Tag: "chain" at biology news
Global warming will reduce ocean productivity, marine life
...at forms the basis for the rest of the marine food chain
- is tightly linked to climate change, and would be reduced by global warming. The study, published this week in the journal Nature by researchers from Oregon State University and five other institutions, found that on a global scale, a w...
Newts which regrow their hearts
...s typical of heart muscle cells - the heavy myosin chain
and various troponins - were dramatically down-regulated in this process. At the same time, the cells embark on massive cell division to build up new heart muscle. It takes around two weeks for the heart function to be restored in the newt. The data ...
ACS News Service Weekly PressPac -- Nov. 29, 2006
...ls and sharks being the others) that produce heavy chain
antibodies, from which so-called single domain antibodies (sdAbs) can be isolated by genetic engineering. These antibodies are tougher and more durable than the antibodies now used in medical tests and biosensors. Single domain antibodies do not need...
New approach to BSE successful in lab
...o becoming diseased. The result is an irresistible chain
reaction. The malformed prion proteins can be depo... PrP-Scr of its ability to spread" In this way the chain
reaction would be interrupted. New therapeutic approach Scientists from Munichs Ludwig Maximilia...
Nobel Laureate finds 'elegant' explanation for DNA transcribing enzyme's high fidelity
... the enzyme. Those interactions leave another side chain
in the trigger loop precisely positioned, such tha...ical bonds that link components of the growing RNA chain
together. If the NTP is even slightly misaligned, Kornberg said, those critical interactions fail. ...
Safer method for large-scale malaria screening developed
...ria Research Institute. The test uses polymerase chain
reaction (PCR), a technique for duplicating and then examining unique bits of DNA from a sample, thereby allowing DNA to be multiplied in the laboratory. The same PCR technique is used for examining malaria in blood, but has never been applied to uri...
...modern genetic material," says Krishnamurthy. Many chain
molecules are able to adopt a suitable spatial structure, but only a few bases can enter into the necessary specific pairing. In this, our alternative bases are clearly inferior to the usual WatsonCrick bases. "Based on our observations, we are begin...
Fires in far northern forests to have cooling, not warming, effect
...implies that scientists need to look at the entire chain
of events in a plan to manage climate effects using ecosystems before concluding how the plan will contribute to, or offset, a warming effect. "What we're showing," Schuur said, "is that if you are going to manage an ecosystem to have an effect on ...
Scientists find new way to manipulate DNA
...ciences. The paper, "Universal scaling for polymer chain
scission in turbulence," defines which flow forces and at what levels those forces cause polymers to break in turbulence. "This paper understands how they are breaking in a new way that resolves some issues that have been present for 40 years," S...
Dad inspired 'Jurassic Park,' son inspires 'Jurassic Poop'
...0s -- particularly the invention of the polymerase chain
reaction (PCR) to duplicate and thereby identify DNA fragments -- Hendrik's benefited from medical advances. The technique used to extract DNA from coprolites uses a chemical developed for the treatment of diabetes-related complications. "After bei...
Silver bullet: UGA researchers use laser, nanotechnology to rapidly detect viruses
... must be confirmed with a test known as polymerase chain
reaction (PCR), which detects the virus itself by copying it many times. The test can take anywhere from several days to two weeks. Tripp said the latter is clearly too long, especially in light of emerging threats such as H5N1 avian influenza. "Fo...
Researchers identify cells that make relapse inevitable in acute lymphoblastic leukemia
...s, highly sensitive clone-specific PCR [polymerase chain
reaction] revealed that these 'relapse' clones had been present in small numbers at the time of diagnosis, indicating that they were involved in the mechanism of relapse. "My research indicates that these are not different leukaemias, but a smaller...
Common cause of heart disease, diabetes may be treatable with malaria drug
... is easing symptoms. In contrast, the surprising chain
of connections that led to the possibility of usin...tailed sense for how the drug may be helping. That chain
starts with a link between insulin and a protein known as ATM. Normally involved in the response to ...
UC given $1 million to develop skin cancer prevention treatment
...lready reduced alpha-MSH from its original peptide chain
of 13 amino acids to a chain
of only four amino acids. They hope to make the chain
even smaller, and consequently more effective ...
New species and new records of marine species discovered in NW Hawaiian Islands
...cropora coral discovered last month further up the chain
at Lisianski. Managers from the three co-trustee agencies responsible for management of the Northwestern Hawaiian Islands Marine National Monument were also enthusiastic about the results from the expedition, and their application to management of...
Key molecular signaling switch involved in allergic disease identified
...entified a key enzyme responsible for triggering a chain
of events that results in allergic reaction, according to new study findings published online this week in Nature Immunology. The work by researchers from Virginia Commonwealth University, the Hospital for Special Surgery and Weill Cornell Medical C...
Scientists develop new treatments for Alzheimer's disease
...ase. The research team has used a family of long chain
sugars called Heparan Sulphates (HS), found on nearly every cell of the body, to produce a new compound that can prevent the formation of clumps of small proteins that form in the brain. These clumps or 'plaques' disrupt the normal function of cells...
Scientists find major susceptibility gene for Crohn's disease
...he IL-23 inflammatory pathway that result from the chain
of events initiated by this particular genetic variant." Members of the consortium are attempting to tease out the specific downstream effects of this protective polymorphism. Yet, because IL-23 plays an important role in activating inflammation, i...
Scientists find a key to immune system's ability to remember
...ection or vaccination, Lck initiates a biochemical chain
of events that vastly increases the number of T cells that march off to combat the invader. After the infection subsides, the number of T cells marshaled to fight that agent decreases dramatically. But a smaller subset, known as "memory" cells, reta...
Age-related changes in DNA repair illuminate the connection between age and genetic damage
... of a variety of tissue types. Breaks in the DNA chain
have a variety of causes and occur frequently in the course of natural cellular processes. Repairing such breaks is an essential but hazardous process, often leaving missing or added bases at the point of repair. Cells possess a variety of methods fo...
1 2 3 4 5 6 7 8 9 10