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Tag: "link" at biology news

DNA Molecules Used To Assemble Nanoparticles

...ts, drugs, and contrast agents, and the ability to link them together quickly and easily in many different ways would enable a clinic to offer 25 different "flavors" of dendrimer with only ten synthesis steps, Baker said. Baker foresees a nanoparticle cluster in which a single dendrimer carries three sin...

Controversial drug shown to act on brain protein to cut alcohol use

...alcohol consumption in rats, we have established a link between GDNFand reversal of addiction -- knowledge...se alcohol craving in the rats, suggestinga direct link between Ibogaine's desirable actions and GDNF."If we can alter the GDNF pathway, we may well have a ...

Plants respond similarly to signals from friends, enemies

...f the paper. "Nematodes have not only found a weak link in plants but may be using the very same bacterial machinery against it." The study started as a graduate research project of Ravisha R. Weerasinghe, the lead author of the paper, in the lab of Dr. Nina Allen, professor of botany and co-author of th...

Ecological destruction fuels emerging diseases

...x multi-host life cycles. "It's very difficult to link these things up," he says. "It's very time consuming to do that, but without that information we don't know how these parasites are transmitted." And without basic systematics and taxonomic information about parasites, Dr. Brooks points out that we ...

Bacteria collection sheds light on urinary tract infections

...e’s Gastroenteric Disease Center. Previously, this link was not established, she noted. Senior author, Dr. Lee W. Riley, University of California-Berkeley, found that E.coli strains isolated from patients with UTIs were genetically related to E.coli strains from cows that were in the collection of strain...

Clam embryo study shows pollutant mixture adversely affects nerve cell development

...l rate of autismspectrum disorder and explored its link to bromoform, chloroform, andtetrachloroethylene in Brick's water supply--it got her thinking. "Myhypothesis was this: While it had been proven that individually thechemicals don't impact nerve cell development, the combination of allthree might pose...

Study identifies predictors of HIV drug resistance in patients beginning triple therapy

...l rate of autismspectrum disorder and explored its link to bromoform, chloroform, andtetrachloroethylene in Brick's water supply--it got her thinking. "Myhypothesis was this: While it had been proven that individually thechemicals don't impact nerve cell development, the combination of allthree might pose...

New Clues Add 40,000 Years to Age of Human Species

...s that helped differentiate layers of sediment and link the currently dry region to its moister climates of the past. But, precisely dating the outcrops required volcanic minerals with elements that undergo radioactive decay. Brown and McDougall collected rocks containing volcanic debris, which McDougal...

Amino acids in nectar enhance butterfly fecundity: A long awaited link

...hese results provide the long missing evolutionary link between costly nectar amino acid production by plants, nectar preferences of and fitness benefits to butterflies. This article by Jovanne Mevi-Schütz and Andreas Erhardt will appear in the April 2005 issue of The American Naturalist. ...

Jumping gene helps explain immune system's abilities

...amilies of jumping genes, Hermes is the first real link between thetwo processes," says Craig. "It also is likely to be a good model tofigure out what's happening early on in V(D)J recombination."Understanding how Hermes and other jumping genes work also holds cluesto fighting bacterial infections, improv...

UCSD Discovery Shows How Embryonic Stem Cells Perform 'Quality Control' Inspections

...amilies of jumping genes, Hermes is the first real link between thetwo processes," says Craig. "It also is likely to be a good model tofigure out what's happening early on in V(D)J recombination."Understanding how Hermes and other jumping genes work also holds cluesto fighting bacterial infections, improv...

New therapy for HIV/AIDS eliminates needles and excessive toxicity

...amilies of jumping genes, Hermes is the first real link between thetwo processes," says Craig. "It also is likely to be a good model tofigure out what's happening early on in V(D)J recombination."Understanding how Hermes and other jumping genes work also holds cluesto fighting bacterial infections, improv...

Gene sequencing explains bioremediation 'bug'

...amilies of jumping genes, Hermes is the first real link between thetwo processes," says Craig. "It also is likely to be a good model tofigure out what's happening early on in V(D)J recombination."Understanding how Hermes and other jumping genes work also holds cluesto fighting bacterial infections, improv...

Study of genomic DNA leads to new advances in cancer diagnostics

...isrupting any of three cytoskeletal systems, which link the outside of the cell to the genome. Using this information, Dr. Maniotis's group developed a new kind of extracellular matrix chip (patent pending) that is being used to study drug-resistance mechanisms to develop new protocols and methods to trea...

Carnegie Mellon scientists develop tool that uses MRI to visualize gene expression in living animals

...or gene expression in many tissue types. You could link this MRI reporter gene to any other gene of interest, including therapeutic genes for diseases like cancer and arthritis, to detect where and when they are being expressed," Ahrens said. Existing methods used to image gene expression have limitation...

Applied Biosystems Introduces Advanced Gene Expression Service Provider Program

...tein Classification System, a Service Provider web link on the Applied Biosystems Web site, and on-site seminars to educate customers to help provide increased business opportunities. “Under the program, organizations offering gene expression analysis services can now offer their clients a complete gene ...

Harnessing microbes, one by one, to build a better nanoworld

...tein Classification System, a Service Provider web link on the Applied Biosystems Web site, and on-site seminars to educate customers to help provide increased business opportunities. “Under the program, organizations offering gene expression analysis services can now offer their clients a complete gene ...

Opposing fat metabolism pathways triggered by a single gene

...d receptors (PPARs). Further investigation of this link may lead to better understanding of the functions of PPARs and provide opportunities for altering their function for treatment of fat metabolism disorders such as diabetes and obesity. ### Citation: Van Gilst MR, Hadjivassiliou H, Jolly A, Yamamoto...

Rats infected as newborns grew up vulnerable to memory problems during an immune challenge

...e ability to learn and remember, possibly via some link (says Bilbo) to cytokine IL-1BETA production. ...

NASA links nanobacteria to kidney stones and other diseases

...vides additional clues to understanding NB and its link to pathologic calcification-related diseases. "Hopefully, eradication or treatment of these diseases will be possible in the near future. We need more research and support to solve this puzzle, but we feel that we are close," adds Ciftcioglu. NB wa...

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