strigeoid trematodes of malaysia with descriptions of a new genus and three new species. | six species of strigeoid trematodes are reported from malaysia. one new genus and 3 new species are described: apatemon (apatemon( jamesi sp. n (strigeidae); cercaria cotylurus sullivani sp. n. (strigeidae); neodiplostomum (neodiplostomum) sp. (diplostomatidae); fibricola ramachandrani (diplostomatidae); pseudoscolopacitrema otteri gen. n. et sp. n. (diplostomatidae); and cercaria cyathocotyle malayi sp. n. (cyathocotylidae). the life cycles of a. jamesi and c. malayi have also been investigated ... | 1979 | 458132 |
fibricola ramachandrani (betterton, 1976) palmieri, krishnasamy and sullivan comb. nov. from malaysian rodent hosts with a special note on intraspecific morphological variation. | neodiplostomum (conodiplostomum) ramachandrani betterton, 1976 has been reported from four species of rodent hosts: echinosorex gymnurus (raffles): rattus whiteheadi (thos); r. muelleri (jentink) and callosciurus notatus (boddaert). a comparison of trematodes recovered from these hosts revealed patterns of host-induced morphological variation taking place. because n. (conodiplostomum) ramachandrani shows little generic difference from fibricola intermedius (pearson, 1959) sudarikov, 1960 it is t ... | 1979 | 489943 |
digenetic trematodes from rats, squirrels and tree shrews in malaysia. | neodiplostomum (conodiplostomum) brachylaima, ectosiphonus and euparadistomum are reported for the first time from small mammals in malaysia. new host and locality records are given for echinostoma, achillurbainia, beaveria, odeningotrema, leipertrema, athesmia, skrjabinus and zonorchis. possible-life-cycles of the parasites are discussed in relation to the ecology and feeding habits of the hosts. | 1975 | 816008 |
neodiplostomum (conodiplostomum) ramachandrani sp. n. from mueller's rat, rattus muelleri in malaysia. | neodiplostomum (conodiplostomum) ramachandrani sp. n. is described from rattus muelleri in kepong, selangor, malaysia. it is characterised by having symmetrical dumbell-shaped testes, and vitellaria as a single ventral band in the hindbody. the taxonomic relations of neodiplostomum, conodiplostomum and fibricola are discussed and possible significance of the fluke as an ecological indicator noted. | 1976 | 993573 |
babesia moshkovskii (schurenkova, 1938) laird and lari, 1957; from the prairie falcon, falco mexicanus, in wyoming; with comments on other parasites found in this host. | babesia moshkovskiiwas found in the blood of 6 of 30 downy (d) prairie falcons and in none of 5 adults (a) from wyoming. intestinal parasites included neodiplostomum (c) spathula (a,3), cladotaenia globifera, (a,1), physaloptera sp., (a,1), and serratospiculum amaculatum, (a,4). ornithodorus concanensis, (d,3), thrassis francisi, (d,1), opisocrostis sp., (d.1), degeeriella rufa, (d,2), simulium (e.) canonicola (d,2), and an unidentified hippoboscid fly, (d,2) were external parasites. it is consi ... | 1975 | 1142557 |
the effect of reinfection with neodiplostomum seoulensis on the histopathology and activities of brush border membrane bound enzymes in the rat small intestine. | neodiplostomum seoulensis, one of the human intestinal trematodes, was reinfected to albino rats, and worm recovery rates, histopathology and activity changes of the intestinal brush border membrane bound enzymes were observed. the experimental groups were three; uninfected, primary infection and reinfection. the worm recovery rate in the reinfection group was much lower than in the primary infection group 14 days after infection. the duodenal histopathology showed villous atrophy during the fir ... | 1995 | 7735784 |
iga response in mice infected with neodiplostomum seoulensis. | to observe the production of iga in balb/c mice with neodiplostomiasis, 20 mice were infected with each 200 metacercariae of neodiplostomum seoulenis. sera and the duodenums were obtained 3, 7, 14, 28 days post-infection (pi) from five mice each group. neodiplostomum specific iga in serum by the enzyme-linked immunosorbent assay increased from 7 days pi and persisted till 28 days pi. immunohistochemistry for iga was done with sections of the duodenum. the iga-positive reaction was generally seen ... | 1995 | 7735786 |
neodiplostomum seoulensis n. comb. (trematoda: neodiplostomidae). | fibricola seoulensis seo, rim, and lee, 1964 was described from rats in seoul, korea and was later found to be a natural parasite in the intestine of humans. at the time this species was described, the classification of this and other strigeiform flukes was based largely on the phylogeny of the host; those adult worms parasitic in birds were placed in neodiplostomum and those parasitic in mammals were placed in fibricola. a recent analysis of this group produced a classification that was based o ... | 1994 | 8064539 |
