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Tag: "construct" at biology news

Scientists Replicate Hepatitis C Virus in Laboratory

...ct as start and stop buttons to gene activity. The construct was “naked,?meaning that it contained only nucleic...s the viral RNA in fully-formed HCV. The naked HCV construct was then placed into human liver cells in a cell culture medium. The NIDDK scientists found evidenc...

Nano-Probes Allow an Inside Look at Cell Nuclei

...els are also either toxic to cells or difficult to construct and manipulate. In the future, they hope to tailor quantum dots to track specific chemical reactions inside nuclei, such as how proteins help repair DNA after irradiation. They have already visualized the dots' journey from the area surrounding the ...

HIV vaccine trial breaks ground for future research

...The vaccine, produced by VaxGen, was a recombinant construct of the HIV envelope glycoprotein, similar to the type of vaccine used to develop a vaccine for hepatitis B. The vaccine was tested in a double-blind, randomized study of healthy participants who did not use intravenous drugs. The volunteers were men ...

Key mechanism in genetic inheritance during cell division identified

...rs say that ring formation is a complicated way to construct a microtubule binding structure, a microtubule binding ring might be uniquely suited to fulfill the functions of the Dam1 complex. In comparison with the purified Dam1, the Dam1 mutants produced partially formed rings that reduced microtubule binding...

Computational Method Speeds Mapping of Cell Signaling Networks

... a time and then tying the information together to construct a global picture of what’s going on inside the cell. But the molecules that make up individual pathways in signaling networks rarely operate in isolation--they "talk" to each other and work in sync to process information. What researchers have lacked...

Revolutionary nanotechnology illuminates brain cells at work

...esearchers better understand disease processes and construct new drugs." "FRET is like two musical tuning forks, which have the same tone," Okumoto continued. "If you excite one, it gives a characteristic tone. If you bring the second fork close to the first one, it will also start to give you a tone even tho...

New project aims to make large-scale lobster farms feasible

...versity of Miami will be working in Puerto Rico to construct lobster larvae collectors and determine the best design and placement locations on the cages; to set up submerged lobster enclosures and refuges referred to as casitas for raising juveniles; and to begin raising lobster in troughs on land. Work to de...

Master gene controls healing of skin in fruit flies and mammals

... and mammals share an ancient conserved pathway to construct and repair the body envelope that protects them from sharp edges and microbes, even though that body envelope is constructed of mostly different molecules." In their paper, the UCSD researchers state that studying the wound response pathway in fruit...

DNA constraints control structure of attached macromolecules

...s, duplex DNA has been used as a static lattice to construct geometrical objects in three dimensions. Instead of manipulating DNA alone into such shapes, the researchers are using DNA to control the folding and resulting structure of RNA. Eventually, they envision building supramolecular machines whose inner w...

UN successfully tests 'green' pesticide against locusts

...s, duplex DNA has been used as a static lattice to construct geometrical objects in three dimensions. Instead of manipulating DNA alone into such shapes, the researchers are using DNA to control the folding and resulting structure of RNA. Eventually, they envision building supramolecular machines whose inner w...

Health costs soar as 60 million Americans classed as obese

...s, duplex DNA has been used as a static lattice to construct geometrical objects in three dimensions. Instead of manipulating DNA alone into such shapes, the researchers are using DNA to control the folding and resulting structure of RNA. Eventually, they envision building supramolecular machines whose inner w...

Map of life on Earth could be used on Mars

...t development across the tree of life. "We try to construct the core with gene sequences, and then we look at the distribution of traits such as those involved in metabolism by laying it onto the tree," she said. Timely appearances of certain traits among prokaryotes on the tree of life can betray a trend of...

Motor transport in bio-nano systems

...laments can be isolated from the cells and used to construct biomimetic transport systems. In order to increase... can be isolated from biological cells and used to construct biomimetic transport systems. A relatively simple example for such a system consists of filaments wh...

Can our genes tell the story of our divergence?

... learned to use tools, and developed the skills to construct tree-bound nests high above the forest floor. We differ by just a tad over 1% at the DNA sequence level, yet scientists predict that both species should harbor genetic footprints of our divergence ?the subject of a recent study in the premier open-ac...

