Tag: "display" at biology news

Scientists sequence genome of kind of organism central to biosphere's carbon cycle

...ty of life on our planet," Armbrust says. "Diatoms display features traditionally thought to be restricted to animals and other features thought to be restricted to plants. Diatoms, with complete disregard for these presumed boundaries, have mixed and matched different attributes to create an incredibly succ...

UCI scientists successfully target key HIV protein; breakthrough may lead to new drug therapies

...islodge the protein. This is the first time phage display has been used to identify molecules that disrupt protein-protein interactions. (For more detail, see "About the Research.") While the method was successful, Weiss said the molecules identified proved toxic to cells. He is now seeking to develop less ...

Researchers create nanotubes that change colors, form 'nanocarpet' and kill bacteria

...ver, unlike other nanotube structures, these tubes display sensitivity to different agents by changing color and can be trained to kill bacteria, such as E. coli, with just a jab to its cell membrane. How a mere single-step synthesis of a hydrocarbon and a simple salt compound produced these unique nanotube...

Operation Dangling Dino

...m for the public to enjoy (the skull is already on display at the Utah Museum of Natural History). WHERE: Northeast of Henrieville, Utah, near Highway 12 in The Blues area, south of Powell Point. WHEN: The airlift will take place on Sept. 29 at 8 a.m. MDT. The early time schedule will allow crews ...

Loss of the neuronal adhesion protein d-catenin leads to severe cognitive dysfunction

...at UCLA show that mice with deletions of d-catenin display severe learning and memory deficits and thereby establish a causal link between deletions of d-catenin and cognitive dysfunction. This finding is particularly interesting because other adhesion proteins can be found in the brain, but only d-catenin i...

Two Virginia Tech energy-related inventions win R&D 100 awards

...hose original sensors will be part of the center's display at the R&D 100 exposition at the Navy Pier in Chicago Oct. 14. The oil well sensor were monitored in real time from computers at Virginia Tech, demonstrating the potential for remote monitoring of data from multiple well sites throughout the worl...

Serotonin metabolites in mollusks suggest pathways for human therapies

...ifornia coast. Like Aplysia, Pleurobranchaea also display learning and memory behaviors influenced by serotonin. "Serotonin is a major factor in organizing the behavior of Pleurobranchaea, particularly for feeding," Gillette said. "Some potential prey have dangerous, stinging defenses. In a single encoun...

Breaking new ground in germ cell guidance

... migration normally, and that their deaths did not display a significant increase in the molecular activity most commonly associated with programmed cell death activation of apoptosis mediator, caspase-3. Hanyu-Nakamura et al. pinpointed the site of the mutation to the locus for the guidance gene, wunen2 . ...

Common cold virus can cause polio in mice when injected into muscles

... entry. Following the injection, the mice began to display symptoms of polio, including an abnormal gait, dropfoot, and lower hind limb paresis. The researchers were left wondering how this intramuscular portal of entry could affect the virus's ability to access the types of cells normally infected by polio....

Mouse study shows NPAS3 and NPAS1 genes may be linked to psychosis

...ther genes on and off in brain cells. "These mice display certain deficits that are potentially consistent with schizophrenia," said Dr. Steven McKnight, chairman of biochemistry at UT Southwestern and senior author of the study that will appear in an upcoming issue of the Proceedings of the National Academ...

The future of HIV therapeutics is brightening, according to Gladstone Institutes Director

...re now launching a search for small molecules that display these properties. If these molecules can be identified and successfully developed into drugs, they would unleash potent antiviral effects of APOBEC3G, even in the presence of Vif. "HIV biologists agree that the Vif-APOBEC3G axis forms the single mos...

Gold quantum dots have applications in biological labeling, nanoscale optics

... that are water soluble, strongly fluorescent, and display discrete excitation and emission spectra that make them potentially very useful for biological labeling," said Robert Dickson, associate professor in the School of Chemistry and Biochemistry at the Georgia Institute of Technology. "Their potential a...

The first engineering of cell surfaces in living animals

...e cells manufacture these azide-bearing sugars and display them on their surfaces. With mice, Bertozzi's group injected the azide-containing precursor directly into the abdomen, where cells in the spleen and some other organs took it up. Later examination of spleen cells, which are rich in sialic-acid sugar...

New mechanism for display of foreign proteins to immune system

...e then displayed on the cell surface. Through this display the sentinel cell can then stimulate special immune cells called cytotoxic T lymphocytes to spring into action and battle the abnormal cells. One of the ways that sentinel cells accomplish crosspresentation has been described in detail. Antigens are ...

Scientists visualise cellular handmaiden that restores shape to proteins

...-organised shape allow normally hidden elements to display on the outside, making them appear hydrophobic. The chaperonin cap recognises the hydrophobicity and 'kicks' the out of shape protein in to the cage for some protein folding therapy. The folding changes in the cavity are driven by the cell's energy...

Got the time?

...ristwatch, however, there is no visible readout or display showing an individual's body time, a lack which ha...s has provided proof of principle that just such a display of individual body time may one day possible. The report, published in the August 3 issue of the Pr...

T. rex owes its giant size to the ultimate teenage growth spurt

...een known that large weight-bearing dinosaur bones display growth lines, but they are hard to read. This is due to the way these large bones form: their marrow cavity expands and changes shape as they grow, erasing some of the internal lines. This study, however, focuses on smaller, nonweight-bearing dinosau...

More aggressive breast cancer tumors found in African American women

...can women were more likely than those in whites to display tumor characteristics associated with poor prognosis. With few population-based studies having access to detailed patient information and tumor information assessed in a single laboratory using standardized methodology, Jones said confirmation of the...

Study shows how consensus is attained in a noisy world

...ey be social or biological in nature, is that they display organization without any external organizing principle being applied. "How did a consensus come about? Our computer model shows how social networks can substitute for central mechanisms in decision making," said Lus A. N. Amaral, associate professor...

Study: Mothers turn fearless when peptide level drops

...servations and the theories explaining why mothers display this behavior - commonly known as maternal aggression - very little research has investigated the biological mechanisms that turn on this trait in new mothers. "We've known for a long time that fear and anxiety decrease with lactation," exp...

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