[trematodes parasitizing the white-tailed eagle (haliaeetus albicilla l.)]. | five white-tailed eagles were dissected--3 from the czech republic and 2 from poland. 4 specimens were infected with trematodes only: strigea falconis, neodiplostomum (conodiplostomum) perlatum, and paracoenogonimus ovatus. s. falconis was found for the first time in an eagle from the czech republic, whereas n. (c.) perlatum and p. ovatus were detected for the first time in eagle from poland. moreover, n. (c.) perlatum is a new species for the polish parasite fauna. | 1993 | 8122425 |
a follow-up examination of intestinal parasitic infections of the army soldiers in whachon-gun, korea. | a follow-up stool examination was done to know the status of intestinal parasitic infections in army soldiers who were stationing in whachon-gun, kangwon-do, korea in 1993. of 233 examined soldiers, infections with clonorchis sinensis (0.4%), metagonimus spp. (0.9%), echinostoma hortense (0.4%), neodiplostomum seoulensis (0.4) and giardia lamblia (3/233) were found. e. hortense and n. seoulensis infections were each 75th, and 27th cases in korea. regular control program of intestinal parasitic i ... | 1994 | 8167111 |
neodiplostomum seoulense, the emended name for neodiplostomum seoulensis. | | 1995 | 8591021 |
segmentina (polypylis) hemisphaerula (gastropoda: planorbidae): a new molluscan intermediate host of a human intestinal fluke neodiplostomum seoulensis (trematoda: diplostomatidae) in korea. | three species of the pulmonate snails of the family planorbidae have been reported from korea, gyraulus convexiusculus, hippeutis (helicorbis) cantori, and segmentina (polypylis) hemisphaerula. of these 3 species, only h. cantori is reported as the molluscan intermediate host of neodiplostomum seoulensis, 1 of the important snail-borne human intestinal trematodes in korea. however, s. hemisphaerula was also found to be an intermediate host for n. seoulensis. in field-collected snails, h. cantori ... | 1996 | 8604110 |
surface ultrastructure of the cercaria of neodiplostomum seoulense (trematoda: neodiplostomidae). | the surface ultrastructure of neodiplostomum seoulense cercariae was studied by scanning electron microscopy. the cercarial body was cylindrical and its tail bifurcated. short tegumental spines, with a broad base and single pointed tip, were dense anteriorly but sparse posteriorly on the lateral margins of the body. the acetabulum had stout spikelike spines, centripetally oriented on the inner surface. sensory papillae, each with a short cilium, were concentrated around the oral sucker; they cou ... | 1996 | 8885899 |
localization of worm antigen in neodiplostomum seoulense by immuno-electronmicroscopy. | the localization of worm antigen of neodiplostomum seoulense was examined by immuno-electronmicroscopic observation. not only the immunized serum of mice with crude worm extract of n. seoulense but also serum of infected mouse were reacted to the worm section. using immunized serum as primary antibody, the gold particles were deposited on the rough endoplasmic reticulum of the cell of tribocytic organ, spermatozoa in the seminal vesicle, microvilli of the caecum and vitelline follicle. using inf ... | 1997 | 9241983 |
intestinal mastocytosis and goblet cell hyperplasia in balb/c and c3h mice infected with neodiplostomum seoulense. | mucosal mast cell (mmc) and goblet cell (gc) responses were observed in the small intestine of two strains of mice (balb/c and c3h) infected with neodiplostamum seoulense, and their roles in the host defense and worm expulsion were studied. from day 3 to 28 post-infection (pi) with 200 metacercariae, the worm recovery rate from balb/c mice was consistently and remarkably higher than that from c3h mice. in the duodenum of both strains of mice, the main habitat of the flukes, mastocytosis was pron ... | 1998 | 9637828 |
planorbid snails as potential molluscan intermediate host of a human intestinal fluke, neodiplostomum seoulensis (trematoda : diplostomatidae) in korea. | three species of the pulmonate snails of the family planorbidae have been reported from korea; gyraulus convexiusculus, hippeutis (helicorbis) cantori and segmentina (polypylis) hemisphaerula. of these 3 species, only h. cantori is reported as the molluscan intermediate host of neodiplostomum seoulensis, one of the important snail-borne human intestinal trematodes in korea. however, s. hemisphaerula was also found to be an intermediate host for n. seoulensis. in field-collected snails, h. cantor ... | 1997 | 9656378 |
