Tag: "paradigm" at biology news

American Chemical Society's Weekly PressPac -- Aug. 1, 2007

... their new molecular-scale dosing devices as a new paradigm for precise control of drug dosing using light. The devices consist of medications that are combined with certain chemical compounds that respond to light in ways that release precisely controlled amounts of the drug. Drug release begins when light f...

Learning a second language -- Is it all in your head?

...be less successful to see if altering the training paradigm results in more successful learning, Wong added. According to Warrier, Northwestern research professor of communication sciences and disorders, the researchers were surprised to find the HG important in second language learning. The HG, which contain...

Is nutrient loading a smaller problem than we think?

...e overgrowth effect as nutrient enrichment. This paradigm could have major repercussions for management of coastal ecosystems, considering the research and management emphasis of recent decades on nutrient control. Especially if upper trophic levels have been altered, nutrient reduction is unlikely to help ...

Size and positioning of floral anthers facilitates pollen collection by bees

...ing of evolution and development is a shift in the paradigm of how organisms evolved and diversified. In a symposium at the joint annual meeting of the American Society of Plant Biologists and the Botanical Society of America (July 7-11), Dr. Peter Endress of the Institute of Systematic Botany at the Univers...

Size and positioning of floral anthers facilitates

...ing of evolution and development is a shift in the paradigm of how organisms evolved and diversified. In a symposium at the joint annual meeting of the American Society of Plant Biologists and the Botanical Society of America (July 7-11), Dr. Peter Endress of the Institute of Systematic Botany at the Universi...

Researchers identify genetic mutation that may alter tumor cell proliferation

...ification of patients for targeted therapies. This paradigm of identifying specific defects in cancer cells to successfully develop innovative therapies has been validated with oncology drugs such as Gleevec in leukemia and Herceptin in breast cancer....

Stowers Institute's Workman Lab demonstrates mechanism for decoding histone modification marks

...hanges the prevalent 'one domain-one modification' paradigm in the field," said Robb Krumlauf, Ph.D., Scientific Director. "These findings may lead to future discoveries of many other combinations implicated in human diseases." ...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...ween the early evening and midnight. Following the paradigm that transients are most vocal when feeding, these results suggest that more feeding occurred at night when it is not possible to observe them visually. This acoustic information is a valuable supplement to traditional visual observations, and is she...

CSHL selected for odENCODE Data Coordination Center

...GRI initiative. The modENCODE project will set the paradigm for the way we organize all knowledge of human biology. Lincoln Stein is a pioneer in the dissemination of genome-based information, making it readily available, without restriction, to not only the scientific community but to the general public, sa...

Molecule that destroys bone also protects it, new research shows

...e for nearly all immune system activities. "This paradigm underwent a sea change in 2005 with the discovery of a new type of T cell that produces IL-17, now called TH-17," she said. "We know now that almost all autoimmune diseases, at least in the mouse model, are caused by TH-17 cells. This new information...

News tips from the Journal of Neuroscience

...cted? Seymour et al. used a pavlovian conditioning paradigm in which subjects were shown a series of visual stimuli followed by an indication of personal financial gain or loss. Subjects then made appetitive or aversive predictions, respectively, during functional magnetic resonance imaging. Blood oxygenation...

Humans aren't the only ones with obesity problems

...cally altered grass meant for food animals. "The paradigm is that we feed horses the same grasses we are feeding food animals," Johnson said. "The genetically designed grass we feed horses was designed to fatten food animals quicker." The genetics of horses, like many species, allows for the extra storing...

Genomics throws species definition in question for microbes

...mittee on Systematics of Prokaryotes to consider a paradigm shift in the species definition. The need for more thorough study of the mechanisms of speciation before a more meaningful and practical species theory can be developed. The need for more comprehensive and systematic data to uncover wheth...

Simulated populations used to probe gene mapping

...ce. "simuPOP is one of the first examples of a new paradigm where the tools of the various disciplines are being used in concert to create a clearer picture of genetic health effects." "Complex diseases like hypertension and cancer are usually caused by multiple disease-susceptibility genes, environmental f...

Researchers identify molecular basis of inflammatory bowel disease

...ak of inflammation in the intestine provides a new paradigm for the pathogenesis of inflammatory bowel disease. Since the immune systems of mice and humans are very similar, the insights gained through the mouse model are steps towards a better understanding of the mechanisms causing human inflammatory bowel ...

Biophysical Society announces new and notable symposium speakers

...terial chemotaxis pathway is widely discussed as a paradigm system in signaling biology. The Structural Basis of Ribozyme-Catalyzed RNA Assembly and its Implications for an RNA World.William Scott, University of California, Santa Cruz. Professor William G. Scott. just solved the first structure of an RN...

Biodesign Institute takes part in $14.4M NIH chemical defense grant

...yland. "The work of this new center will lead to a paradigm shift in how to treat nerve agent exposure." Besides the terrorist threat, Biodesign's Mor points out that the active chemical ingredient contained in nerve agents, organophosphates, can be found in many pesticides, leading to the accidental death ...

Emerging research heralds new era of breast cancer management

...reast cancer management evolve dramatically from a paradigm centered on radical surgery to one that involves the synergistic combination of multidisciplinary approaches." She concludes, "It will be important for surgeons to stay aware of all developments that may improve the care of their patients, and to be ...

Rong Li Lab demonstrates the process of mammalian egg maturation

...lls. Therefore, the egg system provides an unique paradigm for understanding the basic strategies that mammalian cells use to undergo specialized cell divisions." "The process of egg maturation is critical for reproduction," said Robb Krumlauf, Ph.D., Scientific Director. "Any mistake in this process can ...

ASM Biodefense and Emerging Diseases Research Meeting

...izing that emerging infectious diseases serve as a paradigm for handling the public threat of bioterrorism. This meeting is intended for scientists, public health researchers and policy makers who need to be informed about the latest scientific developments. The meeting will include a series of keynote add...

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