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Sugar on bacteria surface serves as base for a web of resistance

COLUMBUS, Ohio The bacteria responsible for chronic infections in cystic fibrosis patients use one of the sugars on the germs' surface to start building a structure that helps the microbes resist efforts to kill them, new research shows. Scientists have determined that the bacterial cell-surfa...

Antarctic warming to reduce animals at base of ecosystem, shift some penguin populations southward

The warming most global climate models predict will do more harm than simply raise the sea levels that most observers fear. It will make drastic changes in fragile ecosystems throughout the world, especially in the Antarctic. A warming trend during the last few decades in the Antarctic Peninsula...

MatBase -- A new transcription factor knowledge base released by Genomatix

Genomatix Software GmbH, a pioneer and leader in the analysis of eukaryotic transcriptional regulation, releases MatBase, a knowledge base of transcription factors (TF). It contains genomic TF binding sites and protein binding domains, related literature, more than 27.000 known TF ?gene interact...

Understanding how weeds are resistant to herbicides

...cally available. "There's a website where you can go and get the 43 million base pairs of sequence. So anyone can get it and use that information." Tranel...amaranth another pigweed evolving resistance, can go straight to that data base and get gene sequence data." Another outcome of having this genomic data...

Beautiful plumage: Feather color and sex start the species revolution

...providing evidence for the evolution of a new species. Birds use plumage colour to recognize and select potential mates. A mutation of a single DNA base can lead to a striking colour change, as demonstrated by two closely related flycatcher populations in the Solomon Islands. According to a report in t...

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

...ists also discovered that Cryptomartus hindi had ball-like growths at the base of its limbs, called coxal endites. The scientists believe the coxal endite...-over from their last common ancestor, who probably used the growths at the base of their limbs to help them grind their food. These coxal endite-type growt...

Sustainable agriculture at the ESA Annual Meeting

...ears to show results, Chaplin-Kramer says, which is why many farmers are skeptical of the idea. But, she says, there's no doubt that a strong predator base is more sustainable than simply using pesticides. "Pesticides are a short-term solution, because pests can build up resistance, and new pesticides a...

Animal and plant communication at the ESA Annual Meeting

...s Ellison. Seventy percent of pitcher plants' prey are ants, which see the color red as grey. Since grey probably only weakly contrasts with the green base color of the pitcher, it's probable that the ants can't differentiate between mostly red and mostly green plants. Ellison thinks this work is a goo...

August 2009 Geology and GSA Today media highlights

...chronology and archaeology. The study also constructed detailed strontium isotope maps around the archaeological sites of Mayapn and Chichn Itz. These base maps are valuable for documenting local strontium isotope ratios and will be used to unravel the migration history to and from these ancient Maya citi...

Iron isotopes as a tool in oceanography

...s is due a shortage of the essential micro-nutrient iron, which is needed for the growth of phytoplankton. These tiny, plant-like organisms sit at the base of the marine food chain and collectively draw vast amounts of the greenhouse gas carbon dioxide down from the atmosphere through the process of photo...

Bizarre walking bat has ancient heritage

... a special relationship as a pollinator for the Hades flower, or woodrose, a parasitic plant that produces nectar from blooms near ground level at the base of tree trunks. Among other unusual traits, the bat is thought to use its teeth and claws to excavate roosting burrows and males appear to compete ...

Frost & Sullivan Recognizes MIRTEC With the 2009 Award for Automated Optical Inspection Product Innovation of the Year

...anufacturing, as well as low-volume high-mix markets such as medical, automotive, aerospace and defense," Notes Srinivasan. "With a combined installed base of several thousand systems and projected sales of over 500 systems per year, the company is rapidly gaining market share and establishing its leaders...

Baylor researchers unravel mystery of DNA conformation

...sional stress was the force that accounted for the base flipping that others have seen occur, but for whic...was supplied to do this very big job." When the base flips out, it relieves the stress on the DNA, whic...en relaxes the rest of the DNA not involved in the base flipping back to its "perfect spring" state. Wh...

