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Tag: "single" at biology news

Mayo researchers discover HIV dependence on a human protein

...a computer virus spreading around the world from a single infected computer. ...

Supercomputing equipment to advance the frontiers of computational biology

...neering. The new Blue Gene system consists of a single rack with 1,024 dual processor compute nodes, 32 I/O nodes, a service node, a front-end node, and multiple terabytes of SAN-based disk storage. Announced in May 2006, the Computational Center for Nanotechnology Innovations (CCNI) is a $100 million...

Fast test for low blood flow in dogs detects early heart trouble

...hine costs between $1.5 million and $2 million. A single test costs approximately $700. ...

Protein splicing upsets the DNA colinearity paradigm

... of antigenic peptides that can be produced from a single protein, and therefore widens the applicability of peptide vaccines against cancer and infectious diseases....

Detailed 3-D image catches a key regulator of neural stem cell differentiation in action

... the polymerase tail. "We captured Scp1 bound to a single seven amino-acid long repeat containing specific phosphates," explains Zhang, the paper's first author. "It turns out that only three amino acids are important for Scp1's ability to know how to remove phosphates from RNA polymerase." She adds th...

Mapping the mouse genome

... other of recombinant inbred lines (RI). Using the single nucleotide polymorphism (SNP) data that resulted from physical mapping of the mouse genome, the authors were able to track the patterns of inheritance of >10,000 SNPs in both groups of mice. Next, they were able to calculate their relative geneti...

From a lowly yeast, researchers divine a clue to human disease

... journal Molecular Cell, shows how a mutation in a single gene can have widespread effects on regulation of ...ing RNA as it goes. Multiple genes strung along a single length of DNA are separated by gaps to mark boundaries. As the polymerase reaches the end of a gene...

Scientists win grants to develop $1,000 genome sequencing technology

...ndividual pieces of DNA attached to the surface of single slides. The latest genome-sequencing grant was announced simultaneously with the announcement of the Archon X PRIZE for Genomics, a $10 million cash prize to go to the first team that creates the technology to successfully map 100 human genomes in...

Why do insects like to eat some plants more than others?

... "What was surprising," Miller adds, "was how one single trait predicted the variation" The results also have implications for understanding the evolution of plant allocation strategies. Current thinking on the subject says that these strategies are a trade-off between current reproduction and future su...

'Best of both worlds' -- Targeting a single gene could inhibit bone decay and stimulate bone growth

...Medicine have found by targeting the function of a single gene that it is possible to inhibit bone decay whi...tabolism and show that targeting the function of a single gene could possibly inhibit bone decay while stimulating bone formation. "We have finally proven...

Artificial cornea offers better results for infants, some blind patients

...ections in the first year after surgery, and not a single one has needed to undergo another operation due to complications. This is in marked contrast to a group of 31 patients whom he also operated on, using a different technology, nearly 30 years ago. That group underwent a total of 51 additional operatio...

Lab-on-a-chip could speed up treatment of drug-resistant pneumonia

...8, described a new lab-on-a-chip that can identify single bacterial cells for the most common cases of drug-resistant pneumonia, cutting down the wait from days to hours. The technology could also help in the development of new drugs. The constant bombardment by antibiotics and disinfectants has bred strai...

Small, smaller, smallest -- The plight of the vaquita

...y endangered species. According to one analysis, a single survey in 2006 or 2007 would have a probability of only 11% of detecting a 3%/year decline and a 16% probability of detecting a 10%/year decline. Achieving an acceptable probability (e.g. 95%) of detecting a 3% decline would require annual surveys ov...

'Conversation stoppers' fight deadly bacterial infections

... Abh4, we may be able to disrupt the activity of a single class of endocannabinoids, rather than all of them." In the new study, the researchers provide biochemical evidence of an alternative pathway for NAE biosynthesis in vivo and demonstrate that these new routes are especially important for the creatio...

Nanotechnology propels advances in regenerative medicine research

... Abh4, we may be able to disrupt the activity of a single class of endocannabinoids, rather than all of them." In the new study, the researchers provide biochemical evidence of an alternative pathway for NAE biosynthesis in vivo and demonstrate that these new routes are especially important for the creatio...

Regulating the nuclear architecture of the cell

...rganized throughout the cell nucleus. Instead of a single well-formed nucleolus where genes for ribosomal DN... properly, heterochromatin remains condensed and a single nucleolus forms around the ribosomal DNA. But lack of H3K9 methylation -- whether from a mutation in...

Brown seaweed contains promising fat fighter, weight reducer

... Abh4, we may be able to disrupt the activity of a single class of endocannabinoids, rather than all of them." In the new study, the researchers provide biochemical evidence of an alternative pathway for NAE biosynthesis in vivo and demonstrate that these new routes are especially important for the creatio...

Study shows enzyme builds neurotransmitters via newly discovered pathway

... Abh4, we may be able to disrupt the activity of a single class of endocannabinoids, rather than all of them." In the new study, the researchers provide biochemical evidence of an alternative pathway for NAE biosynthesis in vivo and demonstrate that these new routes are especially important for the creatio...

Muscle and bone from an ink-jet printer

...n pattern the formation of multiple tissues from a single population of adult stem cells. Bioengineers from Carnegie Mellon University’s Robotics Institute and the Institute for Complex Engineered Systems teamed with stem cell biologists from the University of Pittsburgh School of Medicine and Children’...

Electric jolt triggers release of biomolecules, nanoparticles

...esearchers used gold electrodes, each as thin as a single strand of human hair, fabricated through the same photolithography techniques used to make computer chips. "We used a gold electrode because gold is a good conductor of electricity," said Mali, "and because it's an inert metal, it wouldn't get involv...

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