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Tag: "try" at biology news

Plankton can run, but can't hide from basking sharks

... Zooplankton have evolved a range of behaviours to try and avoid being eaten, sometimes staying at greater depths during the day and then feeding near the surface at night but at other times reversing this behaviour in an attempt to throw some of their predators (eg fish larvae and predatory invertebrate...

Study casts doubt on 'Snowball Earth' theory

...ntry, with influencing her thinking. "They really try to synthesize between geology and biology. It was a new way to attack the problem." Corsetti agrees. "The climate of collaboration between geologists and biologists," he said, "is unusually good at USC ?it was this way of thinking that provided the ...

Engineered molecule amplifies body's immune response

...ashington University School of Medicine decided to try to improve the body's defense against infection without causing side effects that occur with interferon treatment by engineering a hyper-responsive Stat1 molecule. By increasing the efficiency of the Stat1 molecule, the host could have the benefits o...

Cultural norms not unique to human societies

... attentively and proved successful when allowed to try the task on their own. The third group, which did not have the benefit of a local expert and was left to decipher the task on its own, was unsuccessful in retrieving food from the Pan-pipes. "This study demonstrates apes do copy members of their own...

Brain size may depend upon how neural cells are cleaved

...s been discovered, said Tsai, further studies will try to pinpoint how its signaling determines the orientation of spindles during mitosis, and thus the orientation of cell cleavage. "While this is basic research, we do know that this mechanism is very important in determining the ultimate size of the b...

Researchers identify genes associated with lung transplant rejection

...curring, we can adjust the patient's medication to try and prevent it. But the problem with lung transplants is that it's hard to detect chronic rejection." Currently, he says, OB is best detected through a breathing test--but by the time the disease has a perceptible impact on the patient's ability to b...

Several minute intermediate stage in virus-cell fusion discovered; opportunity for drug development

...t docking on a space station," said Young. "If you try to open the inner door before the pressures have equalized, you can tease it open a little bit but it keeps closing on you until there's enough pressure in the airlock to allow it to open all the way." Melikyan explained, "The pore is an unstable st...

Secret sex life of killer fungus?

...cause it may affect the way researchers study--and try to control--disease associated with the fungus. The team, headed by Paul Dyer at the University of Nottingham (UK), with lead researchers Mathieu Paoletti (University of Nottingham, UK) and Carla Rydholm (Duke University, USA), used a number of tech...

Gaining ground in the race against antibiotic resistance

...arms race' with infectious bacteria, as scientists try to develop new antibiotics faster than the bacteria can evolve new resistance strategies. But now, researchers have a new strategy that may give them a leg up in the race -- reproducing in the lab the natural evolution of the bacterial enzymes that ...

Toxic flood lifts lid on common urban pollution problem

...gical cycle, it is far more economical than if you try to take it out of the water after the fact," he said. ...

New understanding of jet lag

...ipulation of the light cycles, forcing the body to try to rapidly adjust to abrupt light cycle shifts. This sudden disruption in the normal pattern can compromise the normal function of organs. The result often is sleeplessness or sleepiness, reduced alertness, indigestion, fatigue and possibly ulcers. ...

Scientists create digital bacteria to forge advances in biomedical research

...terrorism attack is one example. "You can actually try to simulate dangerous experiments," said Cluzel, an Assistant Professor in Physics. "For instance, if you mix a pathogenic strain with a friendly strain, which one is going to win, and with what kind of speed?" ...

Single gene is genetic switch for fly sexual behavior

...ression. "I think it is going to be fascinating to try to figure out how a fly decides between 'love' and 'war', and what fruitless and the fruitless-expressing neurons have do to with this," he says. Ebru Demir and Barry J. Dickson: "fruitless Splicing Specifies Male Courtship Behavior in Drosophila" C...

Aquatic plants may hold key to advancing plant disease management

...isease control. While plant pathologists typically try to save plants from plant disease, plant pathologists can use plant pathogens as a means to control highly invasive freshwater plants that harm native aquatic plants. Studies of marine plant diseases continue to provide insight as to how climatic cha...

Scavenger cells could be key to treating HIV-related dementia

...s and describe how the virus changes over time and try to understand why this particular damage happens" But these results are just a first step, Salemi said. The team is now analyzing brains from 10 people, some who died with HIV-associated dementia and others who did not. The well-known cocktail of a...

Drugs from the deep blue

...l chemistry and make the compound in the lab, then try to find the simplest structure with the same properties. This work can pull in techniques from different areas of chemistry and biochemistry, but the pathways used to make these products naturally are far too complex to reproduce with current genetic...

Genetic link confirmed between Polynesians and indigenous Taiwanese

...olving mitochondrial DNA (mtDNA) have been used to try and determine whether there is a link between Polynesians and other Southeast Asian populations by estimating how much mtDNA different populations have in common. Early results were conflicting or inconclusive; however, the research by Trejaut et al....

High-Throughput GoMiner

...olving mitochondrial DNA (mtDNA) have been used to try and determine whether there is a link between Polynesians and other Southeast Asian populations by estimating how much mtDNA different populations have in common. Early results were conflicting or inconclusive; however, the research by Trejaut et al....

DDT-resistant insects have additional genetic advantage that helps resistance spread

...ance to newer compounds subsequently introduced to try and overcome resistance. The World Health Organization estimates that during the period of DDT use, approximately 25 million human lives have been saved. Today pyrethroids are most commonly used in mosquito control but they act on the same target in...

UT Southwestern researchers discover master switch in cell death

...s are now examining tissue from cancer patients to try to determine how mutations in the enzyme’s gene may relate to cancer. “We think this gene will really be a hot spot in research,?said Dr. Qing Zhong, postdoctoral researcher in biochemistry at UT Southwestern and lead author of a paper to be publish...

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