Landmark project to map genomics of complex ant systems

...istry of fungus-growing ants. The wealth of new data generated by the grant will include three areas of DNA sequencing: genomics, providing all of the base pairs of DNA within an organism; transcriptomics, revealing which genes are being turned on during a given situation; and metagenomics, delineating wh...

Army study improves ability to predict drinking water needs

... AUDIO: When soldiers leave base for a three-day mission, how much water should they bring? Dr. Samuel Cheuv... BETHESDA, Md. (July 8, 2009) When soldiers leave base for a 3-day mission, how much water should they bring? Military planners an...

UTSA infectious disease researchers advancing vaccine against Valley fever

..., having significantly increased in the last decade. STCEID researchers at UTSA and Wilford Hall Medical Center at San Antonio's Lackland Air Force base have long collaborated on Coccidioides studies in the hopes of developing a vaccine to better protect those who are exposed to it in the future. Th...

Hurricane Katrina: Phone home

...e measurements of moisture fields in remote locations," Prof. Alpert adds. Using the signals collected from cell phone towers as they communicate with base stations and our handsets, weather forecasters will now have a crucial missing piece of information for flood prediction that they never had before. I...

Dogs, humans, put heads together to find cure for brain cancer

...length of human chromosome 22. This chromosome is made of almost 50 million base pairs of DNA that code for more than 500 genes. "The dog has been man's ...esponds to canine chromosome 27. "Now, instead of looking at 50 million base pairs that contain several hundred genes, we can focus on the portion of hu...

Canadian researchers set to study impact of nanomaterials on aquatic ecosystems

...ology is a very new and quickly developing field. Governments and regulating agencies around the world are seeking solid scientific data upon which to base their regulatory standards," said Greg Goss, project co-leader and professor of biological sciences, University of Alberta. "This research will allow ...

International team of students and scientists on month-long field course in Siberian Arctic

...80 kilometers south of the Arctic Ocean on the Kolyma River, near Cherskiy. The participants will stay on a 30-meter barge that will serve as a mobile base for field trips up and down the river. Boyd Zapatka, an undergraduate who went last year and who is participating again this year, says, "My experi...

'Canadian excellence' strengthened by extensive adoption of open access

...epository. The service ensures that Laurier's scholarly communication output is consolidated, thus enabling researchers to broaden their knowledge base through greater collaboration and also providing a central point to store teaching support materials across the Laurier community. Laurier Universi...

Geographic profiling applied to track hunting patterns of white sharks in South Africa

...etween white sharks and Cape fur seals at Seal Island in False Bay, South Africa. They found that sharks possess a well-defined anchor point or search base for hunting, but not where the chances of prey interception were greatest. Instead the attacks seemed to take place at strategic locations that could ...

DNA template could explain evolutionary shifts

...ates the two strands, breaking the hydrogen bonds between the A T and G C base pairs. The two separating strands become the replication fork. On one stran...omic rearrangements ranging in size from several megabases to a few hundred base pair during normal cell division, resulting in the duplication or even trip...

MSU lands $2.1 million grant to take part in national autism study

...velopment disorder often affecting children before their third birthday, are not known. A large study such as this will give doctors and researchers a base of knowledge to draw on as they seeks ways to prevent and treat the condition, said Nigel Paneth, an MSU epidemiologist and co-investigator in the stu...

'Platforms in space' to help businesses

...elopment unit said "G-STEP will exploit GMES technologies and the wider R&D base to advance business innovation and economic competitiveness in the East Mid...its Chairman, Nick Carter, who sits on the steering group. The physical base will provide meeting space, a design facility, and logistics for service an...

Scientific evidence of health problems from past contamination of drinking water at Camp Lejeune is limited and unlikely to be resolved with further study

...N -- Evidence exists that people who lived or worked at Camp Lejeune Marine base in North Carolina between the 1950s and 1985 were exposed to the industrial... 8 of the report. Some health outcomes reported by former residents of the base -- such as male breast cancer and second-generation effects -- are not cite...

Zebra mussels hang on while quagga mussels take over

...rmanently changed the ecosystem. Before the mussels invaded, Lake Michigan water was mostly cloudy and millions of tiny microorganisms provided a food base for fish. Because the mussels filter the microorganisms, the waters today are surprisingly clear, allowing light to penetrate to greater depths, which...

