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Stealth technology maintains fitness after sex
Pathogens can become superbugs without their even knowing it, research published today in Science shows. 'Stealth' plasmids-circular 'DNA parasites' of bacteria that can carry antibiotic-resistance genes-produce a protein that increases the chances of survival and spread of the antibiotic-resistant... view more (2007-01-12)

Early promising results in malaria vaccine trial in Mali
A small clinical trial conducted by an international team of researchers in Mali has found that a candidate malaria vaccine was safe and elicited strong immune responses in the 40 Malian adults who received it.   view more (2008-01-23)

UGA researchers discover how human body fights off African parasite
Trypanosoma are a nasty class of single-celled parasites that cause serious, even fatal, diseases in human and animals.   view more (2007-09-07)

Coral reef fish harbor an unexpectedly high biodiversity of parasites
IRD researchers showed that Epinephilus maculates, a fairly abundant species of grouper off New Caledonia, was parasitized by 12 species of microscopic monogenean worms.   view more (2007-09-06)

Mummy lice found in Peru may give new clues about human migration
Lice from 1,000-year-old mummies in Peru may unravel important clues about a different sort of passage: the migration patterns of America's earliest humans, a new University of Florida study suggests.   view more (2008-02-11)

Influenza vaccine causes weaker immune response for rural children
Researchers have found that vaccination against influenza strains seems to be more effective in a semi-urban population than in a rural population of schoolchildren in Gabon, Africa, according to an article in the Dec. 1 issue of The Journal of Infectious Diseases.   view more (2007-10-23)

Bizarre bug wears host's skin
Oxford scientists have discovered a particularly macabre method one parasite (Strepsiptera) has for disguising itself in its insect host: it wraps itself in a piece of the host's own body tissue. In this way the strepsipteran masquerades as 'self', and is protected from the insect's immune system.... view more (2003-06-03)

Malaria mechanism revealed
By determining the molecular structure of a protein that enables malaria parasites to invade red blood cells, researchers have uncovered valuable clues for rational antimalarial drug design and vaccine development.   view more (2005-07-29)

Study: Delaying evolution of drug resistance in malaria parasite possible
There's no magic bullet for wiping out malaria, but a new study offers strong support for a method that effectively delays the evolution of drug resistance in malaria parasites, a University of Florida researcher says.   view more (2008-09-05)

Extreme weather events can unleash a 'perfect storm' of infectious diseases, research study says
An international research team, including University of Minnesota researcher Craig Packer, has found the first clear example of how climate extremes, such as the increased frequency of droughts and floods expected with global warming, can create conditions in which diseases that are tolerated... view more (2008-06-25)

Worm parasite may hold clues in bid for illness and allergy cures
Tiny worms that can trick the body's natural defences could hold the key to new treatments for a range of conditions, including diabetes, asthma and hay fever.   view more (2005-11-08)

Study reveals classic symbiotic relationship between ants, bacteria
Ants that tend and harvest gardens of fungus have a secret weapon against the parasites that invade their crops: antibiotic-producing bacteria that the insects harbor on their bodies.   view more (2006-01-06)

Parasitic plants sniff out hosts
Parasitic plants do not haphazardly flail about looking for a host but sense volatile chemicals produced by other plants and identify potential hosts by their emissions.   view more (2006-09-29)

THE BIODIVERSITY OF FALLOW LAND:A FACTOR USEFUL FOR CONTROLLINGPLANT PARASITIC NEMATODES
Fallowing is a common practice for restoring soil fertility and structure in the tropics : it favours improvement in its physicochemical properties and the build-up of stores of organic matter, which are essential for the development of the telluric microfauna and microflora that inhabit soils.... view more (1999-09-13)

Genetic map offers new tool for malaria research
An international research team announced today the completion of a genome-wide map that charts the genetic variability of the human malaria parasite Plasmodium falciparum.   view more (2006-12-11)

A Jekyll and Hyde of cytokines: IL-25 both promotes and limits inflammatory diseases
The same signal responsible for promoting the type of immune responses that cause asthma and allergy can also limit the type of inflammation associated with debilitating diseases like inflammatory bowel disease, arthritis and multiple sclerosis.   view more (2006-04-10)

Logging changed ecological balance for monkeys, damaged health
Twenty-eight years after intense selective logging stopped in the region now known as Uganda's Kibale National Park, the red-tailed guenon (Cercophithecus ascanius) is a primate still in decline.   view more (2005-06-15)

Parasite genome sequences offer hope for new drugs and vaccines, Science studies say
Scientists have sequenced and compared the genomes of three of the parasites responsible for sleeping sickness, Chagas disease and leishmaniasis, three devastating diseases of the developing world.   view more (2005-07-15)

Bacterial Protein Shows Promise in Treating Intestinal Parasites
Scientists at the University of California, San Diego and Yale University have discovered that a natural protein produced by Bacillus thuringiensis, a bacterium sprayed on crops by organic farmers to reduce insect damage, is highly effective at treating hookworm infections in laboratory animals.   view more (2006-09-26)

Hopkins scientists link immune response to 'ghost' parasites and severely congested sinuses
Although it's unclear why it's so, scientists at Johns Hopkins have linked a gene that allows for the chemical breakdown of the tough, protective casing that houses insects and worms to the severe congestion and polyp formation typical of chronic sinusitis.   view more (2006-09-07)

Research exposes new target for malaria drugs
The malaria parasite has waged a successful guerrilla war against the human immune system for eons, but a study in this week's Journal of Biological Chemistry has exposed one of the tricks malaria uses to hide from the immune proteins, which may aid in future drug development.    view more (2008-08-05)

Genomics and world peace
Developing countries stand to profit most from advances in genome science, write Samuel Broder, Stephen Hoffman and Peter Hotez in this month`s issue of EMBO reports (EMBO reports September, 2002 pp 806-812). They claim that biotechnology coupled with genomics might emerge as the key technology in... view more (2002-08-29)

Potential reinforcing role of earthworm species in plant resistance to parasitic nematodes
Parasitic nematodes of plants are microscopic soil-inhabiting organisms. Although they are present in all crop-growing areas, whether in the tropics or under temperate climes, it is predominantly in the tropical regions that these parasites perpetrate extensive damage and crop-yield losses.... view more (2005-04-15)

HIV and malaria combine to adversely affect pregnant women and their infants
University of Toronto researchers have uncovered the basis by which pregnant women protect themselves against malaria and have also discovered how the HIV virus works to counteract this defence. The research could lead to improved vaccines for pregnant women in malaria-ravished regions.   view more (2007-05-30)

Certain combination therapy found more effective for treating malaria in African children
Ugandan children who received the combination therapy of artemether-lumefantrine experienced a lower rate of treatment failure compared to other combination therapies, according to a study in the May 23/30 issue of JAMA, a theme issue on malaria.   view more (2007-05-23)
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