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Tag: "was" at biology news

Small, self-controlled planes combine plant pathology and engineering

...y to exist in a cavern in Arizona,” he said. “What was that bacterium doing 100 meters above Kentland Farm" In many of our other samples, we have found organisms that have never been cultured before. Some of these microbes may thrive only in the atmosphere, and many of them may be new to science.” Thi...

Microbes at work cleaning up the environment

...tion in metal-sulfide nanoparticles. The answer was yes in both cases. “This demonstrates an extra...Wisconsin. The team found that organic nitrogen was highly concentrated in all of the zinc-sulfide aggregates, indicating a high protein or polypeptide ...

Nurtured chimps rake it in

...made of flimsy cloth (non-functional). The reward was placed in front of the rigid side of one rake, and in front of the flimsy side of the second rake. The animals who picked the rake with the food reward on the rigid side demonstrated that they understood the causal principles behind the functionalit...

New findings challenge established views on human genome

...mpletion of the Human Genome Project in April 2003 was a major achievement, but the sequencing of the gen...ed by modifications in histones. “Teamwork was essential to the success of this effort. No single experimental approach can be used to identify all...

Penn researchers link cell's protein recycling systems

...e flies a drug called rapamycin, neurodegeneration was prevented.” The accumulated misfolded proteins wer...ted in. In the process of screening, our attention was drawn to HDAC6 because we already knew that it could bind to ubiquitin-tagged proteins and transport...

Herpes virus hijacks DNA repair process

...at murine herpes virus, rather than the host cell, was triggering the DNA damage response. She showed tha...with murine herpes virus, its ability to reproduce was again curtailed. How DNA damage response benefits viral replication is still a mystery and a topic ...

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

... the brain, according to a new study. The research was funded by the National Institute on Aging (NIA), p... had dementia. Upon death, a neuropathologist, who was unaware of the results of the clinical evaluation, analyzed each person’s brain. The autopsies showe...

Risk of stroke doubles if diagnosed with Type 2 diabetes

...to new research from the University of Alberta. It was found that the risk of a stroke is considered high...ion of a similar age, the relative risk for stroke was much greater in younger persons with diabetes than for older persons. As it has been more commo...

Plastic that grows on trees

...cose conversion created so many impurities that it was simpler to start with the fructose, less common in...ered that a particular metal — chromium chloride — was by far the most effective at converting glucose to HMF with few impurities and, as such reactions go...

454 sequencing identifies HIV drug resistance at early stage

...hool of Medicine and the VA CT Health Care System, was a blinded-retrospective analysis of 258 blood samp...h the patient outcomes, to which 454 Life Sciences was blinded. “454 Sequencing can instantly generate hundreds of thousands of long clonal sequence re...

Exploring the dark matter of the genome

...in regions of chromosomes known as heterochromatin was called "junk." Like dark matter in the universe, the true nature of heterochromatin was unknown. Now members of the Drosophila Heterochromatin Genome Project (DHGP), headed by Gary Karpe...

In nature, proteins sweep up nanoparticles

... team analyzed a biofilm rich in zinc sulfide that was collected from the water-filled mine. The sulfide is a metabolic waste product of bacteria that thrive in the oxygen-free mine. Once the sulfide is released into the watery environment, it readily combines with metals, in this case zinc, to form nano...

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

...sus 0 percent). In addition, at eight weeks, there was an extensive remodeling of the MDSC-seeded polymer by surrounding tissue, exhibiting tissue formation that is consistent with a mature artery. According to Dr. Vorp, these findings in a rat demonstrate the feasibility of developing MDSC-seeded tis...

Marine phytoplankton changes form to protect itself from different predators

...a Tech’s marine lab in Savannah, Ga., the research was sponsored by the U.S. National Science Foundation ...hat made them largely immune to whichever predator was attacking, and this shift suppressed either the feeding or growth and reproduction of the consumer t...

Staphylococcus aureus hides out in cells

...sing infections even years after the first episode was apparently cured. “S. aureus intracellular survival appears related to its capability to adopt a discrete behaviour instead of actively duplicating,” says Patrice Francois, a Geneva-based member of the research team. “S. aureus then benefits from ...

Potent possibilities for parasite attack

...s - the degree of similarity between these species was unexpected," explained Professor Deborah Smith, collaborator on this project at the University of York. "Perhaps only a few parasite genes are important in determining which type of disease develops after infection and the host genome plays a major r...

Clot-dissolving agent may be beneficial in treatment of severe frostbite

...ow] and reduction in rates of amputations when tPA was administered within 24 hours of frostbite injury, we anticipate the continued use of tPA in patients who are admitted to our institution with acute frostbite,” the authors write. “Candidates for this therapy are patients who present with severe frost...

UCF nanoparticle offers promise for treating glaucoma

... In their paper on the research, which was also supported by the National Science Foundation, Seal and Mallik note the results are “very promising” and that their nanoparticle configuration offers seemingly limitless possibilities as a non-toxic drug delivery tool....

Researchers demonstrate way to control tree height

...e field site. The manipulation of height growth was achieved by insertion of certain genes, mostly taken from the model plant Arabidopsis, which inhibited the action of a class of plant-specific hormones known as gibberellic acids. These compounds are also used as sprays to control the size and fruiti...

Blood-brain barrier breached by new therapeutic strategy

...the strip, called a small interfering RNA (siRNA), was shown to protect mice from infection caused by the Japanese encephalitis virus (JEV). Manjunath N. Swamy, M.D., of the CBR Institute for Biomedical Research and Harvard Medical School in Boston, and his colleagues used JEV to infect the brains of m...

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