Trematode

Uncooked Fish may Cause Liver Cancer

... say researchers in this weeks PLoS Medicine. Banchob Sripa (Khon Kaen University) and colleagues discuss the mechanisms by which the food-borne trematode Opisthorchis viverrini (the SE Asian liver fluke) causes cholangiocarcinoma. The fluke is endemic to Thailand, Lao Peoples Democratic ...

Protein Secreted By Worm Eggs Holds Key To Anti-inflammatory Therapy

... therapy // . Their study findings appear in the November issue of the Journal of Experimental Medicine. Schistosoma mansoni, a trematode parasite that infects humans has genes that have been selected to modulate the host to tolerate chronic worm infections, often for decades, without ...

Trematode in Medical Dictionary

Bilharziasis

... Bilharziasis : a parasite infection by a trematode worm acquired from infested water. Also known as schistosomiasis . ... , or snail fever , parasitic disease caused by blood flukes, trematode worms of the genus Schistosoma. Three species are human parasites : S. ...

Schistosomiasis

... Related Category: Pathology (shs´tsm´ss), bilharziasis , or snail fever , parasitic disease caused by blood flukes, trematode worms of the genus Schistosoma. Three species are human parasites : S. mansoni, S. japonicum, and S. Schistosomiasis is an infection caused ...

Tapeworm Infection

... Other widespread helminthic infections include onchocerciasis, lymph atic filariasis, dracunculiasis (Guinea worm disease ), and food -borne trematode and tapeworm infection s. All of these infections cause chronic morbid ity and debilitation. ...

Trematode in Biological News

New CU-Boulder study shows diversity decreases chances of parasitic disease

... tree frog tadpoles acted as "sponges" for the trematode parasites, which were subsequently killed by the ... are pure competitors," Johnson said. "But when trematode parasitism is present in the ecosystem, the adage ... of the host community," wrote the authors. The trematode has a complex life cycle involving snails, ...

Nutrient pollution drives frog deformities by ramping up infections, says CU-Boulder study

... infection and deformities in frogs." The trematode has a complex life cycle that involves three host ... the researchers took on the role of birds in the trematode life cycle by adding parasite eggs to the tanks, ... in those tanks, Johnson said. As few as 12 trematode larvae, known as cercariae, can kill or deform a ...

Parasitic worms make sex worthwhile

... so the researchers assume that neither the worms nor the snails exchange genetic material between the lakes. The snail's parasite, a genus of trematode worms called Microphallus , can be found in both Alexandrina and Kaniere lakes, as well as a third lake, Poerua. The worms' eggs are ingested by the ...

Tiny invasive snail impacts Great Lakes, alters ecology

... infect the snails and controls their population and reproduction. Some people have suggested that those who want to control the snail introduce this trematode to the U.S. to control the snails. "There are two problems with introducing these trematodes," says Levri. "The first is that any introduction of ...

Parasites outweigh predators in Pacific Coast estuaries

... always been assumed they weigh almost nothing," he said. "Now we know that's not true." For example, in an estuary there are more kilograms of trematode worms--parasites--than kilograms of birds, the scientists found. The study's results have a potential impact on the perceived role of parasites in ...

Study shows parasites outweigh predators

... because it's always been assumed they weigh almost nothing. Now we know that's not true. "For example, in an estuary there are more kilograms of trematode worms - parasites - than kilograms of birds," he noted. "If you could see the trematodes with binoculars, you might not bother bird watching." ...

Even a little cooling helps after cardiac arrest

... Lafferty said. "It is a hub for more than 20 trematode species." If any one requisite intermediate host ... population, he explained. A survey of the trematode population in resident snails thus becomes a ... and its gaps. If, for example, a certain trematode species is missing, it could indicate that its ...

How healthy is that marsh? Biologists count parasites

... Lafferty said. "It is a hub for more than 20 trematode species." If any one requisite intermediate host ... population, he explained. A survey of the trematode population in resident snails thus becomes a ... and its gaps. If, for example, a certain trematode species is missing, it could indicate that its ...

Parasites' impact goes beyond host to affect ecosystem

... Marine Lab off the coast of New Hampshire, looks at parasitism by the trematode Cryptocotyle lingua in Littorina littorea, a snail known as the common ... says Byers, who predicts that anywhere gulls are prevalent, the C. lingua trematode would also be prevalent. A laboratory experiment confirmed Wood’s and ...

Trematode in Biological Technology

Biolistic Gene Transfer to Generate Transgenic Schistosomes, Rev A

... multicellular parasites. The goal of our study was to establish a gene delivery system for Schistosoma mansoni, a digenean trematode with a complex life cycle. Specifically, we used biolistic gene transfer techniques to transiently transform adult and larval stages of ...

Trematode in Biological Dictionary

Trematode

... infect mollusks as the first ... Main article: trematode infection ... A diagnostic feature of this trematode is a pair of diverticulae just posterior ... The trematode eggs are released from the primary host into ...

Cestoda

... ( Cestoda , Cyclophyllidea) ... Cestoda . Turbellaria ... Cestoda —Tapeworms. Monogenea—Ectoparasitic flukes with simpler life cycles than trematode flukes. ... Cestoda (Jan 1, 2007) history ... Department of Health and Human Services. Centers for Disease Control and Prevention ... EID ...

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