regulates the interactions of the por...

AGU journal highlights -- Aug. 6, 2009

...ic abstract for any of these papers by clicking on the link provided at the end of each Highlight. You can also read the abstract by going to http://www.a...ital object identifier), e.g. 10.1029/2009GL038227. The doi is found at the end of each Highlight below. Journalists and public information officers (PI...

Climate-caused biodiversity booms and busts in ancient plants and mammals

...nly a background role in supporting the evolution of mammals during the Paleocene and Eocene (65 million to 35 million years ago) and that only at the end of the Eocene, when Antarctic glaciations began, did Earth's climate deteriorate enough to cause observable changes in land mammal diversity. "Our ...

Obama administration announces more than $327 million in Recovery Act funding for science research

...he development of Smart Grid technology. SLAC National Accelerator Laboratory; Stanford, CA$21.8 million, including $20 million for an experimental end station at the Linac Coherent Light Source to study high energy density plasmas; and $1.8 million for improvements at the Stanford Synchrotron Radiati...

Scary ancient spiders revealed in 3-D models, thanks to new imaging technique

...g mouths. The computer models also revealed that Cryptomartus hindi 's mouth appendages, called pedipalps, had tiny 'tarsal' claws attached at the end to help the creature to manipulate its prey. These claws are seen in rare modern-day arachnids such as the Ricinulei. The researchers say that the exi...

Pitt researchers find promising candidate protein for cancer prevention vaccines

...e more confident about the safety of a vaccine strategy to immunize high-risk groups against it." She is working with collaborators to open, by the end of the year, a clinical trial of a cyclin B1 treatment vaccine in lung cancer patients, and she plans to assess it in the future as a prevention strat...

Holding breath for several minutes elevates marker for brain damage

...at runs through the wrist. They took samples before the breath hold, at the end of the breath hold and at fixed intervals for the two hours following the end of the breath hold. The researchers also measured arterial blood gases. The...

Fossil plants bring Wilf distinguished speaker honor

...eaf venation characters. Wilf will lecture on three topics at any level from introductory to technical. His topics are "Ancient Biodiversity at the end of the World: Paleogene Floras of Patagonia Rediscovered," "Insect-Damaged Fossil Leaves Show How food Webs Respond to Ancient Climate Change and Exti...

New hope for fisheries

...hey also come with short-term costs to fishers. "Some places have chosen to end overfishing," says Trevor Branch, a co-author from the University of Washin...on objectives." The authors caution that much work remains to be done to end global overfishing, as a large fraction of global fisheries are not properl...

Reducing risk of hospitalization in the elderly

...chair repeatedly, the strength of their grip and their leg strength. By the end of the study more than 55 percent of the participants had experienced one or more hospitalizations. Those most likely to end up in the hospital were the adults who scored lowest on the measures of phy...

Humans 'damaging the oceans'

...ars ago, when temperatures rose about 6 degrees over 1000 years. If emissions continue it is not unreasonable to expect warming of 5.5 degrees by the end of this century." Scientists expect ocean oxygen levels to decline by about six per cent for every one degree increase in temperature and areas in ...

Maternal, paternal genes' tug-of-war may last well into childhood

...ch some maternally derived genes are suppressed and paternal genes dominate, are born heavy with particularly large tongues. These individuals usually end up being tall, owing to their rapid growth both in the womb and as young children. They have a high frequency of childhood cancers. "Clinical data ...

High-tech vehicle design boosts emergency rescue capacity

...y suitable for the type of off-road vehicle needed for rapid access to disaster zones. "Our four-stretcher carrier is adjustable at the front and rear end to cope with the state of shock of the patient," adds Strobel. "For easy maintenance all our loaded components are made of stainless steel. And all pr...

Music is the engine of new U-M lab-on-a-chip device

...t amplify particular musical notes. These cavities are connected on one end to channels in the microfluidic device, and on the other end to a speaker, which is connected to a computer. The computer generates the ...

Warming climate threatens California fruit and nut production

... as 60 percent by the middle of this century and by up to 80 percent by the end of the century. Their findings indicate that by the year 2000, winter ch...h have high demand for winter chill. The researchers project that by the end of the 21st century, the Central Valley might no longer be suitable for gro...

When children have breathing problems

...nt to which their bronchial tubes were constricted and therefore limited in function. When all these measurements were concluded in La Plata at the end of 2006, thousands of pieces of data had to be compiled and correlated. It is possible to draw some notable conclusions from the columns of numbers an...

