Echinostoma revolutum, the most widely distributed species, is found from asia and oceania to europe and the americas. Based on the specimens obtained, each stage of the lifecycle has been redescribed. Examining the phylogenetic relationships of echinostome parasites in north america jillian t. A comparison between mitochondrial dna and the ribosomal.
This article is from the korean journal of parasitology, volume 51. Echinostoma revolutum, australia, cambodia, egypt, lao pdr, russia, taiwan, thailand, snails, tadpoles and clams. These intestinal flukes have a threehost life cycle with snails or aquatic organisms as intermediate hosts, and a variety of animals, including humans, as their definitive hosts echinostoma infect the gastrointestinal tract of humans, and can cause a disease known as echinostomiasis. Only five species were considered valid in the most recent revision of the group but recent molecular studies have demonstrated a higher diversity within the. The lifecycle of echinostoma revolutum froelich, 1802 dietz, 1909 has been completed experimentally beginning with infected snails collected at the typelocality, near erlangen, germany. Information and translations of echinostoma in the most comprehensive dictionary definitions resource on the web.
Effects of environmental change on helminth infections in. The first intermediate host is always a snail families planorbidae, lymnaeidae, and bulinidae, and the major competent intermediate hosts vary by. Switch the device on, put the chip card in follow the direction arrow. Echinostoma caproni echinostoma paraensei c a c lake victoria, kisumu, kenya central spain rio grande nature center, albuquerque, new mexico biomphalaria sudanica ciconia nigra physa sp. A total of 2,914 snails that belong to 12 species were examined, and 7. Adult worms were identified as echinostoma revolutum. In order to hatch, this egg has to be exposed to the sun kanev 1994. Echinostoma recurvatum trematode fluke parasites support. Second edition v olume 1 lower metazoans and lesser. Echinostome infection in green frogs rana clamitansis. The systematics of echinostomes within the socalled revolutum group of the genus echinostoma, which encompasses the typespecies e.
The digenean species of echinostoma echinostomatidae with 37 collar spines that comprise the socalled revolutum species complex, qualify as cryptic due to the interspecific homogeneity of characters used to differentiate species. Echinopluteus article about echinopluteus by the free. Mar, 20 the digenean species of echinostoma echinostomatidae with 37 collar spines that comprise the socalled revolutum species complex, qualify as cryptic due to the interspecific homogeneity of characters used to differentiate species. Echinostoma is a genus of trematodes, which can infect both humans and other animals. However, no information is available about human e. Echinoplutei have three to four pairs of long arms, a gut, and three pairs of coelomic saccules. All structured data from the file and property namespaces is available under the creative commons cc0 license.
Important taxonomic features are discussed and hitherto unknown characteristics are described. Echinostoma ilocanum infection article pdf available in indian pediatrics 356. Blouin department of zoology, oregon state university, 3029 cordley hall, corvallis, oregon 97331, usa. This page was last edited on 11 august 2018, at 19. Echinostoma revolutum species complex, molecular and morphological data, nad1, 28s rdna, europe. Only five species were considered valid in the most recent revision of the group but recent molecular studies have demonstrated a higher diversity. A comparison between mitochondrial dna and the ribosomal internal transcribed regions in prospecting for cryptic species of platyhelminth parasites r. The life cycle of echinostoma revolutum froelich john christopher johnson on. Helminths, arthropods and protozoa of domesticated animals. Prevalence of the eight helminth taxa ranged from 2. Observations on the life histories of euparyphium murinum tubangui, 1931, and echinostoma revolutum froelich, 1802, trematoda turangui, marcos a on.
These intestinal flukes have a threehost life cycle with snails or aquatic organisms as intermediate hosts, and a variety of animals, including humans, as their definitive hosts. Echinostome infection in green frogs rana clamitansis stage and age dependent m. Echinostoma definition of echinostoma by medical dictionary. Lifecycle, delimitation and redescription of echinostoma.
Gluck equine research center university of kentucky. The device shows now automatically the content of c hip card. Trumpey, chief scientific illustrator michael hutchins, series editor in association with the american zoo and aquarium association volume 1 title pages 102703 1. Minchella purdue university, biological sciences, lilly hall, 915 w state st, west lafayette, in 47907, usa article info article history. Echinostomatidae is described from intestine of bird the black coot fulica atraof manchhar lake, sindh, pakis tan. Freshwater snails as the second intermediate hosts in chiang mai, thailand.
Iceland have been published recently georgieva et al. Files are available under licenses specified on their description page. It is then able to swim to its host which has to be a snail kortbawi et al. The digenean species of echinostoma rudolphi, 1809 echinostomatidae with 37 collar spines that comprise the socalled echinostoma revolutum complex, qualify as cryptic sensu bickford et al. Recent molecular studies indicate the existence of more species than previously considered valid, thus stressing the need for wider taxon sampling from natural host. Echinostoma malayanum definition of echinostoma malayanum. The trematode fluke, also known as the echinostoma revolutum, starts off as an egg which is unable to move. Abstractthe occurrence of 37collar spined echinostome metacercariae in freshwater snails. The life cycle of echinostoma revolutum froelich by johnson, john christopher.
Echinostoma is an important genus that includes many parasites. New cryptic species of the revolutum group of echinostoma. The margins of the perioral depressions and the surface of the arms bear. Although the present specimens resemble with type species echinostoma revolutum but are distinguished from it in having aspinose body, 38 collar spines, absence of. Frequen cy chip eyes au g according to raymond rife a nd dr. Thoney, advisory editor neil schlager, editor joseph e. Revolutum which is also a neurological tapeworm it produces ad36 virus that can cause colds, may causes dramatic weight gain. The largescale screening revealed infections with five echinostoma spp. Human echinostomiasis is an intestinal parasitic disease caused by one of at least sixteen trematode flukes from the genus echinostoma. Recent molecular studies indicate the existence of more species than previously considered valid, thus stressing the need for wider taxon sampling from. Order plagiorchida cercaria typically armed with a stylet. Foodborne trematodiasis is an emerging public health problem, particularly in southeast asia and the western pacific region. Echinostoma revolutum infection in children, pursat.
An outbreak of echinostomiasis was reported among us travelers. This category has the following 3 subcategories, out of 3 total. Echinostoma revolutum dalam saluran pencernaan itik yang telah diinfeksi jauh lebih tinggi dibandingkan trematoda lainnya notocotylus imbricatus dan paramonostomumsp. Echinostoma revolutum was recovered in the caeca and large 25. What links here related changes upload file special pages permanent link page.
Echinostome infection in green frogs yale campuspress. The most frequently encountered zoonotic species, echinostoma hortense and e. The prevalence of infection with echinostome flukes ranged from 7. Echinostoma echinatum zeder 1803 sensu kanev digenea. Unlike some other reproductions of classic texts 1 we have not used ocroptical character recognition.
Ay761143 ay761146 ay761145 u58098 u58100 echinostoma revolutum echinostoma sp. Effects of environmental change on helminth infections in amphibians. We summarize the complex life cycle of foodborne trematodes and discuss its contextual determinants. The reexamination of the voucher specimens identified by kanev et al. Metacercariae in filopaludina snails from nam dinh province, vietnam, and adults from experimental hamsters.
Echinostoma revolutum is the most widely distributed species of all 20 echinostomatidae species. Echinostoma revolutum infection in children, pursat province. The occurrence of 37collar spined echinostome metacercariae in freshwater snails was investigated in 6 districts of chiang mai province, thailand, from october 2011 to april 2012. Echinostoma n a taxonomic genus within the family echinostomatidae trematode parasites that can infect humans and other animals, causing echinostomiasis.