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Tag: "biological" at biology news

Ants Genetic Engineering Leads To Species Interdependency

...e to a system of interdependence at ahigh level of biological organization - in this case, the production ofworker ants for both species. Millionsof years before the first modern humans evolved, ants were practicingmany of the social innovations we consider to be our own: division oflabor, agriculture, and eve...

Papers of DNA Pioneer and Nobel Laureate Francis Crick Added to National Library of Medicine’s Profiles in Science Web Site

...l contributions to structural studies of important biological molecules through X-ray analysis; to our understanding of protein synthesis; to the deciphering of the genetic code by which hereditary information is stored and transcribed in the cell; and to our conception of the human brain. Francis Harry Compto...

Development of portable infectious disease detector

...seases, including HIV-AIDS and measles, as well as biological agentssuch as ricin and anthrax, is the object of a new jointuniversity/industry research project.Vanderbilt University's Institute for Integrative Biosystems Researchand Education (VIIBRE) and Pria Diagnostics LLC, a privately heldCalifornia company...

Alcohol's effects on gene expression in the central nervous system

...ex, and ventral tegmental areas show that distinct biological pathways are associated with alcohol's action in s...hat alcohol produces multiple effects on different biological processes," said McBride, "and that these changes are different in several brain regions which may b...

MSI releases 'moleculizer' - a new approach to simulation of intracellular biochemical networks

...videdata in a way that is meaningful and useful to biological researchers."Moleculizer was developed in the context of MSI's "Alpha Project", anambitious experimental and computational effort to understand thequantitative behavior of a cell signaling pathway in yeast. The AlphaProject is funded by the National ...

Nano-Probes Allow an Inside Look at Cell Nuclei

...alifornia-based Quantum Dot Corporation for use in biological assays. More recently, Chen and Gerion wondered i...ntum dot. The result is a hybrid quantum dot, part biological molecule and part nano-sized semiconductor, that is small enough to slide through the nuclear membra...

The Shapes Of Life: NIGMS Project Yields More Than 1,000 Protein Structures

...w.rcsb.org/pdb/, a repository of three-dimensional biological structure data. “The protein structures solved by the PSI are more than a scientific stamp collection,?explained Norvell. “They will help researchers better understand the function of proteins, predict the shape of unknown proteins, quickly identify...

The BIOS Initiative - open source biotechnology is born

...et), an online collaborative research platform for biological innovation, developed in partnership with CollabNe...ute use of intellectual property, informatics, new biological sciences, and the unique human element that Internet communication now provides" says Jefferson. ...

Estrogen-like Component of Plastic Stimulates Growth of Certain Prostate Cancer Cells

...that the actual dose of BPA exposuremay change the biological response,?Dr. Knudsen said.The safety of BPA has been under intense debate for several years, withsome arguing that exposure to the chemical among humans is safe, withothers contending that it may promote the growth of human tumor cellsand alter the ...

PANTHER Protein Classification System Database 5.0

...0. Proteins are classifiedby family, molecular and biological function (GO ontology) and knownpathways. Its main...sources for associatingprotein families with their biological pathways, as well as new toolsfor analyzing gene expression data in relation to molecular functions,...

Newly Discovered Compound Blocks Known Cancer-Causing Protein

...d discovered a new chemical compound with a unique biological function. When the scientists tested the compound's ability to inhibit Ras function in living cells, they found it blocked the ability of colon cancer cells to grow independently in soft agar, a typical test of the cancerous potential of cells. "Th...

New RNA polymerase discovered in plants

...rying out functions of cells and for expression of biological traits. It does its job by copying a template of DNA genetic information in order to make RNAs that encode proteins or that function directly in the cell. Biologists have studied three kinds of RNA polymerase for decades in organisms ranging from br...

Agilent Technologies releases automated literature search tool for biology researchers

...ure search tool for the multidisciplinary study of biological systems. The tool is available as a free plug-in t...nables researchers to form a visual map of complex biological networks, increasing their understanding of molecular pathways and the biological causes of disease....

RNA project to create language for scientists worldwide

...ntinuous discovery of new RNA molecules with novel biological functions is beginning to show that RNA plays far more roles than originally believed. For instance, while genomicists had previously determined that humans and chimpanzees share 99 percent of the same protein genes, it has now been discovered in the...

X-Ray Beams And Fruit Fly 'Flight Simulator' Aid Scientists' View Of Muscle Power

...The results suggest a model for how these powerful biological motors turn “on?and “off?during the wingbeat. “Small flying insects face an enormous task ?generating enough power to overcome gravity, air resistance and drag ?and they do this by beating their wings ferociously,?said Maughan. “We found out that ti...

UCSD team discovers specialized, rare heart stem cells in newborns

...en placed in the intact heart, they might serve as biological pacemakers for infants born with heart block, which could also be valuable." After the isl1+ cells were found in newborn rats, the UCSD team used sophisticated genetic methods to tag the progenitor cells in living embryonic tissue and in the newborn...

Carnegie Mellon scientists develop tool that uses MRI to visualize gene expression in living animals

...ontrast," said Eric Ahrens, assistant professor of biological sciences in the Mellon College of Science at Carnegie Mellon. "Now, with our approach, we have put this job into the hands of the molecular biologist. Using off-the-shelf molecular biology tools we can now enable living cells to change their MRI cont...

Affymetrix and Stratagene Announce Strategic Software Alliance

...e result will be better quality data to accelerate biological discovery and validation." "We are very pleased to announce this expansion of our longstanding relationship with Stratagene," said Steve Lincoln, Vice-President of Informatics at Affymetrix. "The combination of our GeneChip platform and the ArrayAss...

VCU Researchers Identify Networks Of Genes Responding To Alcohol In The Brain

...ltaneously, together with large databases of other biological information, researchers were able to identify sev...genes regulated by alcohol participated in certain biological pathways, such as the one leading to the production of myelin. Myelin is a form of molecular insulat...

Self-assembled nano-sized probes allow Penn researchers to see tumors through flesh and skin

...nal that is uniquely suited for visualizing living biological systems." According to Therein, there is keen interest in developing new technology that will enable optical imaging of cancer tissue, as such technology will be less costly and more accessible than MRI-based methods and free of the harmful side eff...

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