karyotype analysis of neodiplostomum seoulense. | a karyotype analysis of the chromosome of neodiplostomum seoulense, one of causative agents of human intestinal trematodiasis, was done from the gonad tissue by the squashing method. the chromosome number was n = 10 and 2n = 20. chromosome length was 1.30-4.0 microns. chromosome pairs in the complement consisted of two pairs of metacentric, five pairs of submetacentrics/subtelocentric and three pairs of telocentric chromosomes. these data were comparable with those of other intestinal trematodes ... | 1998 | 9868894 |
pathogenicity and lethality of a minute intestinal fluke, neodiplostomum seoulense, to various strains of mice. | pathogenicity and lethality of neodiplostomum seoulense to various strains of mice (mast cell-deficient w/wv, their normal littermate +/+, c57bl/6, balb/ca, c3h/hej), and a hybrid (balb/ca x c3h/hej)f1 were investigated. when the mice were infected orally each with 200 metacercariae, their abdomen became distended, and all mice died by day 23 postinfection (pi) except balb/ca, which were severely weakened but recovered after 28 days. even a smaller infection dose of 25 metacercariae was highly l ... | 1998 | 9920310 |
a 54 kda cysteine protease purified from the crude extract of neodiplostomum seoulense adult worms. | as a preliminary study for the explanation of pathobiology of neodiplostomum seoulense infection, a 54 kda protease was purified from the crude extract of adult worms by sequential chromatographic methods. the crude extract was subjected to deae-sepharose fast flow column, and protein was eluted using 25 mm tris-hcl (ph 7.4) containing 0.05, 0.1, 0.2 and 0.4 m nacl in stepwise elution. the 0.2 m nacl fraction was further purified by q-sepharose chromatography and protein was eluted using 20 mm s ... | 1999 | 10188382 |
genetic difference in susceptibility and fatality of three strains of mice experimentally infected with neodiplostomum seoulense. | the genetic influence on host susceptibility to neodiplostomum seoulense infection and fatality of the host was studied in 3 inbred strains of mice (balb/c [h-2d], c3h/he [h-2k], and c57bl/6 [h-2b]). the survival of the mice, worm expulsion kinetics, worm size, number of eggs produced per day (epd), and number of uterine eggs were observed from day 1 to day 40 postinfection (pi) with 100 or 200 metacercariae per mouse. infection with n. seoulense was highly lethal to all 3 strains of mice, but t ... | 2000 | 11128496 |
host specificity of austropeplea ollula (gastropoda: lymnaeidae) to miracidial infection with a human intestinal fluke neodiplostomum seoulense (trematoda: diplostomatidae) in korea. | three species of freshwater pulmonate snails of lymnaeidae have been reported from korea, radix auricularia coreana, austropeplea ollula, and fossaria truncatula. of these 3 species, only a. ollula was naturally infected with neodiplostomum seoulense cercariae (prevalence, 0.3%). in experiments with the laboratory-reared snails, a. ollula was found to be susceptible to the n. seoulense miracidia (prevalence, 10%). this is the first report of a. ollula as the first molluscan intermediate host for ... | 2002 | 12099442 |
food-borne intestinal trematode infections in the republic of korea. | a total of 19 species of food-borne intestinal trematodes have been reported in humans in the republic of korea. they include 12 species of the heterophyidae, metagonimus yokogawai, m. takahashii, m. miyatai, heterophyes nocens, h. heterophyes (imported), h. dispar (imported), heterophyopsis continua, pygidiopsis summa, stellantchasmus falcatus, centrocestus armatus, stictodora fuscata, and s. lari; four species of the echinostomatidae, echinostoma hortense, e. cinetorchis, echinochasmus japonic ... | 2002 | 12113752 |
neodiplostomum leei n. sp. (digenea: neodiplostomidae) from chicks infected with metacercariae from the grass snake rhabdophis tigrina. | neodiplostomula from the european grass snake rhabdophis tigrina, in the republic of korea, were thought to represent 2 species: pharyngostomum cordatum (large-sized neodiplostomula), an intestinal trematode of cats, and neodiplostomum seoulense (small-sized neodiplostomula), an intestinal trematode of humans and rodents. the present study describes n. leei n. sp. (digenea: neodiplostomidae) on the basis of adult flukes recovered from the small intestines of chicks experimentally infected with s ... | 2002 | 12537114 |
