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Scientists at the Max Planck Institute for Chemical Energy Conversion (MPI CEC) and the Ruhr-Universit�t Bochum (RUB) have found through spectroscopic investigations on a hydrogen-producing enzyme that the environment of the catalytic site acts as an electron reservoir in the enzyme.
Nov 2nd, 2012
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Bacteria can talk to each other via molecules they themselves produce. The phenomenon is called quorum sensing, and is important when an infection propagates. Now, researchers at Link�ping University in Sweden are showing how bacteria control processes in human cells the same way.
Nov 1st, 2012
Read morePlant roots are surrounded by thousands of bacteria and fungi living in the soil and on the root surface. To survive in this diverse environment, plants employ sophisticated detection systems to distinguish pathogenic microorganisms from beneficial microorganisms.
Nov 1st, 2012
Read moreResearchers identify building blocks of trust: Honesty, transparency, capability, accountability, solidarity and generosity.
Nov 1st, 2012
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A new video-protocol in JoVE details steps to generate human induced pluripotent stem cells (iPSC) from cells in the peripheral blood. The technique has been developed by Boston University's Dr. Gustavo Mostoslavsky and his colleagues.
Nov 1st, 2012
Read moreBy decoding the genomes of more than 1,000 people whose homelands stretch from Africa and Asia to Europe and the Americas, scientists have compiled the largest and most detailed catalog yet of human genetic variation. The massive resource will help medical researchers find the genetic roots of rare and common diseases in populations worldwide.
Oct 31st, 2012
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A research team at the National Institute of Standards and Technology has developed a model for making quantifiable predictions of how a group of cells will react and change in response to a given environment or stimulus - and how quickly. The NIST model, in principle, makes it possible to assign reliable numbers to the complex evolution of a population of cells, a critical capability for efficient biomanufacturing as well as for the safety of stem cell-based therapies, among other applications.
Oct 31st, 2012
Read moreBlocking production of a pyruvate kinase splice-variant shows therapeutic promise.
Oct 31st, 2012
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Scientists have discovered that breaking a biological signaling system in an embryo allows them to change the destiny of a cell. The findings could lead to new ways of making replacement organs.
Oct 31st, 2012
Read moreThe dream of regaining the ability to stand up and walk has come closer to reality for people paralyzed below the waist who thought they would never take another step.
Oct 30th, 2012
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Potatoes with higher levels of beneficial carotenoids are the result of U.S. Department of Agriculture (USDA) studies to improve one of America's most popular vegetables.
Oct 24th, 2012
Read moreScaling up the production of biofuels made from algae to meet at least 5 percent -- approximately 39 billion liters -- of U.S. transportation fuel needs would place unsustainable demands on energy, water, and nutrients, says a new report from the National Research Council.
Oct 24th, 2012
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Using the size of guard cells in fossil plants to predict how much DNA each cell contained (the genome size), researchers have discovered that variations in genome sizes over geological time correlate with atmospheric carbon dioxide levels.
Oct 24th, 2012
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Global environmental watchdog Greenpeace launched a new report Monday warning the European Union against authorising herbicide-tolerant genetically engineered (HTGE) crops, saying they would lead to herbicide-resistant super-weeds.
Oct 22nd, 2012
Read moreLike job-seekers searching for a new position, living things sometimes have to pick up a new skill if they are going to succeed. Researchers from the University of California, Davis, and Uppsala University, Sweden, have shown for the first time how living organisms do this.
Oct 19th, 2012
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ETH-researchers demonstrate how vaccinia virus manipulates the cellular waste-disposal system and thereby cleverly tricks the cell into assisting the intruders replication. Now, the virologists have turned the tables, using inhibitors of this cellular waste-disposal system as a way to block virus infection.
Oct 18th, 2012
Read moreResearchers from North Carolina State University and University of North Carolina at Chapel Hill have developed a new technique that uses sound waves to rapidly separate selected collections of cells for use in biomedical research.
Oct 17th, 2012
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The detection of specific DNA sequences is central to the identification of disease-causing pathogens and genetic diseases, as well as other activities. But current detection technologies require amplification by polymerase chain reaction (PCR), fluorescent or enzymatic labels, and expensive instrumentation.
Oct 1st, 2012
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