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Tag: "vast" at biology news

DNA Molecules Used To Assemble Nanoparticles

...ers, star-like synthetic polymers that can carry a vast array of molecules on the ends of their arms. It is possible to build a single dendrimer carrying many different kinds of molecules such as contrast agents and drugs, but the synthesis process is long and difficult, requiring months for each new mole...

W.M. Keck Foundation funds study of friendly microbes

... because it didn't sequence genes belonging to the vast communities of bacteria that normally live on and in us. Now a $1.45 million grant from the W.M. Keck Foundation to researchers at the School of Medicine will help fill this gap by funding a study to develop new approaches for isolating, sequencing ...

Newly-discovered class of genes determines ?and restricts ?stem cell fate

...lls that grow uncontrollably, rather than from the vast majority of differentiated cells that make up organs where cancers are found. If this theory is correct, resident stem cells in the skin could be the cells that turn into skin cancers like melanoma. Understanding stem cell biology may therefore be im...

Scientists seek answers on what activates deadly anthrax spores

...mation in the anthrax chromosome translates into a vast array of protein structures, Claiborne said. Once they know the structures, they may not only be able to provide new details on how anthrax develops, but also pick out structural vulnerabilities that are key to designing new therapeutic agents to pre...

An HIV Protein Plays a Surprising Role in Gene Activation

...s. A great deal of human complexity stems from the vast repertoire of proteins and mechanisms dedicated to the business of regulating gene expression, and retroviruses like HIV have evolved myriad ways of redirecting that machinery to their own benefit. Humans and other eukaryotes have three types of RNA...

Scientists discover unique microbe in California's largest lake

...bosomal gene in a proteobacteriumjumped across the vast evolutionary distance that separates theproteobacteria and cyanobacteria, and switched places with the portionof the gene that had originally been inherited from the cyanobacterialparent."This finding shows that even this popular evolutionary chronom...

Measuring the impact of post-genomics on Mediterranean populations

...r following the mapping of the human genome ?offer vast opportunities to improve scientific knowledge and approaches to improving human health and welfare. The workshop, organised by the Pasteur Institute in Tunisia earlier this month, set out to explore how discoveries in this field can help the Mediterr...

New online portal merges vast data on Gulf of Maine ecosystem

...f Maine ecosystem and its species. For decades, a vast and growing storehouse of knowledge about the Gulf of Maine has been out of reach for most scientists and researchers. Although research capacity has grown by leaps and bounds as a result of computer and sensor technology, valuable collections of bio...

Affymetrix Licenses Microfluidics Technology From Caliper Life Sciences

...fe sciences company like Affymetrix recognizes the vast potential of LabChip technologies," said Kevin Hrusovsky, President and CEO at Caliper. "Affymetrix is moving beyond basic research applications and is pioneering areas such as pharmacogenomics and personalized medicine. Incorporating our technologie...

Computational Method Speeds Mapping of Cell Signaling Networks

...e post-genomic age when researchers are generating vast amounts of data. The statistical approach requires no prior knowledge of signaling pathways to uncover molecular relationships. This is a distinct advantage according to Pe'er, who notes, "Unlike classical biochemical approaches where you need to kno...

Revolutionary nanotechnology illuminates brain cells at work

...e. "I'm anxious to see what we can learn about the vast complexities of the brain over the coming years, such as the role of glial cells in the process of glutamate removal from the synaptic cleft. It's fascinating to see a tool that we are using in plant biology open new areas in neuroscience." ...

Study reveals new technique for fingerprinting environmental samples

...tantly the DNA clues were easy to find despite the vast numbers of different individual microbial species ... Very little is known about the microbes since the vast majority of them, some 99 percent, are resistant to being grown under standard laboratory conditions...

Scientists journey to southern Africa to unravel the secret world of elephant communication

...all bachelor herds." The search for a mate in this vast wilderness is further complicated by the elephant's reproductive biology. Females breed when they are in estrus--a brief period of ovulation that only occurs every two years and lasts just a few days. "Females in estrus make these very low, long cal...

First technology to remove prions that cause vCJD from blood launched

...ited States (US), Japan and Saudi Arabia, with the vast majority (155) in the UK. Since vCJD can be asymptomatic for about 10 to 16 years, there is no accurate way to determine how many people could currently be harboring the disease or the magnitude of future cases. Variant CJD is transmitted by eating c...

Agilent Technologies releases probe sequence, annotation information for all its commercial gene expression microarrays

... effects on biological systems, thereby creating a vast resource of gene expression responses to chemical toxicants. The data will eventually be made available through the NIEHS National Center of Toxicogenomics' Chemical Effects on Biological Systems (CEBS) database, currently under development. "The NI...

Virus-host interactions at sea effect global photosynthesis

... effects on biological systems, thereby creating a vast resource of gene expression responses to chemical toxicants. The data will eventually be made available through the NIEHS National Center of Toxicogenomics' Chemical Effects on Biological Systems (CEBS) database, currently under development. "The NI...

B-15A collides with Antarctic ice tongue

... effects on biological systems, thereby creating a vast resource of gene expression responses to chemical toxicants. The data will eventually be made available through the NIEHS National Center of Toxicogenomics' Chemical Effects on Biological Systems (CEBS) database, currently under development. "The NI...

Biochemists report discovery of structure of major piece of telomerase; implications for cancer

...f healthy cells in our bodies, it is active in the vast majority of cancer cells, Feigon said. Because cancer cells divide rapidly, their telomeres should get shorter more quickly than normal cells. However, because cancer cells have high levels of telomerase activity, which rebuilds the telomeres, cance...

Doctors closer to using gene analysis to help trauma patients

...cording to UF Genetics Institute scientists. “The vast majority of patients who experience severe trauma or burn injuries actually do well,?said Lyle Moldawer, a surgery professor in UF’s College of Medicine. “They’re resuscitated at the scene, taken to the hospital, have an uneventful recovery and they’...

To sea or not to sea: When it comes to salmon sex, size sometimes doesn't matter

...ological puzzles among Pacific salmon, of whom the vast majority ?but not all ?travel thousands of miles to sea and back to the streams where they hatched. There are chinook salmon populations in Idaho in which an occasional male stays put and matures when only 6 inches long ?that is, he's able to fertil...

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