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Tag: "doubt" at biology news

Researchers demonstrate way to control tree height

...s a very interesting accomplishment and there’s no doubt it could be made to work,” said Steven Strauss, a professor of forest science at OSU. “But further development may be precluded by social, legal and regulatory obstacles,” he said. “Clearly there would be concerns whether the market for specialty ...

Turn-ons and turn-offs for neurons

...ost also expressed in neurons, there is now little doubt that neurons respond to challenging environments by adjusting the expression of genes for appropriate brain functions. Stress, addiction, learning and disease are all believed to change neuronal gene expression by mechanisms involving gene accessibil...

DOE JGI sets 'gold standard' for metagenomic data analysis

...omparisons of these tools. Their findings will no doubt have a very significant impact on the field of metagenomics in general. It will help groups like mine to choose efficient strategies for the development of automated methods for high-throughput metagenome analysis. And last, but not least, it will st...

Discovery of new cave millipedes casts light on Arizona cave ecology

...aves [on the BLM Arizona Strip lands], there is no doubt that there is more to find. The research we have conducted here is just the tip of the proverbial iceberg," he said. He added that this also means more work for resource managers, who will now have to pay much closer attention to the use and conse...

Whiteflies and plant viruses can help each other to speed up biological invasion

...d 2-13 times that on healthy plants in 56 days. No doubt increase of infectious whiteflies will in turn speed up virus pandemics. In contrast, the indigenous whitefly performed similarly on healthy and virus-infected plants. "This is the first study that shows an invasive insect has such a mutualistic ...

Row over study puts Korea's scientific community under scrutiny again

...al." Professor Kim's intervention leaves little doubt about how seriously the CHA group views the potential of the incident to damage its bid to inherit Hwang's crown, says Gornall. Before his fall from grace, Professor Hwang received the bulk of Korean government funding in stem cell research. But, in ...

Penn researchers replace organ in adult mice using 'single-parent' stem cells

... genetic disorders. "There was considerable doubt that uniparental stem cells would work since the lack a balanced set of chromosomes from both parents would interfere with the natural outcomes of genomic imprinting," McLaughlin said. "It turns out that genomic imprinting may be more a concern for ...

'The eyes have it' -- Autism research yields surprising results

...ildren and adults. But the latest findings cast doubt on this hypothesis. A study at The University of Nottingham found that autistic children were able to interpret mental states when looking at animated facial expressions. The findings also suggest that the use of moving images, rather than convention...

Single molecule extends fat mice lives by reversing gene pathways associated with disease in obese

...es that control our longevity," says Sinclair, "No doubt many more remain to be discovered in coming years." ...

A buffet for early human relatives

...iet ?survived and evolved. The new study casts doubt on that theory by showing that Paranthropus, like Homo, also consumed a variety of foods. "Thus, other biological, social or cultural differences may be needed to explain the different fates of Homo and Paranthropus," the scientists conclude. ...

Ocean seep mollusks may share evolutionary history with other deep-sea creatures

...e calculated by the Science researchers casts some doubt on another mystery involving seep animals: what is their relationship to whale falls? Whale falls, the slowly decaying remains of large whales sunk to the ocean's depths, harbor yet another unique chemical community similar to that in vents and seeps...

PLoS ONE is launched by the Public Library of Science

...t, and the applications of this technology will no doubt hold some surprises. The beta version5 of PLoS ONE that is launched today is a work-in-progress. It is presented in beta because PLoS wishes the community to help shape PLoS ONE, and the underlying publishing platform, into its most valuable form. ...

'Killer' B cells demonstrate evolutionary link between fish and mammal immune systems

...estructive to fish populations." There is little doubt that, despite the behavioral differences, the fish B cells represent a less advanced version of mammalian B cells. Sunyer found the very cellular structures that medical science has used to define B cells in humans to be present in fish B cells, whi...

Scientists identify 36 genes, 100 neuropeptides in honey bee brains

...rticular developmental stages. Future work will no doubt find and confirm more of the brain's peptides. "The potential of our blended technology approach to facilitate discovery of these peptides is not only significant for advancing honey bee research," the researchers wrote, "it demonstrates promise fo...

Biotech cotton provides same yield with fewer pesticides

...we see is that it's positive here in Arizona -- no doubt about it," said Yves Carrière, an associate professor of entomology at The University of Arizona in Tucson. "We've reduced pesticide use in Arizona. We've wanted to do that for 25 years." Bt cotton has been genetically altered to produce Bt toxin, a...

What controls stickiness of 'smart' chromosomal glue

...e, critical process of cohesin loss. "There are no doubt other mechanisms at work in cohesin loss, but at this point we don't know what they are," she said. She theorized, however, that regulation of the cohesin-snipping enzyme separase plays a role in regulating step-wise cohesin loss; she and her colleag...

Diabetes hits 275 Australians each day as pandemic spreads

...were active. Professor Zimmet said, "There is no doubt that diabetes and its associated problems of heart disease, strokes, amputations and kidney failure will have a profound impact on Australia's future health budgets. "What we have done is to quantify the risks. We now have hard data which give our F...

Tyrannosaur survivorship -- tough times for teens

...s helped map out the animal's life span and thrown doubt on long-held theories about how one species lived, says new research conducted in part at the University of Alberta. "One of the surprises to me was that the overall pattern of survivorship fits closer to an attritional model rather than the catast...

New roles for growth factors: Enticing nerve cells to muscles

...ify the enticing substance failed, many started to doubt its existence. After screening numerous candidates, the Pfaff team found not only that FGF is expressed in target muscle, but that FGF "sensors," known as FGF receptors, are expressed in MMCm motor neurons. Furthermore, MMCm axons could not "hear" ...

Tiny airborne particles are a major cause of climate change

...of kilometers away from their sources. There is no doubt that aerosols do play a role, but the skeptics believe it is negligible compared to meteorological key players such as temperature, pressure, the amount of water vapor in the air, and wind strength. What Koren needed was a way to separate meteorolo...

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