effects of anti-allergic drugs on intestinal mastocytosis and worm expulsion of rats infected with neodiplostomum seoulense. | the effects of anti-allergic drugs on intestinal mastocytosis and the expulsion of neodiplostomum seoulense were observed in sprague-dawley rats, after oral infection with 500 metacercariae. the drugs used were hydroxyzine (a histamine receptor h1 blocker), cimetidine (a h2 blocker), cyclosporin-a (a helper t-cell suppressant), and prednisolone (a t- and b-cell suppressant). infected, but untreated controls, and uninfected controls, were prepared. worm recovery rate and intestinal mastocytosis w ... | 2003 | 12815318 |
three new species of the genus neodiplostomum railliet, 1919, from central african birds of prey, with a note on neodiplostomum canaliculatum (nicoll, 1914) dubois, 1937. | | 1956 | 13319683 |
neodiplostomum intermedium n.sp. from the allied rat, rattus assimilis, with remarks on the genera neodiplostomum and fibricola (trematoda: diplostomatidae). | | 1959 | 13657521 |
observations on the morphology and life cycle of neodiplostomum intermedium (trematoda: diplostomatidae). | | 1961 | 13733790 |
helminth fauna of falconiform and strigiform birds of prey in galicia, northwest spain. | this is a survey of the helminth fauna of 285 individuals of 14 species of birds of prey (falconiformes and strigiformes) from galicia (northwest spain), namely buteo buteo, accipiter nisus, a. gentilis, milvus migrans, m. milvus, pernis apivorus, circus pygargus, falco tinnunculus, f. peregrinus, f. subbuteo, tyto alba, strix aluco, asio otus and athene noctua. a total of 15 helminth species were detected, namely 8 nematodes ( eucoleus dispar, capillaria tenuissima, synhimantus laticeps, microt ... | 2004 | 14714181 |
infection status with helminthes in feral cats purchased from a market in busan, republic of korea. | the present study was performed to investigate the infection status with helminth in a group of feral cats in korea. more than 29 helminth species including adults or eggs were detected in visceral and fecal samples of the examined cats. among these were a host of nematodes, including toxocarids, ancylostoma sp. and the larva of anisakis simplex; trematodes, including clonorchis sinensis, paragonimus westermani, eurytrema pancreaticum, pharyngostomum cordatum, metagonimus spp., heterophyes nocen ... | 2005 | 16192750 |
migration of neodiplostomum leei (digenea: neodiplostomidae) neodiplostomula to the livers of various mammals. | of morphologically indistinguishable small-sized neodiplostomula in the grass snake rhabdophis tigrina in the republic of korea, some, such as neodiplostomum seoulense, mature into adults in the intestines of rodents, whereas others, such as neodiplostomum leei, migrate to rodent livers and mature in the intestines of chicks. in the present study, we aimed to observe in more detail the extraintestinal migration and development of n. leei by using various animal models, i.e., mice, rats, hamsters ... | 2006 | 16729676 |
radioresistance of anisakis simplex third-stage larvae and the possible role of superoxide dismutase. | the radioresistance of anisakis simplex third-stage larvae and the possible role of sublethal radiation on superoxide dismutase (sod) were investigated. larvae were isolated from the viscera of the sea eel anago anago; irradiated with 10, 100, 200, 500, or 1,000 gy; and then given orally to rats. worms were recovered at 16 hr postinoculation. most larvae were found to have invaded the gastric wall, omentum, and abdominal cavity, suggesting that their viability and infectivity were not controlled ... | 2006 | 16729710 |
complement-mediated tail degradation of neodiplostomum seoulense cercariae. | the furcocercus cercariae of neodiplostomum seoulense (digenea: neodiplostomidae) penetrate the skins of tadpoles and shed their tails. the speculated mechanism of this tail loss was physical efforts required to produce a vigorous zigzag motion during skin penetration; no other mechanism has been proposed. we examined the relationship between the host serum and cercarial tail loss. cercariae of n. seoulense were collected from experimentally infected segmentina hemisphaerula, and lots of 300 cer ... | 2006 | 16809960 |
apodemus agrarius as a new definitive host for neodiplostomum seoulense. | a total of 1,496 rodents and insectivores were live-trapped at yeoncheon-gun (n = 351), paju-shi (804), and pocheon-gun (343), gyeonggi-do (province), and examined for intestinal helminths, including neodiplostomum seoulense, seasonally from december 2004 to september 2005. six species of rodents, including apodemus agrarius (1,366), mus musculus (32), micronytus fortis (28), eothenomys regulus (9), micronys minutus (6), and cricetulus triton (3), and 1 species of insectivores crocidura lasiura ... | 2007 | 17570982 |
