U of M study finds new insight on therapy for a devastating parasitic disease
MINNEAPOLIS / ST. PAUL (June 23, 2009) University of Minnesota Medical School researchers have discovered an important new insight into how a commonly prescribed drug may work to treat those infected by a parasitic
The Schistosomasis parasite infects about 200 million ...
New CU-Boulder study shows diversity decreases chances of parasitic disease
A new University of Colorado at Boulder study showing that American toads who pal around with gray tree frogs reduce their chances of parasitic
infections known to cause limb malformations has strong implications for the benefits of biodiversity on emerging wildlife diseases.
The experiments sh...
Diversity among parasitic wasps is even greater than suspected
A tiny wasp that lays its eggs under the skin of unwitting caterpillars belongs to one of the most diverse groups of insects on Earth. Now researchers report that its diversity is even higher than previously thought.
(To see an audio slide show on the research, please go to: http://publicaffai...
A bee's future as queen or worker may rest with parasitic fly
Strange things are happening in the lowland tropical forests of Panama and Costa Rica. A tiny parasitic
fly is affecting the social behavior of a nocturnal bee, helping to determine which individuals become queens and which become workers.
The finding by researchers from the University of Was...
Publication offers labs consensus recommendations for diagnosing parasitic diseases
ASM Press announces the latest addition to its Cumulative Techniques and Procedures in Clinical Microbiology (Cumitechs) publication series: Cumitech 46 -- Laboratory Procedures for Diagnosis of Blood-Borne Parasitic
This Cumitech is intended to provide guidance to the laboratory pe...
Virginia Tech plant scientist leads study on genomics of parasitic plants
Blacksburg, Va., Three types of parasitic
plants, each exhibiting a different degree to which it needs its host, are the subject of a three-year, $1.5 million study at Virginia Tech to catalog genes essential to parasitism. Funded by the National Science Foundation (NSF) Plant Genome Program, th...
Poor Americans in the United States suffer hidden burden of parasitic and other neglected diseases
Large numbers of the poorest Americans living in the United States are suffering from some of the same parasitic
infections that affect the poor in Africa, Asia, and Latin America, says the Editor-in-Chief of PLoS Neglected Tropical Diseases.
In an article entitled Poverty and Neglected Disease...
Common parasitic infection leads to increased risk for HIV infection
A new study shows a significantly increased risk of HIV infection among women with a common sexually transmitted disease, trichomoniasis. Although studies have been undertaken in the past to show the link between sexually transmitted infections and susceptibility to HIV, the study published in the ...
For crickets, parasitic flies can stop the music
Love hurts ?really bad, for some unlucky crickets, anyway.
Male crickets draw not only females with their songs but also parasitic
flies. The uninvited guests then deposit larvae that burrow into their amorous hosts, grow for about a week and then tear their way out in "Alien" fashion, killing th...
Researchers add crucial information on how the body's T cells react to parasitic diseases
In the 1980s, the phrase "T cell count" burst into the world's medical vocabulary as thousands and then millions of patients died of AIDS. The public began to understand the crucial importance of T cells--cellular Pac-Men that roam the bloodstream gobbling up infection and guarding against future a...
Worm hormone discovery may aid fight against parasitic disease
New research at UT Southwestern Medical Center shows that on a biochemical level, hormone-like molecules in tiny worms called nematodes work similarly to the way in which certain hormones work in humans ?findings that one day may help eradicate worm infections that afflict a third of the world's po...
Yale researchers identify molecule for detecting parasitic infection in humans
Researchers at Yale, in collaboration with NIH researchers, have identified a specific protein molecule that is used by the immune system for detection of parasitic
infections, leading the way for development of future vaccines to combat these infections.
Published in the April 28 issue of Scienc...
Bizarre walking bat has ancient heritage
...d seeking out fruit, nectar and pollen.
It also appears to have evolved a special relationship as a pollinator for the Hades flower, or woodrose, a parasitic
plant that produces nectar from blooms near ground level at the base of tree trunks.
Among other unusual traits, the bat is thought to use its teet...
