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Tag: "capable" at biology news

UF researchers develop ways to keep the bloom on the rose

...ase a sense of individual well-being, and are even capable of increasing creative thought and output in workplace settings," Nell said. "If we can help make floral products last longer, their value to consumers will be greater." He expects that with improvements to rose quality and longevity, people will b...

USC, Rice to develop bacteria-powered fuel cells

...ully metabolize its food. "Since this organism is capable of passing electrons directly to solid metal oxides, it is not particularly surprising that it can do the same to the anode of the fuel cell, and since we are already in the business of understanding and optimizing the metal reduction capacity, it se...

Animals can change genes quickly to keep up with viral ingenuity

...that help to keep the viruses out, but viruses are capable of evolving new ways of breaking the codes extremely quickly. The new research shows that genes controlling a part of the immune system that fights viruses actually evolve much faster than almost all other genes, evidence of the host's evolutionary r...

Ticks, flukes, and genomics: Emerging pathogens revealed

...eria. Ehrlichiosis pathogens, for instance, appear capable of making vitamins that a host tick lacks in its regular diet. "This study is a beautiful example of how in-depth comparative genomics can lead to the identification of molecular features that underlie the lifestyle of pathogens," says TIGR molecul...

UCSD biologists find new evidence for one-way evolution

...e," Igic said. "Exactly why is unclear," Species capable of rejecting their own pollen in favor of pollen from other individuals, harbor more genetic variation than those that self-fertilize. "An intriguing aspect of this study is that the mechanism for ensuring cross-fertilization is very old, often lost...

Both alcoholism and chronic smoking can damage the brain's prefrontal cortex

...ng and closing the hand, while the new arm will be capable of about 20 different movements, including moving fingers independently, says Clark. Existing prosthetic arms typically are controlled by signals from an intact muscle, such as a shoulder shrug, so only one movement can occur at a time, he adds. "T...

University of Utah to help build bionic arm

...ng and closing the hand, while the new arm will be capable of about 20 different movements, including moving fingers independently, says Clark. Existing prosthetic arms typically are controlled by signals from an intact muscle, such as a shoulder shrug, so only one movement can occur at a time, he adds. "T...

Researchers use dirt to stay one step ahead of antibiotic resistance

...earchers' uncovered bacteria that produced enzymes capable of breaking down or modifying or rendering inactive two recently U.S. FDA-approved antibiotics, a situation which has yet to emerge clinically for these drugs. "The link between clinical and soil-associated resistance to vancomycin illustrates th...

Ahead of the game

.... "Each population was equally and independently capable of acquiring and exploiting critical information pertaining to animal availability and behavior," write the anthropologists, from the University of Connecticut, University of Haifa, Hebrew University, and Harvard University. The researchers use new ...

'Uniquely human' component of language found in gregarious birds

.... The experimenters then asked if the birds were capable of a key feature of human grammars. Could the star...e closely we understand what non-human animals are capable of," Gentner said, "the richer our world becomes. Fifty years ago, it was taboo to even talk about a...

Researchers reverse juvenile diabetes in animal model

...tsburgh School of Medicine. "The injections proved capable of stopping this vicious cycle, and through this process curing type 1 diabetes in a mouse." Until now, scientists weren't sure why the immune system attacks the beta cells, but the result is that the body stops producing insulin. When that happens,...

MIT chemist discovers secret behind nature's medicines

...he change in activity required for an enzyme to be capable of catalyzing a halogenation reaction is so radical that people thought there must be a really elaborate difference in their structures. But it's just a smaller amino acid change in the active site. Things are usually not this simple, but there's an ...

Infants can organise visual information at just four months

...indings mean that very young infants are much more capable of organising their visual world than psychologists had previously thought. The study also has implications for understanding certain developmental disorders such as Williams syndrome. The findings emerged from Economic and Social Research Council...

Frog’s ear canal may provide insights for understanding human hearing loss

... is the first non mammalian vertebrate found to be capable of producing and detecting ultrasounds for communi...ncies that most amphibians, reptiles and birds are capable of hearing and producing. Key parts of the ear must be specially adapted to detect ultrasounds -- na...

Infant transplant patients resist infections that kill adult AIDS patients

...erson has an estimated 1 billion different T cells capable of fighting various infections and another 1 billion of a different kind of immune system cell, the B cell, which produces antibodies. Yet, when the Mayo researchers looked at the immune system of infant heart transplant patients, they found that pos...

The reason why antiviral therapy can't annihilate HIV infection, and what to do about it

...istration of an effective and safe reagent that is capable of dampening cellular activation could minimize the spread of virions to uninfected bystander cells. ...

Performing monkeys in Asia carry viruses that could jump species to humans

...donesia are carrying several retroviruses that are capable of infecting people, according to a new study led by University of Washington researchers. The results indicate that contact with performing monkeys, which is common in many Asian countries, could represent a little-known path for viruses to jump the...

RNA splicing occurs in nerve-cell dendrites

...er the remaining exon pieces, resulting in an mRNA capable of being translated into a specific protein. The vast array of proteins within the human body arises in part from the many ways that mRNAs can be spliced and reconnected. Specifically, splicing removes pieces of intron and exon regions from the RN...

How E. coli bacterium generates simplicity from complexity

...combinations of these genes would theoretically be capable of generating a huge variety of internal states; however, researchers at UCSD will report in the Dec. 27 issue of Proceedings of the National Academy of Sciences (PNAS) that Escherichia coli doesn't gamble with its metabolism. In a surprise about E...

The brain is broadly wired for reproduction

...he main olfactory system, which humans do have, is capable of transmitting pheromone signals. Therefore, if there are human pheromones -- although no one has yet identified one -- they would presumably transmit their signals through the main olfactory pathway." Although the findings are considered a first s...

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