Yabo Yang, Dong Hu, Lexun Wang, Chi Liang, Xuchu Hu, Jin Xu, Yan Huang, Xinbing Yu,
... of raw or undercooked fish contaminated by live metacercaria. Therefore, preventing fish from infecting is of great ... full-length sequences encoding SERPIN were identified from metacercaria cDNA library of Clonorchis sinensis (C. sinensis) and ... was significantly higher at the life stage of metacercaria than that of adult. The transcription levels of CsSERPIN and CsSERPIN3 at metacercaria stage were 3.249- and 11.314-fold ... 4.32-fold of that of CsSERPIN3 at metacercaria stage. Immunobiochemistry revealed that CsERPIN was dispersed at ...
Tópico(s): Helminth infection and control
2014 - Taylor & Francis | Pathogens and Global Health
... Anaplocamus dilatatus (Nitrocris d.) and Mudalia carinata. The metacercaria was found in all fishes examined from Opequon ... trichopterus were experimentally infected. The development of the metacercaria and cyst and effect on the fish are ... consists of hemorrhage and muscle necrosis about the metacercaria, followed by reorganization and formation of a loose ... Virginia, revealed a high population of the prohemistomulum metacercaria of Neogogatea kentuckiensis n. comb. (Mesostephanus k.). Likewise ... is probably Cercaria kentuckiensis. Hoffman (1959) reported the metacercaria from fish and an experimental adult from baby ...
Tópico(s): Bird parasitology and diseases
1963 - American Society of Parasitologists | Journal of Parasitology
... of metacercariae; Exorchis oviformis, Metorchis orientalis, Cyathocotyle species, Metacercaria hasegawai, Clonorchis sinensis, Metagonimus species, Pseudexorchis major, Echinochasmus ... 36.8 percent of 7 kinds of fishes, Metacercaria hasegawai in 36.3 percent of 8 kinds, ... 10 kinds. 4)Concerning the infested rates of metacercaria and the length of fishes, Exorchis oviformis and ... relationship between them. 5)The infested degree of metacercaria of Clonorchis sinensis was highest in Pseudorasbora parva ... species in Acheilognathus with 6.0, and of Metacercaria hasegawai in Pseudogobio esocinus with 5.7 but ...
Tópico(s): Helminth infection and control
1968 - Korean Society for Parasitology | Korean Journal of Parasitology
... of metagonimiasis in Korea. The body structure of metacercaria of M.yokogawai was described and the measurements of the excysted metacercaria were also made. 2)In order to know ... 219 to 14,427. The average number of metacercaria per fish was 3,851. The distribution of ... was observed in the following order; number of metacercaria in the muscles; 2,417 (62.8%), in ... 9(7.7%). 3)The development of the metacercaria of M. yokogawai in the mouse host was ...
Tópico(s): Helminth infection and control
1969 - Korean Society for Parasitology | Korean Journal of Parasitology
Chu‐Fang Lo, Shih-Chieh Chen, Chung-Hsiung Wang,
... vessels might supply the nutritional requirements of the metacercaria and remove the wastes produced by the worms. The metacercaria of C. complanatum got a lot of nutrients ... growth and storage. The possible routes of the metacercaria of C. complanatum to get nutrients from its ... morphological feature suggested that the tegument of the metacercaria of C. complanatum possessed the tegumental absorption function. ... serious tissue damage. After the excystment of the metacercaria, the fish tissues around the worm were dissolved. ...
Tópico(s): Helminth infection and control
1985 - Japanese Society of Fish Pathology | Fish Pathology
... was made by Leidy (1856), who found the metacercaria encysted in the liver of a sunfish Lepomis ... this adult Diplostomum minimum. Agersborg (1926) described a metacercaria from Hyborhynchus notatus (blunt nosed minnow) which he ... Diplostomum van cleavei. Hughes (1928) considered Agerborg's metacercaria identical with the metacercaria reported by Leidy (1856). Various strigeid larval types ... erected the larval group Neascus to contain the metacercaria Neascus ambloplitis nov. sp. from a sunfish (= Uvulifer ...
Tópico(s): Parasite Biology and Host Interactions
1954 - American Society of Parasitologists | Journal of Parasitology
... of the development of the cercaria into a metacercaria of the diplostomulum type have been obtained and the anatomy of the mature metacercaria is described in detail for the first time. It is proposed to name the metacercaria Diplostomulum X . Development of the cercaria into a metacercaria takes from 40 to 90 days and the ... the sporocyst, migration of the cercariae, and the metacercaria on the appropriate host tissues has been considered. ...
Tópico(s): Primate Behavior and Ecology
1958 - Cambridge University Press | Parasitology
B. F. Matthews, R. A. Matthews,
... the hemiurid Lecithochirum furcolabiatum . The terms mesocercaria and metacercaria are here adopted for those stages in the ... this stage is modified or replaced in the metacercaria by anucleate syncytial tegument similar to that of ... metabolic activity, the somal tegument of only the metacercaria resembling that of the adult in acid phosphatase ... of the latter was not detected in the metacercaria. 3 H-glucose uptake was restricted to the ...
