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Tag: "the" at biology news

Penn researchers link cell's protein recycling systems

...teins accumulating in nerve cells, suggesting that the cell’s normal disposal mechanisms are not operating correctly. Now, researchers at the University of Pennsylvania School of Medicine have discovered a molecular link between the cell’s tw...

Bacteria ferry nanoparticles into cells for early diagnosis, treatment

...ll to precisely position sensors, drugs or DNA for the early diagnosis and treatment of various diseases....ial way to overcome hurdles in delivering cargo to the interiors of cells, where they could be used as an alterative technology for gene therapy, said Rash...

Herpes virus hijacks DNA repair process

June 13, 2007 -- Scientists probing the details of viral infection have discovered an intr...py their genetic material prior to dividing. In the murine (or mouse-infecting) herpes virus they studied, researchers at Washington University School o...

Study finds mix of disease processes at work in brains of most people with dementia

...f having clinical signs of dementia increases with the number of different disease processes present in the brain, according to a new study. The research was funded by the National Institute on Aging (NIA), p...

Risk of stroke doubles if diagnosed with Type 2 diabetes

...duals diagnosed with Type 2 diabetes are at double the risk of having a stroke compared to those without diabetes, according to new research from the University of Alberta. It was found that the risk of a stroke is considered high within the first fi...

Plastic that grows on trees

Scientists have discovered the most effective method yet to convert glucose, foun...e from petroleum. It has been an elusive goal for the legion of chemists trying to pull it off: Replace crude oil as the root source for plastic, fuels an...

454 sequencing identifies HIV drug resistance at early stage

454 Life Sciences, a member of the Roche group, and a Yale School of Medicine researcher today announced that they have used the company’s Genome Sequencer™ system to identify previously undetectable rare drug resistant HIV varia...

Exploring the dark matter of the genome

Not so long ago, the difficult-to-sequence, highly repetitive, gene-poo...rochromatin was called "junk." Like dark matter in the universe, the true nature of heterochromatin was unknown. Now members of the Drosophila Heterochro...

In nature, proteins sweep up nanoparticles

...in, scientists from several institutions including the U.S. Department of Energy’s Lawrence Berkeley Nati...face metal toxins. The research, which appears in the June 15, 2007 issue of the journal Science, reveals that the proteins travel far from the microbes t...

University of Pittsburgh School of Medicine researchers develop 'off-the-shelf' vascular grafts

...esults of their study, which is being presented at the Tissue Engineering and Regenerative Medicine Inter...merica Chapter meeting being held June 13 to 16 at the Westin Harbor Castle conference center in Toronto, has potentially significant implications for the ...

Cancer stem cells similar to normal stem cells can thwart anti-cancer agents

...r therapies often succeed at initially eliminating the bulk of the disease, including all rapidly proliferating cells, but are eventually thwarted because they cannot ...

Marine phytoplankton changes form to protect itself from different predators

...ny single-celled organism that plays a key role in the carbon cycle of cold-water oceans may be a lot sma...ts had suspected. In a paper published June 11 in the online version of Proceedings of the National Academy of Sciences, researchers report the first evid...

Warning from Asian bees

...bees found in Cairns have been cleared of carrying the dreaded Varroa destructor mite but the intruders themselves could pose the beginning of a serious threat to Australian honey bee population...

Staphylococcus aureus hides out in cells

...fections, Staphylococcus aureus bacteria may evade the immune system’s defences and dodge antibiotics by ...then lying low to avoid detection. New research in the online open access journal BMC Genomics shows how S. aureus makes itself at home in human lung cells...

Research finds that circadian rhythms dominate all life functions

...research from Colorado State University shows that the function of all genes in mammals is based on circa... in PLoS Computational Biology on June 15, refutes the current theory that only 10 percent to 15 percent of all genes were affected by nature's clock. Whil...

Potent possibilities for parasite attack

...o biology, that will provide a framework to target the search for new treatments. Leishmaniasis is a deva...illion people each year and threatens one-fifth of the world's population and new treatments are desperately needed. In their report in Nature Genetics, ...

Runners -- Let thirst be your guide

...ey actually need to drink in order to replace just the body fluids lost during exercising, the researchers say. A group of experts in this condition has issued a number of papers and recommend...

Gene responsible for common hearing loss identified for first time

A gene responsible for the single most common cause of hearing loss among white adults, otosclerosis, has been identified for the first time, a scientist told the annual conference of the European Society of Human Genetics in Nice...

The kapok connection -- Study explains rainforest similarities

...es and cultivated for its wood and cottony fibers, the kapok tree now is upsetting an idea that biologists have clung to for decades: the notion that African and South American rainforests are similar because the continents were connected...

Mutating the entire genome

...ped by University of Utah geneticists. They tested the method by mutating a gene involved in bone formati...n, resulting in short, malformed tail and limbs in the mutant mouse on the left, compared with the skeleton of a normal mouse on the right. The new method ...

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