Parasites Current Events | Parasites News | 3
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Leishmaniasis parasites evade death by exploiting the immune response to sand fly bites
Cutaneous leishmaniasis, a disease characterized by painful skin ulcers, occurs when the parasite Leishmania major, or a related species, is transmitted to a mammalian host by the bite of an infected sand fly. view more (2008-08-15)
When Hosts Go Extinct, What Happens to Their Parasites?
Hands wring and teeth gnash over the loss of endangered species like the panda or the polar bear. But what happens to the parasites hosted by endangered species? view more (2009-06-02)
Parasitic worms make sex worthwhile
The coevolutionary struggle between a New Zealand snail and its worm parasite makes sex advantageous for the snail, whose females favor asexual reproduction in the absence of parasites, say Indiana University Bloomington and Swiss Federal Institute of Technology biologists in this week's Current Biology. view more (2009-07-24)
Gene expands malaria's invasion options
The malaria parasite Plasmodium falciparum uses different pathways to invade red blood cells, evading the body's immune system and complicating efforts to create effective vaccines against the disease. view more (2005-08-26)
Nutrients cause increase in parasites and frog deformities
Extra and missing-legged frogs have become increasingly common in North American wetlands over the last decade. Research implicates a flatworm parasite, Ribeiroia ondatrae, as the culprit of these deformities. Reasons for the apparent increase in infection and malformations, however, have remained a mystery. In the July issue of Ecology Letters,... view more... (2004-06-10)
Study shows parasites outweigh predators
In a study of free-living and parasitic species in three estuaries on the Pacific coast of California and Baja California, a team of researchers from the University of California, Santa Barbara, the United States Geological Survey, and Princeton University has determined that parasite biomass in those habitats exceeds that of top predators, in... view more... (2008-07-24)
Food choices and location influence California sea otter exposure to disease
Sea otters living along the central California coast risk higher exposure to disease-causing parasites as a consequence of the food they eat and where they feed. view more (2009-01-20)
Discovery of key malaria proteins could mean sticky end for parasite
Scientists funded by the Wellcome Trust have identified a key mechanism that enables malaria-infected red blood cells to stick to the walls of blood vessels and avoid being destroyed by the body's immune system. The research, published today in the journal Cell, highlights an important potential new target for anti-malarial drugs. view more (2008-07-10)
Old Stain in a New Combination
New combinations of agents based on the oldest synthetic malaria drug, the methylene blue stain, can curb the spread of malaria parasites and make a significant contribution to the long-term eradication called for by the international "Roll Back Malaria Initiative." view more (2009-05-21)
Can interacting pathogens explain disease patterns?
A new study into the way in which parasites interact with each other could help predict when infectious diseases are likely to break out. view more (2007-12-13)
The results are in: Bacterial parasite strives for balance in host infection
When horror-movie writers run out of ideas, they can always turn to parasites. Imagine the possibilities with flesh-eating bacteria, suicide-inducing hairworms, scalp burrowing botflies—and castrating parasites. view more (2006-05-30)
The tapeworm contraceptive
A tapeworm may be the unlikely source of a new contraceptive - 100% effective in either sex! Despite intensive research, scientists have so far failed to find the perfect contraceptive for women - let alone men. However, a study in freshwater fish of the carp family has found a parasite, Ligula intestinalis, that makes the fish infertile. The... view more... (2002-12-04)
Rectal artemisinins rapidly eliminate malarial parasites
Artemisinin-based suppositories can help 'buy time' for malaria patients who face a delay in accessing effective, injectable antimalarials, according to research published in the online open access journal BMC Infectious Diseases. view more (2008-03-28)
MBL study shows how good cholesterol (HDLs) provide human immunity to certain parasites
For years biomedical researchers have known that high density lipoproteins, commonly called HDLs or "good cholesterol," are responsible for protecting humans from certain parasites, but couldn't explain how. view more (2005-10-31)
Malaria experts to unveil top-flight research during international conference at The University of Nottingham
Some of the world's leading authorities on tropical diseases and parasitic infections will gather for an international conference at The University of Nottingham to discuss the latest breakthroughs in research and treatments. view more (2005-02-03)
Gut worms may protect against house-dust mite allergy
A study conducted in Vietnam has added further weight to the view that parasitic gut worms, such as hookworm, could help in the prevention and treatment of asthma and other allergies. view more (2009-09-29)
Monarch butterflies help explain why parasites harm hosts
It's a paradox that has confounded evolutionary biologists since Charles Darwin published On the Origin of Species in 1859: Since parasites depend on their hosts for survival, why do they harm them? view more (2008-05-15)
Combination Drug Therapy Offers Hope For Malaria Treatment (pp 3, 9, 18)
Two articles and a Commentary in this week's issue highlight how combination therapy offers the best hope for tackling drug resistance for the millions of people worldwide affected by malaria. Drug resistance is the main barrier to effective malaria treatment. Artemisinin (extract of sweet wormwood , commonly used in Chinese herbal medicine) and... view more... (2003-12-30)
Vaccine royalties to Institute for Animal Health pass £1M mark
Collaborative research into the parasitic disease coccidiosis in chickens has so far brought over £1m in royalties to the Institute for Animal Health (IAH) from sales of Paracox vaccines. The Paracox vaccines have now become the biggest selling live attenuated vaccines ever against protozoan parasites. This money will be used to support... view more... (2003-06-17)
Scientists decode genome of parasite that causes relapsing malaria
Scientists have deciphered the complete genetic sequence of the parasite Plasmodium vivax, the leading cause of relapsing malaria, and compared it with the genomes of other species of malaria parasites. view more (2008-10-09)
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