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Tag: "surprised" at biology news

Agent slows aging in mice

...atory in Bar Harbor, Maine. The scientists were surprised to find so quickly that one agent showed promise: NDGA, a compound derived from creosote bushes. These common North American desert shrubs have been traditionally used by Native Americans as healing remedies. The preliminary results, to be publi...

New bacterium discovered -- related to cause of trench fever

... some of the microbes’ DNA sequences. She was surprised to find that one of the microbes that causes sever... its owner or an unlucky visitor. They were again surprised to find that this microbe is the second Bartonella species to cause infection in AIDS patients. ...

Weizmann Institute scientists develop a general 'control switch' for protein activity

...ivity was reduced. Says Prof. Liscovitch: “We were surprised by the effectiveness of the method – it turns out that a small set of engineered proteins is needed to find the ones that respond to the drug. With their greater resources, biotechnology companies will be able to create much larger sets of engineered...

Human genetic 'deserts' are teeming with significant life

...is for two complete human chromosomes. “I will be surprised if we do not find the same kind of variety in these structures”, he says. “Our work has shown that the human genome is far more complex than anyone could have imagined, even ten years ago. Understanding these complexities is essential to the deve...

Experimental gene therapy 'abolishes' arthritis pain and lessens joint damage

... in the study model. In addition, researchers were surprised to find that the therapy also brought about a nearly 35 percent reduction in permanent structural to joints caused by round and after round of osteoarthritic inflammation. To date, treatment of arthritis is dominated by drug treatments like non-st...

Madagascan tropical forests return thanks to better management and well-defined ownership

...ch more complex than previously thought. "We were surprised to find the highest deforestation rates in an area... of satellite images and vegetation on the ground, surprised the team of scientists from Sweden and the University of Antananarivo in Madagascar. As a result, th...

Peramivir protects mice from lethal H5N1 infection

...viral Research in Palm Springs, Calif. "We were surprised to see a 40 percent survival rate among mice after just a single dose of peramivir," said Elena A. Govorkova, Ph.D., a scientific manager in the Infectious Diseases department at St. Jude. Govorkova is the paper’s senior author. "Our findings supp...

Maggots rid patients of MRSA

...he healthy tissue to heal. "Still, we were very surprised to see such a good result for MRSA. There is no reason this cannot be applied to many other areas of the body, except perhaps a large abdominal wound." Professor Boulton and his team, including senior nurse Ann Knowles, have used maggots to treat ...

Alien plants attack using 'resource conservation' as weapon, researchers say

... difference in the long term," Funk said. "We were surprised that the invasive plants were not at a disadvantage under conditions where resources were scarce." Knowing your foe These results have important implications for controlling invasive species, said Chris Field, professor of biological sciences...

Brain's white matter -- More 'talkative' than once thought

...in more ways than previously thought. “We were surprised to see these nerve axons talking to other cells in the white matter,?says Dwight Bergles, Ph.D., an associate professor of neuroscience at Hopkins. The discovery focuses on oligodendrocyte precursor cells (OPCs), whose main role when they mature i...

Researchers wake up viruses inside tumors to image and then destroy cancers

...pproved for use in multiple myeloma. "We were both surprised and lucky," he says. "Velcade is a proteasome inhibitor, but it also induces the lytic cycle thereby activating the TK in the Epstein-Barr virus. Once the TK is activated, we can image the tumors." To test their findings, the researchers used mic...

Changes in amino acids in the 1918 influenza virus cut transmission

... bound to only alpha-2,3. The researchers were surprised to discover that the ferrets infected with all three viruses, including the one with preference for binding to alpha2-3 sialic acids, experienced severe disease, with high levels of virus replication in the respiratory tract. However, only the virus...

'Marathon mice' elucidate little-known muscle type

...rt. Upon further examination, the researchers were surprised to find that the fibers showed a reduction in I, IIA, and IIB MHCs and as much as a 5-fold increase in IIX MHC. Nearly 100% of muscle fibers in the transgenic animals contained abundant MHC IIX mRNA and protein, they found, as compared to only 15...

Smithsonian scientists discover new marine species in eastern Pacific

...ough they expected to find new species, Collin was surprised by the sheer number of novel marine organisms. "It's hard to imagine, while snorkeling around a tropical island that's only a three-hour flight from the United States, that half the animals you see are unknown to science," Collin said. "Overwhelm...

Mimicking how the brain recognizes street scenes

...busy street scene. The researchers were pleasantly surprised at the power of this new approach. "People have been talking about computers imitating the brain for a long time," said Poggio, who is also the Eugene McDermott Professor in the Department of Brain and Cognitive Sciences and the co-director of th...

New mechanism for nutrient uptake discovered

...sporting nutrients individually, so we were really surprised to find that the pores simply can't act without stimulation from their neighbors." In earlier research the Carnegie scientists, with colleagues, identified the genes responsible for initiating nitrogen uptake in plants. That identification has hel...

Angelman syndrome deficits rescued in mice

...wed very low seizure susceptibility. Weeber was surprised by the robust results. "We thought we might rescue some of the deficits that we saw in the mouse model," he said. "We had no idea that we were going to rescue basically everything." Although impossible to apply the genetic engineering used in the ...

Scientists sequence genome of parasite responsible for common sexually transmitted infection

...netic blueprint for the parasite, researchers were surprised to find such a large and highly repetitive genome comprising nearly 26,000 predicted genes as determined by computer models and previously sequenced parasitic genomes. Repetitive genes accounted for roughly 65 percent of the genome. "Parasites gen...

What's in the water? Estrogenic activity documented in fish caught in Pittsburgh's rivers

...emicals and municipal water treatment plants. What surprised us most in this study was that these estrogenic materials are present in such easily detected levels in local fish." According to Dr. Volz, the next step in this research is to identify the estrogenic chemicals and their sources in the local wate...

Jefferson researchers' discovery may change thinking on how viruses invade the brain

...ently replicate in cells." The researchers were surprised by the finding. "The field in general has been focusing on this general dynein-LC8 protein interaction as key to viral transport," says co-author John Williams, Ph.D., assistant professor of biochemistry and molecular biology at Jefferson Medical Col...

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