Discovery to aid in future treatments of third-world parasites
...ted tropical diseases, is caused by infection with parasitic
helminths of the genus Schistosoma . These parasi...2" immune response mounted against infections with parasitic
worms, interleukin-4 (IL-4).
While it was pre... Th2 responses commonly elicited by infection with parasitic
Ultimately, these novel insights will h...
Computers aid in cracking deception in plants
...ational research to the study of molecular mimicry in an important plant pathogen, the soybean cyst nematode.
The soybean cyst nematode is a small parasitic
roundworm that infects the roots of a soybean plant. As part of its modus operandi, the nematode secretes proteins into the soybean that change the pl...
Immune genes adapt to parasites
...e alongside humans. The data suggests that having lots of different parasites around has shaped the evolution of our interleukin genes.
In general, parasitic
worms appear to have had a more powerful influence on certain interleukin genes than smaller microbes such as viruses, bacteria, and fungi. That isn'...
DNA barcoding of mosquito species deployed in bid to end elephantiasis
...e battle against LF, an often disfiguring disease that today threatens 1 billion people across roughly 80 countries. Over 120 million people have the parasitic
infection and more than 40 million have been permanently disabled or disfigured.
The research is identifying species spreading the worm larvae that...
Locking parasites in host cell could be new way to fight malaria
... people. In collaboration with the laboratory of Penn biologist David Roos, PhD, the work was broadened to include Toxoplasma gondii , which causes a parasitic
disease called toxoplasmosis, the leading cause of birth defects worldwide and harmful to people with compromised immune systems. The CDC estimates mo...
Reversing ecology reveals ancient environments
... From hair color to the ancestral line of parasitic
bacteria, scientists can glean a lot from genes. But imagine if genes also revealed where you lived or who you spent time with. It turns out they do, ...
Reduction in parasite infections ahead for India
... Experts from Queen's University are in India today (Monday) to advise the country on how it can reduce parasitic
infections which destroy plants and animals.
The biotechonology experts from the Belfast-based University are at the forefront of research into the...
Malaria parasite zeroes in on molecule to enhance its survival, team finds
... its survival, the researchers said.
Scientists are interested in studying the metabolism of P. falciparum to understand how organisms adapt to a parasitic
lifestyle. Understanding this is important because many of the drugs used to treat malaria successfully in the past have targeted some aspect of the p...
Biodiversity itself begets a species cascade, researchers say
...flies became genetically different from the parent hawthorn fly, so did the parasitic
wasps that prey on the flies' larvae.
Apples have grown in the New World...s outnumber all other life forms and that one-fifth of all insects could be parasitic
wasps. The conclusion, they wrote, is that "there is a world of opportunity...
Host shift triggers cascading effect on ecosystem, research finds
...ascading effect on the ecosystem.
Forbes and his colleagues found that a parasitic
wasp ( Diachasma alloeum ) that attacks the apple maggot ( Rhagoletis pomon...), which later leave the fruit to pupate and overwinter in the soil.
wasp D. alloeum lays its eggs directly into the larva of the apple maggot...
Researchers observe evolution chain reaction
...America almost 400 years ago ultimately may have changed the behavior of a fruit fly, leading to its modification and the subsequent modification of a parasitic
wasp that feeds on it.
The result is a chain reaction of biodiversity where the modification of one species triggers the sequential modification of...
New paper offers key insights into how new species emerge
...e of, which, in turn, can lead to a chain reaction of ever more new species."
In the paper, Forbes, Powell, Feder and colleagues demonstrate that the parasitic
wasp Diachasma alloeum is evolving into a new incipient species as a result of specializing on the Rhagoletis fruit flies that they attack. These Rhag...
Brain structure assists in immune response, according to Penn vet study
...t time, a team of researchers at the University of Pennsylvania School of Veterinary Medicine have imaged in real time the body's immune response to a parasitic
infection in the brain.
The findings provide unexpected insights into how immune cells are regulated in the brain and have implications for treatme...
