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Tag: "dynamics" at biology news

Carnegie Mellon scientists find key HIV protein makes cell membranes bend more easily

...data to conduct future computer simulations of HIV dynamics to help further drug discovery and prevent deadly infections. “We found that HIV fusion peptide dramatically decreases the amount of energy needed to bend a cell-like membrane,” said Stephanie Tristram-Nagle, associate research professor of biologic...

Cellular message movement captured on video

...t reveal paxillin movement. “We can now see the dynamics of how paxillin and other proteins move inside the cell with new fluorescent labels and live-cell video microscopy,” said Chien, director of the Whitaker Institute of Biomedical Engineering at the Jacobs School. The two-color labeling technique of...

Undergraduate research shows leaderless honeybee organizing

...y also have key implications for understanding the dynamics of all social animals, including man. Pierce’s ... the colony and swarm, appear to be decided by the dynamics of the group itself. Social interactions, environmental pressures or group dynamics in some still-un...

Small, self-controlled planes combine plant pathology and engineering

...” Schmale said. “An increased understanding of the dynamics of plant pathogens in the atmosphere is essential for establishing effective quarantine measures, preventing the spread of plant disease, and mitigating potentially damaging events targeted at our nation’s agriculture and food supply.”...

New findings challenge established views on human genome

...ntain the structure of chromosomes and mediate the dynamics of their replication. The collaborative study focused on 44 targets, which together cover about 1 percent of the human genome sequence, or about 30 million DNA base pairs. The targets were strategically selected to provide a representative cross s...

Antarctic icebergs -- Hotspots of ocean life

...ting to rising sea levels and other climate change dynamics in complex ways, this additional role of removing carbon from the atmosphere may have implications for global climate models that need to be further studied,” added Smith. To understand the icebergs’ complex impacts, the multidisciplinary team of...

DOE JGI sets 'gold standard' for metagenomic data analysis

...ce isolate genomes, so that we can model ecosystem dynamics using metabolic reconstructions of metagenomic data. "However, so far all the methods that have been developed were aimed toward analyzing data coming from single, isolate genomes. In this instance, the situation is simple; we know what gene belongs...

Asexual worm quickly adapts to soil contamination

...ions. This not only has consequences for the size, dynamics and structure of the population but it can also lead to genetic changes and adaptations. Doroszuk investigated the long-term effects of pollution on the bacteria-eating nematode Acrobeloides nanus. This asexually reproducing nematode is easy to cultu...

Dinosaur hearing, listening to muscle noise, quieter cubicles

... sometimes incorrectly apply the concepts of fluid dynamics to the study of brass instruments, giving improper scientific authority to some teaching statements and product descriptions (4pMU1). In wind instruments, an area of controversy has been whether their sound quality and responsiveness are significant...

Tundra disappearing at rapid rate

... ahead. "The conventional thinking on treeline dynamics has been that advances are very slow because condi...Polar Year project that will be examining treeline dynamics across the circumpolar north....

2 brains -- 1 thought

...ls of the brain. This process depends on the exact dynamics of the neuronal activity. When the brain receives ...ame thought. Thus, only to a certain extent is the dynamics of neuronal activity dependent on the structure of neuronal networks. For networks far simpler than ...

A 'traffic light' for neurons means 'go' for improving brain research

...oward the important goal of mapping neural circuit dynamics on a millisecond timescale to see if impairments in these dynamics underlie severe psychiatric symptoms," said National Institutes of Health (NIH) Director Elias A. Ze...

Selectivity is ultimate aphrodisiac

...n their other dates. It's amazing." To explore dynamics in the opening minutes of romantic attraction, the researchers set up seven speed-dating sessions for a total of 156 undergraduate students. Participants had four-minute speed dates with nine to 13 opposite-sex individuals. Immediately following each...

Are we killing the world's oceans?

...ncrease in ocean dead zones, scientific and social dynamics during fisheries crises, how we all play a role in the collapse of coastal fisheries, and environmental issues surrounding offshore petroleum resource development. There will be opportunities for questions and discussion. Dr. Daniel Pauly, Directo...

How badger culling creates conditions for spread of bovine TB

...ween groups may be instrumental in driving disease dynamics at the population level, and adds further support to the contention that the social disruption of badger populations, for example by culling, is likely to promote disease spread." Data for the study came from an undisturbed high-density badger pop...

Scripps research study reveals structural dynamics of single prion molecules

...single unfolded prions, we were able to define the dynamics of two distinct regions or domains that determine ...itive tool used to measure molecular structure and dynamics such as in single proteins at the angstrom level, a measurement unit used to define molecular distan...

Researchers develop technique for bacteria crowd control

...e bacterial swimming in thin fluid films where the dynamics are essentially two-dimensional and the concentration can be adjusted continuously," explained Igor Aronson, physicists at Materials Science Division, Argonne National Laboratory. "Our results provide strong evidence for the pure hydrodynamic origin ...

Large size crucial for Amazon forest reserves

...ng at occurrence through time, one understands the dynamics of species faced by forest destruction". Some vani...ow different ways. The detailed treatment of the dynamics of 55 bird species allowed an unprecedented test of classical scientific hypotheses about the effect...

DNA ends: Common tool, different job

...ogy, will help scientists to better understand the dynamics that keep chromosomes ends, called telomeres, intact. "Identification of this new RPA-like complex, which is targeted to a specific region of the genome, suggests that multiple RPA-like complexes have evolved, each making individual contributions...

40,000-year-old skull shows both modern human and Neandertal traits

...nces between the skulls suggest complex population dynamics as modern humans dispersed into Europe. The different fragments of the reconstructed cranium ?named Oase 2 ?were found in a Late Pleistocene bone bed principally containing the remains of cave bears. They were recovered during a systematic excavat...

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(Date:5/21/2015)... BOSTON , May 21, 2015 ... scientific potential of music for health, today announced a ... (BerkleeICE) . The partnership will center on collaboration on ...  As a first step in the collaboration, The Sync ... course on "Music as Medicine" in the 2015-2016 academic ...
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Breaking Biology News(10 mins):The Sync Project Announces Partnership with Berklee College of Music's Institute for Creative Entrepreneurship 2The Sync Project Announces Partnership with Berklee College of Music's Institute for Creative Entrepreneurship 3NXT-ID, Inc Announces Participation as Member of Team Battelle for TIES Contract Award 2NXT-ID, Inc Announces Participation as Member of Team Battelle for TIES Contract Award 3HYPR Corp. Biometric Security Integration Kit Shields Applications and Devices Across the Internet of Things 2HYPR Corp. Biometric Security Integration Kit Shields Applications and Devices Across the Internet of Things 3
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