Frost & Sullivan: North American Government Biometrics Markets Thrive With Active R&D Thrust

... component of national security and defense strategies in the near future," says Frost & Sullivan Research Analyst Neelima Sagar. "With specific end user requirements in mind, market participants have invested heavily in the development of novel solutions." The market share of this vertica...

Surviving mass extinction by leading a double life

... species Bolivina variabilis, found off the coast of Kenya. Their surprising discovery suggests that planktonic foraminifera may have survived the end Cretaceous mass-extinction by abandoning the poisonous oceans for a refuge in the relative safety of the sea-floor. When the oceans returned to normal...

Flexible neck in cell-receptor DC-SIGN targets more pathogens

...flexible, rod that projects the molecule's binding sites away from the cell surface," Leckband said. "A rigid presentation of the binding sites at the end of the neck would restrict DC-SIGN to a few specific, spatial forms. Instead, the molecule's flexibility and adaptability allow it to recognize a much...

Happier, healthier, more productive hens on omega-3?

...reported. Latest evidence suggests this is getting worse, with many birds from barn and free range flocks having sustained breaks or fractures by the end of their lifetime. Fractures of the sternum (keel) are common, causing pain, preventing important behaviours and leading to an increase in infecti...

Medical use for waste television screens

...ork Green Chemistry Centre of Excellence and one of the author's of the research, said: "With 2.5 billion liquid crystal displays already reaching the end of their life, and LCD televisions proving hugely popular with consumers, that is a huge amount of potential waste to manage. "It is important that...

US Government Places 6,1 Million USD Orders Related to Precise Match-on-Card(TM) for Cyber Security Programs

...nued deployment of Precise Match-on-Card(TM) in multiple agencies. Delivery will start immediately and the order will be delivered and invoiced before end of 2009. To view the Multimedia News Release, please click: http://www.prnewswire.com/mnr/precisebiometrics/38917/ The solution...

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

... the main cause of mental and certain neurological disorders. The essential knowledge of central features of neurotransmission was first gained at the end of the 20th century. By mapping the networks of neurotransmission, scientists are looking for specially tailored therapies to influence various neurot...

Telomeres resemble DNA fragile sites

... stall and go awry. But what keeps our fragile telomeres from falling apart is a protein that ensures the smooth progression of DNA replication to the end of a chromosome. The research, led by Titia de Lange, head of the Laboratory of Cell Biology and Genetics, and first author Agnel Sfeir, a postdoct...

Ozone, nitrogen change the way rising CO2 affects Earth's water

...ystems and how long it stays there. Plants draw in water from the atmosphere and soil, and they discharge it naturally through transpiration, the tail end of photosynthesis when water vapor and oxygen are released into the air. The amount of water that plants give up depends on how much carbon dioxid...

UH team analyzes Hurricane Ike's effects on waterways, fish contamination

...valid. We actually merged it with our data, and it was very consistent with what we see," she said. "We looked carefully at what was done, and, at the end of the day, I wasn't surprised." While the industrial history of Houston is amazing, Rifai said, residents and officials are dealing with the reper...

Explosive growth of life on Earth fueled by early greening of planet

...eriod, the time interval just prior to the Cambrian explosion. "An explosive and previously unrecognized greening of the Earth occurred toward the end of the Precambrian and was an important trigger for the Cambrian explosion of life," said Knauth, a professor in Arizona State's School of Earth and S...

The tiny difference in the genes of bacteria

...ausing severe diarrhoea. This strain is a threat for the pacific region and reached the east coast of the United States in the 21st century. Since the end of the 1990s, Vibrio parahaemolyticus epidemics have led to thousands of cases of illness in Chile. In the future, due to ballast water or climate cha...

Ferns took to the trees and thrived

...f the new competition from flowering plants, Schuettpelz said. Some ferns developed the ability to make a living on light that was more toward the red end of spectrum -- shade, in other words. And, around this time, some ferns also developed the ability to live on trees, sometimes without soil, as epiphy...

Anti-biotech groups obstruct forest biotechnology

... must be taken to create a regulatory environment that considers genetically modified trees on a scientific, case-by-case basis, and is focused on the end product rather than the process, say researchers from Oregon State University, Carnegie Mellon University and other institutions in an article in the ...
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