Two Parasitic Wasps Show Promise For Controlling Pest Flies
...ling the host from within. The egg hatches andthe parasite larva feeds on the dead fly's pupa before emerging as an adultabout a month later. Spalangia endius wasps, although rare or absent in similar studiesin Kansas and Nebraska, were common in southern Illinois. Because thesewasps already are reared a...Lethal Parasite Prime Suspect In Fish Kills At Salton Sea
... infested with moderate to high levels of a lethal parasite of warm-water marine fish. The paras... in the Salton Sea, the investigators reported, parasite levels can build up to extremely high levels in fish. Healthy fish in aquaria can die af...NIAID Doctor Successfully Treats Longest Case Of Malaria Infection On Record
...alaria parasite, Dr. Vinetz found evidence of that parasite that had eluded detection in multiple ...Dr. Vinetz could find no traces of the parasite in her blood, and by six months, her spleen had returned to normal size. One year later,...USGS Scientists Implicate Exotic Parasite In Wisconsin Lake Bird Deaths
...,000-acre Shawano Lake.Cole said that although the parasite was not detected during the 1996 die-off,she was a...tern Europe, especially the Danube River area. The parasite resides insnails, which are an important food source for moorhens and coots alike. Onceinside a bir...Three-Day Treatment Cures Decades-Old Case Of Malaria
...ted only genes that occur in one type of malarial parasite known as Plasmodium malariae. He suspected that P. malariae was the culprit, because it is known to cause very mildcases that last for years. The tale of misdiagnosed malaria began in 1994, when the woman, from the Greek island of Karpathos, w...Johns Hopkins Scientists Designing Compounds To Fight Malaria
...eeradical. Carbon radicals damage cells inside the parasite bystealing electrons and breaking molecular bonds,...making the drugtoxic to the malaria parasite. "The parasite initiates its own self-destruction inadvertently,"Posner said. "Based on that mechanistic understand...Scientists Seek Early Warning Of Drinking Water Threats
...re than 300 people. In North and SouthAmerica, the parasite Cyclospora has caused serious health problems for peoplerelying on untreated drinking water. Battigelli noted that medical treatment is not available for some diseasescaused by these pathogens. In many cases, people rely exclusively on theirbody's im...Discovery Of Plant-Like Metabolic Pathway In Common Parasites Supplies New Targets For Therapy
..., could block the production of folate, inhibiting parasite growth andsurvival. Glyphosate proved effective ag...ate pathway enzymes from Toxoplasma and a malaria parasite and demonstrated the presence of fourof the seven enzymes in parasites extracts. Finally, they teste......1disease, which is caused by an infection with the parasite Trypansoma cruzi (T.cruzi). Chagas is the leading ...oncept that cysteine proteaseinhibitors can stop a parasite from replicating without harming the host cell,2says McKerrow. This proof of the concept could pave...University Of Kentucky Researcher Awarded MERIT Extension For Study Of Third World Killer
... body. "We are trying to determine how the parasite survives in the humanhost," Turco said. "We suspe...iacell surface that we feel is responsible for the parasite to invade the body andsurvive with impunity." Leishmania's cell surface contains a complex m...Virginia Tech Scientist Seek Genetic Solution To Malaria
...She's studying the two-week period when themalaria parasite develops inside a mosquito. Only about 70...it sucks blood from an infected host. The parasite must then mature and reproduce during a two-week period inthe mosquito, creating a new generation of...Veterinary Researchers Identify Accomplice Of Calf-Killing Parasite
...d to cause $35million a year in economic loss. The parasite also causes central nervous systemdisorders in hor... International Journal ofParasitology. The parasite is passed through cattle populations as dogs or wildlifeingest placental tissues or aborted fetuses ...Genetic Code Of Chromosome Of Malaria Parasite Deciphered
...port to describe the complete geneticsequence of a parasite chromosome. Project funding was initiated by the N... 200 genes, many ofwhich are probably essential to parasite functions, including genes that mediateinteractions with host cells and contribute to disease. "Of p...Multicomponent Malaria Vaccine Shows Promise in Laboratory Tests
... that is transmitted to humans by mosquitoes. The parasite has acomplex life cycle. Following injection into...o the liver where it multiplies. New forms of the parasite are thenreleased into the bloodstream where they invade red blood cells, ultimatelydestroying them. ...All Mixed Up: How Do Hybrids Fit Into The Picture?
... on hybrid mice reveals thatthey are more prone to parasite attack than their parental counterparts (Mus musmusculus and M. m. domesticus). Her review of the parasitism of animal hybridsnot only suggests an evolutionary implication of parasites. It also stressesthat this implication of parasites is very sim......ct result not of pesticides or ozoneloss, but of a parasite that naturally infects the animals. Scientists fi...mage deformities that are mostly characteristic of parasite infections. While Sessions' team was sampling frogs from ponds around the country, anotherteam of sc...Malaria called failure, puzzle and challenge
...ithKline Biologicalsthat would prevent the malaria parasite in its infectious stage from entering ordeveloping within liver cells of human beings, thus blocking the severe andlife-threatening consequences of malaria in non-immune individuals. Another is atransmission-blocking vaccine being developed by NIH sc...Common parasite overturns traditional beliefs about the evolution and role of hemoglobin
...ing rewritten with the help of a common intestinal parasite thatinfects more than 1 billion people worldwide. A team led by Dr. Jonathan Stamler, a Howard Hughes Medical Instituteinvestigator at Duke University Medical Center, believes that the hemoglobinmolecule found in the gut of Ascaris lumbriocoi...Researchers discover hemoglobin's enzymatic nature
...nematode worm Ascaris lumbricoides ,an intestinal parasite that infects one billion people worldwide, has uncommonlystrong hemoglobin that binds to oxygen 25,000-times more tightly than does humanhemoglobin. The affinity of Ascaris hemoglobin for oxygen is so powerfulthat many researchers believed the mole...A relative of smallpox is first virus found to invade cells as HIV does
...he virus. Other pathogens, including the malaria parasite and streptococcus bacteria, target chemokine-like receptors, but the only viruses known to employ this strategy are HIV and now the myxoma poxvirus. The cell surface targets of all other poxviruses are as yet unknown. Since the discovery in 1997 tha...