Colon cancer screening technique shows continued promise in new study

...ackscattering (LEBS) spectroscopy, to analyze tissue samples taken from the base of the rectum. Light shines on the tissue, scatters, and some of that light...growths elsewhere in the colon even though it just analyzed tissue from the base of the rectum. The results were recently published in the journal Cance...

Contaminated drinking water at Camp Lejeune -- Report release June 13

... Two chemicals -- trichloroethylene (TCE) and tetrachloroethylene (PCE) -- found to have contaminated drinking water at Marine Corps base Camp Lejeune from the 1950s to 1985 have been linked to certain diseases and disorders, including various cancers. A new report from the National Res...

Amarna Therapeutics B.V. and TNO announce SVac research and development partnership

...cinations to treat immunity-associated diseases including autoimmune diseases, allergies and cancer and gene therapies to treat genetic disorders. The base of Amarna’s therapeutics is the SVac viral gene delivery vector platform, which provides sensational characters unheard of in the Pharma arena, ...

Design input accelerates new technologies' route to market

...increase the potential for commercial success." David Kester, Chief Executive of the Design Council, said: "In the UK we have a world-class science base with researchers working at the forefront of new thinking, plus an equally potent design capability with the skills to translate ideas into products a...

Aluminum-oxide nanopore beats other materials for DNA analysis

...ers performed experiments with pieces of DNA containing approximately 5,000 base pairs. Bashir's team verified the detection of single molecules, with a sig...olid-state nanopore technology. "More work must be done to achieve single base resolution, however," Bashir said. "Our next step is to detect and measure ...

Breakthrough made in assessing marine phytoplankton health

...e-celled organisms that are responsible for half of the photosynthetic productivity on Earth. They fuel nearly all marine ocean ecosystems and are the base of the marine food chain. Measurements of phytoplankton are an important way to understand the broader health and productivity of the ocean, resear...

Rapid approach to identify influenza A virus mutations and drug resistance developed

...ensity microarray contains probes which can reveal the complete sequence of the flu virus from patient samples, it enables the detection of any single base mutations in the regions of the genome, which is important for drug susceptibility. Where virus re-assortment has occurred, it will be able to identif...

Aware, Inc. Reports First Quarter 2009 Financial Results

...focused on growth in our target markets. We believe we will succeed by focusing on leading edge, innovative solutions to a large and diverse customer base in the biometrics and broadband markets." Note: Aware's conference call will be broadcast live over the Internet today, May 5, 2009 at 5:00 p.m....

Healing wounds with lasers, vehicles that drive themselves, other cutting-edge optics

...recent Defense Advanced Research Projects Agency (DARPA) contest aimed at spurring the development of such technologies. Held at a former air force base in Victorville, Calif. in late 2007, the DARPA Urban Challenge offered a $3.5 million purse to competitors who could design the fastest and safest veh...

Hunt for 'climate-ready' crops accelerates as organizations search seed collections worldwide

...at new varieties can benefit the most vulnerable growers in marginal areas In the Philippines, the Institute of Plant Breeding will widen the genetic base available for improving bananas by researching ways to eliminate the deleterious effects of viruses that have become integrated into the genetic make-...

URI receives $18 million grant to strengthen biomedical research capacity in Rhode Island

... the program has been instrumental in the hiring of new faculty at all participating institutions, thus expanding the biomedical research and training base of the state. The University's Summer Undergraduate Research Fellowship Program, launched as part of the 2001 grant, will also be expanded to prov...

Climate change driving Michigan mammals north

...eds, they eat the insects that kill trees, they disperse the fungus that grows in tree roots that is necessary for trees to grow, and they're the prey base for a huge number of carnivorous birds, mammals and snakes. But we don't know enough about their natural history to know whether replacing a northern ...

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

...the world face that decision as they replace millions of deteriorating cross ties, also known as railway sleepers, those rectangular objects used as a base for railroad tracks. A new report concludes that emissions of carbon dioxide one of the main greenhouse gases contributing to global warming from pr...
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