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Tag: "draw" at biology news

Making plant cells work like miniature factories

...wn about it genetically, we can hopefully begin to draw correlations between the chemical and genetic makeup. We hope that such fundamental research will be applicable to other plants as well." Ames Laboratory is a DOE Office of Science research facility operated by Iowa State University. The Lab conduct...

Gene that helps mosquitoes fight off malaria parasite identified

...uitoes become infected with the parasite when they draw blood from humans who have malaria. As the parasite matures, it moves from the mosquito's midgut to its salivary glands. Once in the salivary glands, the Plasmodium can be injected into another human when the mosquito feeds again. In the study, the...

Embryonic stem cells accrue genetic changes

...re clinical applications, the researchers say, but draw attention to the need to closely monitor stem cell lines for genetic changes and to study how these alterations affect the cells' behavior. The researchers' work is described in the Sept. 4 online edition of Nature Genetics. "This is just the first...

Life in deadly conditions

...hey are model organisms from which researchers can draw conclusions about the first organisms on earth. The scientists studied mechanisms that make survival possible for the single-celled organisms, which are rod-shaped and are only five hundredths of a millimetre in size. At the Department of Membrane B...

Plants have a double line of defence

...ience (November 18, 2005). In their findings, they draw parallels between the immune systems of plants and animals. This research could be central to the development of new "green" fungicides. The Max Planck researchers were able to identify the gene known as PEN (penetration) as an important component ...

First big influenza genome study reveals flu evolution

... of genetic resources that the influenza virus can draw upon," says Salzberg, a researcher at TIGR and also director of the University of Maryland's Center for Bioinformatics and Computational Biology. "Pockets of distinct flu strains spread locally, with flu evolving in different directions. Then, when o...

New study examines how sense of smell affects mating and aggression in mice

...e adds. "When you touch a hot pan, you immediately draw your hand away. Or, if you place your finger in an infant's palm, the baby will grasp it instinctively." The current research findings might also be relevant for controlling pest populations, which utilize olfactory cues in a manner similar to mice,...

Clinical trial to test stem cell approach for children with brain injury

...injury. Safety trials involve too few patients to draw broad conclusions about the effectiveness of treatment. But they can set the stage for larger-scale research. "All the preclinical data suggest this is a safe procedure with substantial information suggesting a possible treatment effect," Cox said....

New maps reveal true extent of human footprint on Earth

...Internet-based data bank that would simultaneously draw on the knowledge of global scientists, local environmentalists and everyday citizens. Adds Foley: "[The Collaboratory] will truly be a brave new experiment that effectively bridges science, decision-making and real-world environmental practice - coll...

Birth defects: 8 million annually worldwide

...misconception that attention to birth defects will draw funding from other priority public health efforts -- when, in fact, increased efforts to reduce birth defects in children contributes to the health of the entire population. Their recommendations in this report are aimed both at addressing health di...

Contagious obesity? Identifying the human adenoviruses that may make us fat

...ence of infection with Ad-37 ?not enough people to draw any conclusions, she said. Ad-37, Ad-36 and Ad-5 are part of a family of approximately 50 viruses known as human adenoviruses. Researchers now must: identify the viruses that cause human obesity devise a screening test to identify people who are ...

Low-cost drug gaining favor for use in HIV-infected children in poor countries

...hat evaluates medical research. Systematic reviews draw evidence-based conclusions about medical practice after considering both the content and quality of existing medical trials on a topic. To be included in the Cochrane findings, a study had to be a randomized clinical trial. Grimwade's search turned ...

Ten years later, Dolly is still making headlines

...e most highly trained scientists in the world ?can draw their own conclusions," said John Lisack, AAPS executive director. "With topics like cloning and biogenerics headlining this year's event, there is no more exciting and challenging time to be in the field of pharmaceutical sciences than now." The f...

Brain-computer link lets paralyzed patients convert thoughts into actions

...on Center, Nagle learned to open simulated e-mail, draw circular shapes using a paint program on the computer and play a simple video game, "neural Pong," using only his thoughts. He could change the channel and adjust the volume on a television, even while conversing. He was ultimately able to open and c...

Study finds the air rich with bacteria

...al attack, but to normal weather fluctuations that draw bacteria up from their natural reservoir." In this way, bacterial censuses can help explain whether a pathogen's presence is natural or indicative of a biological attack. In one example, the team detected relatives of Francisella tularensis, a na...

For crickets, parasitic flies can stop the music

... for some unlucky crickets, anyway. Male crickets draw not only females with their songs but also parasitic flies. The uninvited guests then deposit larvae that burrow into their amorous hosts, grow for about a week and then tear their way out in "Alien" fashion, killing the cricket as they emerge. No...

NYU biologists identify gene that coordinates two cellular processes

... Comparative Functional Genomics. Biologists can draw connections between genes based on systematically accumulated experimental evidence. Network diagrams that illustrate such connections show that most genes fall into highly interconnected groups called modules. These modules are often enriched for ge...

Genome archaeology illuminates the genetic engineering debate

...an important resource from which biotechnology can draw genes for insertion into an array of plants, generating unique genomes not achievable by conventional breeding," Messing said. "We could engineer plants to provide a more sustainable, healthy and productive source of food, while reducing the environm...

Road-crossing in chimpanzees: A risky business

... chimpanzees evaluate risk when crossing roads and draw on an evolutionarily old principle--shared with at least some other primates--of protective "socio-spatial" organization that produces flexible, adaptive, and cooperative responses by a group of individuals facing risk. The research is reported by Ki...

Breathing easy: When it comes to oxygen, a bug's life is full of it

... breathe through noses or mouths. Instead, insects draw in oxygen through holes in their bodies known as spiracles and pump the oxygen through a system of increasingly tiny tubes (tracheae) that deliver oxygen directly to tissues and muscles. Insects typically have a pair of spiracles for each thoracic an...

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