Tópico(s): Coccidia and coccidiosis research
1988 - Cambridge University Press | Journal of Helminthology
Voleentina Devi Athokpam, Veena Tandon,
... revealed a diplostomid metacercarial infection. Morphologically, the recovered metacercaria was identified as a species of Posthodiplostomum Dubois, ... region supplements the identification. Molecular analysis revealed the metacercaria to be closely related to Posthodiplostomum sp. Japan ... and five transversions). In phylogenetic analysis also, the metacercaria claded with the genus Posthodiplostomum, coming closer to ... isolate, thus supplementing the morphological identification of the metacercaria.
Tópico(s): Helminth infection and control
2014 - De Gruyter Open | Helminthologia
... the samples, one non-cysted specimen of didymozoid metacercaria was found in the coelom of the chaetognath ... as hosts, Dollfus (1960) registered a larval form (Metacercaria sagittae) in Sagitta enflata in Castiglione (Algeria), Reimer et al. (1971) reported a didymozoid metacercaria in Sagitta elegans in the North Sea and ... from the Atlantic Ocean as being parasitized with metacercaria of the family Didymozoidae, apparently of the Monilicaecum ... purpose of this work is to describe the metacercaria of Torticaecum found in the coelom of Serratosagitta ...
Tópico(s): Helminth infection and control
1999 - Oxford University Press | Journal of Plankton Research
... Clonorchis sinensis remains unchanged during its cercaria and metacercaria stage, representing itself as 2× [ (3+3) + (3+ ... the number of its flame cell during its metacercaria stage. The flame cell formula of its mature ... 6+6) + (6+6+6) ], but in its metacercaria stage, each tertiary collecting tube except the first ... fundamentally no marked change from that of its metacercaria, at most several flame cells are added to ...
Tópico(s): Botanical Research and Chemistry
1953 - National Institute of Infectious Diseases | Japanese Journal of Medical Science and Biology
The cyst wall which encloses the metacercaria of Fasciola hepatica consists of four major layers, one of which is further divisible into three sublayers. These layers are numbered I ... I, the thick incomplete external layer, covers the metacercaria dorsally and laterally. It is composed of tanned ... mucopolysaccharide area, the ventral plug, through which the metacercaria excysts. The relative importance of these resistant layers ...
Tópico(s): Agricultural safety and regulations
1965 - Cambridge University Press | Parasitology
P. K. Bitakaramire, O Bwangamoi,
... old calves with 500, 1000, and 10,000 metacercaria of Fasciola gigantica caused recognizable clinical signs in ... animals given a single dose of 10,000 metacercaria died; one of the four given 1000 metacercaria died and all other animals survived until the ... all of five calves infected with 10,000 metacercaria.
Tópico(s): Parasitic Infections and Diagnostics
1969 - Elsevier BV | Experimental Parasitology
Shen-jia Lo, John E. Hall, Phillip A. Allender, Albert S. Klainer,
... surface structure during the transformation of cercaria to metacercaria and during early metacercarial development. In the cercaria, ... days. Microvilli appear on the surface of the metacercaria 2 to 4 hr after penetration but disappear ... tegumental changes during the transition from cercaria to metacercaria, and the topography of the newly encysted metacercaria and the host capsule. MATERIALS AND METHODS Opecoelid ...
Tópico(s): Insect and Arachnid Ecology and Behavior
1975 - American Society of Parasitologists | Journal of Parasitology
... to include details of the nephridial system. The metacercaria is described for the first time, having been ... instances within 10 min. During this period the metacercaria actively feeds on host tissue, the gut being ... is maintained throughout the remaining life of the metacercaria. ‘O’ group plaice are highly susceptible to invasion ... infection. Plaice are therefore considered accidental hosts. The metacercaria was linked with the adult stage from Morone ...
Tópico(s): Marine and fisheries research
1973 - Cambridge University Press | Parasitology
... 1905, immature encapsulated Lecithochirium sp. (Hemiuridae), and the metacercaria of Otodistomum sp. (Azygiidae). The metacercaria of Bucephaloides gracilescens (Rudolphi, 1819) (Bucephalidae) was found in the brain cavity, the metacercaria of Diplostomum spathaceum (Rudolphi, 1819) (Diplostomatidae) was found in the eye lens, and the metacercaria of Cryptocotyle lingua (Creplin, 1825) (Heterophyidae) occurred in ...
Tópico(s): Marine and fisheries research
1984 - Taylor & Francis | Ophelia
... cyst after 7-8 hours, and became mature metacercaria. in size, 15 days afer infection. The infection ... in that order. Also, the infection rate of metacercaria in wild shrimp was high at in June, ... from July to August. The infected shrimp with metacercaria was experimentally fed to Konosirus punctatus in the ... in order to know its final host. The metacercaria developed into the adult worm, in size, within ...