NHGRI Selects 13 More Organisms for Genome Sequencing

...erorhabditis bacteriophora). Researchers will also construct a physical map of the zebra finch (Taeniopygia guttata) genome, paving the way for later efforts to sequence selected regions of the songbird’s genome. “Sequencing the genomes of a diverse set of organisms is a powerful tool to understand the biolog...

Possible treatment found for 'chemobrain'

...erorhabditis bacteriophora). Researchers will also construct a physical map of the zebra finch (Taeniopygia guttata) genome, paving the way for later efforts to sequence selected regions of the songbird’s genome. “Sequencing the genomes of a diverse set of organisms is a powerful tool to understand the biolog...

Retina adapts to seek the unexpected, ignore the commonplace

...ltimate goal of the visual system is not simply to construct internally an exact reproduction of the external world, Meister and his colleagues write in Nature. Rather, the system seeks to extract from the onslaught of raw visual information the few bits of data that are relevant to behavior. This entails the ...

Making plant cells work like miniature factories

... chemical makeup within plant cells, the team must construct new analytical instruments capable of identifying molecules in such minute quantities. "Developing the instrumentation is a large part of the proposal and we're building a special, high-resolution mass spectrometer," Yeung said, "because there's not...

DNA self-assembly used to mass-produce patterned nanostructures

...mbers of the Triangle-area TROIKA collaboration to construct computing devices using DNA, were able to create the grids by using the binding properties of DNA to ensure that large numbers of DNA strands would assemble themselves in specified patterns. The two corresponding authors on the paper were Thom LaBea...

Nanoparticles, nanoshells, nanotubes: How tiny specks may provide powerful tools against cancer

...t the LHRH targeting moiety, the nanoparticle-drug construct doesn't kill the cancer cells and it's like a generally systemic chemotherapy drug." Again, the LHRH-ironoxide-Hecate combination worked best in targeting and killing breast cancer cells, including metastatic cells. According to Leuschner, the ...

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Breaking Biology News(10 mins):VOXX International Corporation Signs Definitive Agreement To Acquire The Assets And A Controlling Interest Of Biometric Leader EyeLock 2VOXX International Corporation Signs Definitive Agreement To Acquire The Assets And A Controlling Interest Of Biometric Leader EyeLock 3VOXX International Corporation Signs Definitive Agreement To Acquire The Assets And A Controlling Interest Of Biometric Leader EyeLock 4VOXX International Corporation Signs Definitive Agreement To Acquire The Assets And A Controlling Interest Of Biometric Leader EyeLock 5Digital Wallet Devices & Mobile Payment Management Services Gain a Distinct Advantage in the Digital Payment Evolution as Demand Continues to Grow 2Digital Wallet Devices & Mobile Payment Management Services Gain a Distinct Advantage in the Digital Payment Evolution as Demand Continues to Grow 3Digital Wallet Devices & Mobile Payment Management Services Gain a Distinct Advantage in the Digital Payment Evolution as Demand Continues to Grow 4Digital Wallet Devices & Mobile Payment Management Services Gain a Distinct Advantage in the Digital Payment Evolution as Demand Continues to Grow 5Digital Wallet Devices & Mobile Payment Management Services Gain a Distinct Advantage in the Digital Payment Evolution as Demand Continues to Grow 6Border Security Market Report 2015-2025 - Growth in Biometrics, ICT, Manned and Unmanned Vehicles, and Perimeter Surveillance 2Border Security Market Report 2015-2025 - Growth in Biometrics, ICT, Manned and Unmanned Vehicles, and Perimeter Surveillance 3Border Security Market Report 2015-2025 - Growth in Biometrics, ICT, Manned and Unmanned Vehicles, and Perimeter Surveillance 4Border Security Market Report 2015-2025 - Growth in Biometrics, ICT, Manned and Unmanned Vehicles, and Perimeter Surveillance 5Border Security Market Report 2015-2025 - Growth in Biometrics, ICT, Manned and Unmanned Vehicles, and Perimeter Surveillance 6Border Security Market Report 2015-2025 - Growth in Biometrics, ICT, Manned and Unmanned Vehicles, and Perimeter Surveillance 7Border Security Market Report 2015-2025 - Growth in Biometrics, ICT, Manned and Unmanned Vehicles, and Perimeter Surveillance 8Border Security Market Report 2015-2025 - Growth in Biometrics, ICT, Manned and Unmanned Vehicles, and Perimeter Surveillance 9
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