Tag: "way" at biology news

Rutgers-Newark scientist: Mosquitoes may carry lethal parasite

...to dining on your arm or leg, and you'll go a long way to protecting yourself from a potentially lethal parasitic micro-organism that may be in the mosquito, and is especially dangerous to those with weakened immune systems. A study by Rutgers-Newark biology professor Ann Cali and others published in the...

Joslin Diabetes Center launches research section on developmental and stem cell biology

...the Joslin research community continue to lead the way in the important area of stem cell research," says Joslin President C. Ronald Kahn, M.D. "The potential benefits of stem cells on type 1 diabetes make it vital to focus efforts with a new section." Potential Benefits of Stem Cells Many scientists ...

Brain's reward circuitry revealed in procrastinating primates

...rd learning. To find out, the researchers needed a way to temporarily knock it out of action. Molecular geneticist Ginns, who recently moved from NIMH to the University of Massachusetts, adapted an approach originally used in mice. He fashioned an agent (DNA antisense expression construct) that, when i...

The telomere crisis: A crucial stage in breast cancer

...l DNA replication processes don't copy DNA all the way out to the ends of the chromosomes. This erodes th... "because we can't look at the same tissue all the way through the crisis." Therefore the researchers compared the assumed sequence of events in tissue wi...

Excess levels of nitrogen, phosphorus linked to deformed frogs

...ated more deformed frogs through eutrophication by way of a series of complex interactions in the pond food web," Chase said. "Add habitat destruction to all of these other concerns and there's no question that humans are messing up frogs left and right."...

Despite darkness, nocturnal bees learn visual landmarks while foraging at night

...cate a favoured patch of flowers and to find their way back to their hive. Researchers have now found that nocturnal bees can do the same thing, despite experiencing light intensities that are more than 100 million times dimmer than daylight. The new findings, reported by a team led by Eric Warrant of th...

Evolvability could be a driving force in drug resistance

...ng the DNA chain are now understood to be only one way that organisms evolve. Mutations also occur based on genetic recombination, genetic transposition and horizontal gene transfer. With these mechanisms, relatively large chunks of genetic code are shuffled or substituted for one another along the DNA c...

Biologists deciphering complex lemur scent language

...he control of presenting the scent in a controlled way to a specific individual," said Drea." For example, she said, the scents can be presented so they can only be smelled, or both smelled and tasted — which might be an important olfactory communication pathway. The researchers already know from th...

Coordinating power of circadian rhythms keeps estrus and pregnancy on track

...hese experiments increase the understanding of the way complex physiology can be regulated by circadian rhythms. More broadly, the findings have implications for human infertility; it has been shown that women who work swing-shifts are more susceptible than normal to irregular menstrual cycles and miscar...

You are what you eat: New insight into autophagy

...sophila fat body stores nutrients in much the same way that the liver and fat tissue do in mammals. Starvation and inhibition of PI3K or TOR induced autophagy in the Drosophila fat body. "While the molecular machinery of autophagy is largely conserved from yeast to mammals, the control of autophagy in mu...

Scientist who discovered Sly syndrome finds new research path to explore for treating the disease

...s discovery, researchers had assumed that the only way to get enzyme into the brain was to build some kind of delivery system which could cross the blood-brain barrier. "But this research shows that the blood-brain barrier already has its own delivery system. Unfortunately, it shuts down when you reach a...

New hypoxic event found off Oregon coast

...tal ecosystem off Oregon seems to be changing in a way we have never seen." Scientific data to document the changing ocean conditions only goes back a few decades at best. But anecdotal evidence from regional fisherman and other coastal residents also suggests that events such as the one that occurred in...

New prostate cancer gene identified

...enomics Research Institute (TGen) have found a new way to speed the discovery of genes that suppress tumors, and in the process identified a gene that appears to be important in prostate cancer. The findings appeared today in the journal Nature Genetics . The gene, not previously known to be a tumor su...

LBP-1a gene mutation linked to disruption of normal fetal development

...tor is a protein that activates a gene and in this way regulates a specific process. The study found that mouse embryos lacking the LBP-1a gene were normal during the first 9 days of development, a time during which they survive by exchanging gases, nutrients and toxic breakdown products of food with t...

Viral proteins may prevent bacterial infections

.... Bacterial viruses, or bacteriophage, worm their way into bacterial cells, copy themselves and then, as an exit strategy, produce enzymes that quickly destroy the bacterial cell wall, killing the bacteria and releasing the viral offspring. "These are highly evolved enzymes that work efficiently and ra...

Travelers' diarrhea not improved by restricted diet

...ify who might benefit from such a diet." The best way to cure travelers' diarrhea is to seek antibiotic treatment, said Dr. DuPont, and to keep eating so that the diarrhea bout isn't prolonged. "The intestinal tract has been injured," he said. "It needs to grow back and needs to be provided with calorie...

Fundamental change to Immunology 101

...ce for early progenitor cell populations. The only way to resolve the exact cell type was to correctly id...sers, detecting which cells fluoresce in a certain way based on a prescribed molecular tag. The suspected early progenitors (HSCs, MPPs, and CLPs) had know...

Method to visualize gene activity may provide insight into normal development & genome function

... through a separate channel," explains Bier. "That way if the light is 90 percent blue and ten percent ye...with the UCSD researchers. Developing an effective way to attach the fluorescent molecule to the RNAs complementary to the gene transcripts, and perfecting...

Bad news for pathogenic bacteria: Scientists find protein essential for bacterial survival

...onary state by controlling ppGpp levels may be the way to circumvent the rise in antibiotic resistance. "ppGpp and DksA are found in all bacteria, including harmful ones," she continued. "Using ppGpp-based compounds to shut down gene expression in harmful bacteria could help curb the spread of infect...

Oldest evidence for processing of wild cereals: starch grains from barley, wheat, on grinding stone

...ts that dough may have been baked in much the same way that modern nomadic tribes in the region still prepare seed cakes. Grinding and baking cereal grains was an important nutritional advancement, making carbohydrates more readily available for uptake into the bloodstream. Grinding stones like the one f...

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(Date:4/16/2014)... A team that includes scientists from the School ... Center at San Antonio, Johns Hopkins University and St. ... helps a common fungus to infect the body. , ... infections, diaper rashes and oral thrush, and is the ... also cause a life-threatening infection of the blood called ...
(Date:4/15/2014)... CORVALLIS, Ore. Handling frozen fish caused nearly half ... quarter of the injuries on freezer-longliner vessels operating off ... University shows. , Many of those injuries and others ... with the right interventions, and the research methods used ... and fatalities in other types of commercial fishing, said ...
(Date:4/14/2014)... made in chemotherapy over the past decade, but targeting ... to be a major challenge. , Nanotechnology has ... use of nanocarriers, or capsules, that can transport cargoes ... , The catch? These carriers are tiny, and it ... from 10 nanometers to 100 nanometers, and the drugs ...
(Date:4/14/2014)... Penicillin, one of the scientific marvels of the 20th ... once won against bacterial infections. But scientists at the ... approach to restoring its combat effectiveness, even against so-called ... power of the penicillin family of drugs since their ... example, the staph infection, brought about by the bacterium ...
(Date:4/14/2014)... 2014 Popular web information on colorectal cancer is ... doesn,t address the appropriate risks to and concerns of ... suggests. , In a review of a dozen popular ... colorectal cancer screening were written beyond the recommended sixth-grade ... address key risks, as well as the barriers to ...
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