[intestinal digeneans of birds (superfamily diplostomoidea) of the masurian lakes]. | the aim of this study was to complete the information on digenean fauna of birds on the basis of the collection of diplostomid digeneans gathered in 1994-1970 during the field investigations directed by prof. wiśniewski in the region of masurian lakeland. | 2007 | 17912807 |
t-helper-1 and t-helper-2 immune responses in mice infected with the intestinal fluke neodiplostomum seoulense: their possible roles in worm expulsion and host fatality. | neodiplostomum seoulense is highly pathogenic and lethal to experimental mice; most worms are expelled within 2 mo of acquisition. in this study, t-helper (th) cell immune responses were studied in n. seoulense-infected balb/c mice. spleen and mesenteric lymph node (mln) cells of infected mice proliferated in response to parasite antigens; cd4+ t cells proliferated more than cd8+ t cells. antigen-induced interferon (ifn)-gamma (a th1 cytokine) secretion began to increase at day 7 postinfection ( ... | 2007 | 18163337 |
a new neodiplostomid (digenea) from the intestine of chicks infected with metacercariae from the grass snake, rhabdophis tigrina. | three species of neodiplostomula are known to inhabit the european grass snake, rhabdophis tigrina, in the republic of korea: pharyngostomum cordatum (large-sized neodiplostomula), an intestinal trematode of cats; neodiplostomum seoulense (small-sized neodiplostomula), an intestinal trematode of humans and rodents; and neodiplostomum leei (small-sized neodiplostomula), which migrates to the livers of rodents and is an intestinal trematode of birds. the present study describes a fourth species, n ... | 2008 | 18576824 |
antigenic properties of cystatin-binding cysteine proteinases from neodiplostomum seoulense. | the antigenic properties of cysteine proteinases binding to cystatin were analyzed in neodiplostomum seoulense, an intestinal trematode that infects humans and rodents in the republic of korea. cystatin was found to effectively capture cysteine proteinases present in the crude extract of n. seoulense. the igg levels against cystatin-binding cysteine proteinases in sera of mice infected with n. seoulense were higher than those in sera of mice immunized with the crude extract of n. seoulense. the ... | 2008 | 18605793 |
antibody responses in sera of different mouse strains experimentally infected with neodiplostomum seoulense. | to examine humoral immune responses in the host, we measured serum antibody levels in different strains of mice (icr, balb/c, and c3h) experimentally infected with neodiplostomum seoulense. specific igg antibody levels were increased remarkably with little difference among 3 strains of mice infected with n. seoulense from day 7 to 35 post-infection. more target proteins of adult parasites reacted with igg at the time when the worm recovery decreased compared with other times. more than 20 protei ... | 2008 | 19127337 |
helminth infestation in birds of prey (accipitriformes and falconiformes) in southern italy. | helminth infestation was identified at post mortem examination in 110/116 (95%) raptors belonging to six species in southern italy. pathological changes associated with helminths were observed in 81/110 (74%) of birds. lesions in the respiratory system were associated with the nematode serratospiculum tendo only in falco peregrinus. lesions in the digestive tract in a range of species of raptors were associated with nematodes (cheilospirura falconis, dispharynx falconis, dispharynx mathewossiana ... | 2010 | 19713134 |
foodborne intestinal flukes in southeast asia. | in southeast asia, a total of 59 species of foodborne intestinal flukes have been known to occur in humans. the largest group is the family heterophyidae, which constitutes 22 species belonging to 9 genera (centrocestus, haplorchis, heterophyes, heterophyopsis, metagonimus, procerovum, pygidiopsis, stellantchasmus, and stictodora). the next is the family echinostomatidae, which includes 20 species in 8 genera (artyfechinostomum, acanthoparyphium, echinochasmus, echinoparyphium, echinostoma, epis ... | 2009 | 19885337 |
neodiplostomum banghami, a new diplostomatid strigeoidean trematode from an eagle. | | 1947 | 20266401 |
helminth fauna of a japanese golden eagle, aquila chrysaetos japonica. | a japanese golden eagle, aquila chrysaetos japonica, was found dead in nagano prefecture pb 399-8200, japan, and subjected to necropsy. the necropsy revealed that the entire length of the intestine was filled with several masses of intestinal parasites. the recovered helminths were identified as one digenean trematode species, neodiplostomum reflexum; two species of nematodes, synhimantus sp. and larvae of porrocaecum sp.; and a single species of acanthocephala, centrorhynchus sp. digenea and ac ... | 2012 | 23272374 |