How Toxoplasma gondii gets noticed
...in Bethesda use T. gondii infections in mice to study how portions of the parasitic
proteins escape the vesicle in a process known as cross-presentation. They...elle normally involved in presenting pathogens to T cellsallowing a swap of parasitic
Lab test for allergy scoops national
...halant allergens that could cause an allergic reaction in a patient and the researchers are hoping it could also be developed as a diagnostic tool for parasitic
It works by adding tiny dots of allergen molecules to paper on a glass slide. A drop of the patient's blood is added before the slide i...
Flies may reveal evolutionary step to live birth
Early hatching offers advantages, the authors say. Mobile larvae can burrow into the ground to avoid becoming inadvertent hosts to the eggs of parasitic
insects or a predator's meal. But harboring offspring for a longer period of time costs the female.
The opportunity to take that risk may come with...
Fish choose their leaders by consensus
...omething about the health or fitness of the individual. For instance, a plump belly can indicate success in food gathering, while spots may indicate a parasitic
He then ran trials in which one, two, four, or eight sticklebacks had to choose between two replica fish, one of which had been shown to...
Clemson researchers advance nano-scale electromechanical sensors
...s Malcolm Skove, who discovered that measuring the resonant frequency of a cantilever at the second or higher harmonies would get rid of the so-called parasitic
capacitance, an unwanted background that obscures the signal and has been a major stumbling block to the advancement of similar technology.
ASU researchers receive NIH awards for studies of malaria and emergent disease
...based in Bangladesh with an accessory field site in Indonesia for this work.
Prior to joining ASU, Escalante was a researcher with the Division of parasitic
Diseases at the Center for Disease Control and Prevention in Atlanta, where he still maintains strong ties. His research has had global implications, ...
Scripps Florida scientists awarded $1.5M to fight major water and food parasites
...th parasites have developed resistance to antibiotic treatment, setting off alarm bells within the health care community.
"Because of the rise in parasitic
resistance, the development of more effective treatments has become even more critical, especially if we want to prevent future outbreaks," Roush said...
Boost from McGill, Gates Foundation helps Africans control pharma research
...maceutical industry doesn't do very much work on diseases of the poor, like parasitic
infections," said Dr. Timothy Geary, of McGill's Institute of Parasitology....ese organisms have been modified to produce proteins normally only found in parasitic
worms, making them an ideal laboratory test-bed for potential antiparasitic...
RNA molecules, delivery system improve vaccine responses, effectiveness
...ays Roy, who holds the General Dynamics Endowed Faculty Fellowship.
Physicians want to tailor the immune response because, Singh says, vaccines for parasitic
infections may need more of an antibody response, while vaccines for viral infections need more of a cellular response, one that kills the infected ce...
Wielding microbe against microbe, beetle defends its food source
...espread. In the 1990s, he was the first to discover that a fungus-farming ant, the leaf-cutter, used an actinomycete to protect its fungal crop from a parasitic
mold. That got him thinking about the importance of parasites and disease in the evolution of all organisms, and how these pressures may have led many...
Kazak apple research key to preventing blue mold
...sorbs a moldy odor and flavor.
In a survey of the New York market from 1972 to 1984, blue mold caused by Penicillium expansum was the most damaging parasitic
postharvest disease of apples. Documented losses from blue mold and other postharvest diseases have focused on the fate of apples in storage, in trans...
Worm genome offers clues to evolution of parasitism
...dead beetles may provide clues to the evolution of parasitic
worms, including those that infect humans, say sci...ses, and others that also have been found in plant parasitic
nematodes. The genome supports the theory that P. pacificus might be a precursor to parasitic
Scientists estimate there are tens of ...
NC State researchers get to root of parasite genome
...elp lead to a new generation of eco-friendly tools to manage the ubiquitous parasitic
worm, which, along with other species of root-knot nematode, causes an esti...equence, Opperman says. "In combination with an extensive database of plant parasitic
nematode expressed genes from a previous project led by our Center for the ...
NSF, NIH award Ecology of Infectious Disease grants
...tal events -- such as climate change, habitat destruction, biological invasions, pollution and a variety of interventions -- alter the risks of viral, parasitic
and bacterial diseases in humans and animals.
"Ecological studies of infectious diseases are beginning to move from basic science to translational ...