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Tag: "adding" at biology news

Loss of a universal tRNA feature reported

...result implies that tRNA recognition by the enzyme adding histidine to tRNA differs considerably from similar enzymes in other organisms. We have indeed been able to detect an impact on particular regions of the histidyl-tRNA synthetase that are critical for recognizing tRNA." The researchers used bio...

Analysis of rhesus monkey genome uncovers genetic differences with humans, chimps

...paring rhesus to human, than chimp to human. By adding the rhesus genome to the primate comparison, researchers identified nearly 200 genes likely to be key players in determining differences among primate species. These include genes involved in hair formation, immune response, membrane proteins and spe...

Reading hidden intentions in the human brain

...Specifically, subjects were free to choose between adding or subtracting two numbers and were asked to hold in mind their intention until numbers were presented on a screen, along with a choice of outcomes (one of which was correct for the addition choice, one correct for the subtraction choice). Subjects t...

Wired for sound: How the brain senses visual illusions

...tely after hearing the second sound," said Mishra, adding that the second sound amplified the brain activity stimulated by the first sound. Perception of the second illusory flash was also marked by a rapid enhancement of processing in the auditory cortex of the brain. By observing the auditory boost, the...

Biologists develop large gene dataset for rice plant

...lay an important role in gene regulation, he said, adding that deficiencies in small RNA production can have a profound effect on development. "Small RNAs also have been associated with other important biological processes, such as responses to stress," Meyers said. "Many of small RNAs in rice have relat...

Yale biologists 'trick' viruses into extinction

...s might arise naturally, or could be engineered by adding viral binding sites to cells that disallow virus reproduction," said senior author Turner. "We proved the concept using a non-human virus, and variants of the bacteria cells it infects." In ecology, a habitat that supports population growth is te...

Darwin's famous finches and Venter's marine microbes

...even been seen before," says Zhai and adds that by adding the diverse GOS data to known profiles, "we were able to make them more sensitive and diverse, and so increase their power to categorize novel sequences." Diversity of microbial kinases In a separate study, Manning, Zhai, and first author Nat...

New biofuels process promises to meet all US transportation needs

...methods for producing liquid fuels from biomass by adding hydrogen from a "carbon-free" energy source, such as solar or nuclear power, during a step called gasification. Adding hydrogen during this step suppresses the formation of carbon dioxide and increases the efficiency of the process, making it possibl...

Lost dogs found more often than lost cats, study suggests

...it longer to call and visit a shelter," said Lord, adding that cat owners waited about three days before con...it longer to call and visit a shelter," said Lord, adding that cat owners waited about three days before contacting a local animal shelter, while dog owners w...

Twin studies reveal genetic components leading to cardiac and kidney disease

...t leaking ‘good?cells or proteins," said O’Connor, adding that how well these filters work appears to be a heritable factor. Albumin leaks are an indication that the permeability of these filters has increased, allowing leakage of good molecules with the bad. This trait is linked to a heightened risk o...

Scientists create dual-modality microbeads to improve identification of disease biomarkers

...ads. This allows the beads to be functionalized by adding antibodies or DNA molecules to the surface that wi... be added to the beads. "Adding them is as easy as adding the nanoparticles into the solution. You just have to make sure the nanoparticle surface is hydropho...

Custom-made cancer cell attacks

...oing to do to make that happen,'' Somerville said, adding that it will take seven to 10 years to produce cellulosic ethanol at competitive prices. ''It is certainly possible to achieve Bush's goals technically,'' he said. ''The question in my mind is whether investors are ready to put up the money requir...

Cellulosic ethanol: Fuel of the future?

...oing to do to make that happen,'' Somerville said, adding that it will take seven to 10 years to produce cellulosic ethanol at competitive prices. ''It is certainly possible to achieve Bush's goals technically,'' he said. ''The question in my mind is whether investors are ready to put up the money requir...

Statin plus cancer drug deliver combo punch to brain cancer cells

...sed in tandem in medulloblastoma cells, they tried adding hedgehog-blocking cyclopamine to the cells and found that Bcl-2 production dwindled and tumor cells died off. Lead author and pathology fellow Eli E. Bar, Ph.D., said he was "surprised by the degree to which the drug combination was so effective....

Twenty of world's 162 grouper species threatened with extinction

...extinction threat, and the new assessment proposes adding 12 more. A panel of 20 experts from 10 nations determined the extinction threat facing groupers, which are the basis of the multimillion-dollar live reef food fish trade based in Hong Kong and comprise one of the most valuable groups of commercial f...

Can engineered immune cells stop AIDS?

...chers want to reprogram these bone marrow cells by adding genes that will instruct the cells to produce rare antibodies such as B12, 4E10, 2G12 and 2F5. Wang says these antibodies are known to neutralize the virus. "In laboratory tests, we remove harmful genes coding for the HIV virus and engineer the ...

Speeding 'fingertip' discovery -- 20 years of protein info in 1 place

...entify nearly all chemical changes nature makes by adding phosphate to proteins manufactured in human cells. The Hopkins team then added its list of these so-called phosphorylation events to lists compiled by others and created a publicly available database on the Web - PhosphoMotif Finder [ http://www.h...

Inhibiting blood to save the brain

...o clotting wouldn't be impacted," said Akassoglou, adding that this potential MS therapy might also have applications to other blood-brain barrier diseases where blood leakage and microglia activation is present such as spinal cord injury, Alzheimer's disease or stroke. ...

Tears reveal some of their deepest secrets to researchers

...nd in the maintenance of tear film," said Nichols, adding that researchers don't fully understand the function of oleamide, or the other lipids in the meibum. "Oleamide appears to be a predominate lipid in tear film," she said. "It's there for a reason, but we're not sure yet what that reason is." Nic...

New evidence of 'human' culture among primates

...prized example of primates using stone technology, adding to the archaeological record of primate behaviour. Most items used by primates in cases where they may be exhibiting socially-learned skills are perishable. The simple example of percussive stone technology uncovered by Dr Moura adds to other type...

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