Tópico(s): Coccidia and coccidiosis research
1984 - The Korean Society of Fisheries and Aquatic Science | Korean Journal of Fisheries and Aquatic Sciences
P. Aitken-Ander, Norman L. Levin,
Metacercaria and unencysted juvenile and adult Protoeces maculatus are reported in the gastropod Crepidula convexa. The metacercaria and metacercarial cyst are described. Staining of the ... toluidine blue and Alcian blue indicates that the metacercaria has cystogenous glands. The cyst appears to be ... in C. convexa are true adults and not metacercaria. Ovigerous parasites migrate to the nephridium of the ...
Tópico(s): Aquatic Invertebrate Ecology and Behavior
1985 - Wiley | Transactions of the American Microscopical Society
Maryam Barzegar, M. Raeisi, Abbas Bozorgnia, B Jalali,
... the vitreous humor parasite species were Tylodelphys clavata (metacercaria) observed in H. molitrix, Alburnus alburnus, Carassius auratus, ... Ctenopharyngodon idella and Capoeta capoeta, and Ornithodiplostomum sp. (metacercaria) in Aphanius vladykovi. Diplostomum spathaceum (metacercaria) was found in the lens of eyes of ... geographical distribution and host range of Diplostomum spathaceum metacercaria is also presented in this study.
Tópico(s): Helminth infection and control
2008 - Shiraz University | Majallah-i taḥqīqāt-i dāmpizishkī-i īrān
Asim Rizvi, Shirin Hasan, Maroof Alam, Atif Zafar, Tasneem Fatima, P. A. Ahammed Shareef, Naheed Banu, M. Saleemuddin, Mohammad Khalid Saifullah, S. M. A. Abidi,
... catalase were determined in the Clinostomum complanatum progenetic metacercaria, obtained from the fish peritoneum (a hypoxic habitat). ... less than the levels observed in the progenetic metacercaria. Since the establishment of worm in the buccal ... free radicals in the host blood, the progenetic metacercaria has evolved to produce excess free radical scavenging ...
Tópico(s): Helminth infection and control
2011 - Elsevier BV | Veterinary Parasitology
Susana Pina, Fernanda Russell‐Pinto, Pedro Rodrigues,
... describes the anatomy and surface topography of the metacercaria of Microphallus primas (Jägerskiöld, 1909) infecting the shore ... maenas (L.) in Aveiro estuary, northern Portugal.The metacercaria species identification resulted from the combined use of ... the dorsal and ventral tegumental surfaces of the metacercaria were densely packed with similar squamous spines, which ...
Tópico(s): Helminth infection and control
2011 - Institute of Parasitology of the Czech Academy of Sciences | Folia Parasitologica
P. A. Ahammed Shareef, Sma Abidi,
... leghorn chicken to obtain adult worms. Mechanically excysted metacercaria and the ovigerous adult worms were stained in ... year survey for the infection of encysted progenetic metacercaria of C. complanatum in C. punctatus revealed the ... contributing factor for the occurrence of C. complanatum metacercaria either in the excysted or encysted form, indicating ...
Tópico(s): Helminth infection and control
2012 - Medknow | Asian Pacific Journal of Tropical Biomedicine
Carmen J. Marsit, Bernard Fried, J. Sherma,
... redia, and 5.9+/-1.5 ng/encysted metacercaria; the weight of triacylglycerols was 13+/-0.88 ng/encysted metacercaria, 6.3+/-0.063 ng/redia, and was ... redia, and 4.2+/-0.46 ng/encysted metacercaria. Oil red O staining of whole larvae showed ... some way during the transformation from cercaria to metacercaria.
Tópico(s): Insect and Arachnid Ecology and Behavior
2000 - American Society of Parasitologists | Journal of Parasitology
Karin Meißner, Th. Schaarschmidt,
... biologie.uni-rostock.de ABSTRACT: The impact of metacercaria infestation on the metabolic activity, thermal tolerance and ... to the results of the thermal tolerance experiments, metacercaria infestation at studied intensities does not compromise infested ... thermal stress and freezing as a result of metacercaria infestation should not be responsible for mass mortality ... The role of the developmental stage of the metacercaria and the possibly more severe impact caused by ...
Tópico(s): Marine Bivalve and Aquaculture Studies
2000 - Inter-Research | Marine Ecology Progress Series
Abstract The metacercaria of the heterophyid digenean Cryptocotyle concavum (Creplin, 1825) Lühe 1899, as seen by light and transmission electron microscopy, ... acid pepsin. After 1 min in pepsin, the metacercaria became intermittently active, periods of rotation lasting 1– ... 1 min, after transfer to bile salts. The metacercaria emerged through a hole, which appeared in the ...
Tópico(s): Vector-borne infectious diseases
1995 - Cambridge University Press | Journal of Helminthology
Jong-Yil Chai, Sung Joon Kim, J Kook, S H Lee,
... varied from 5 to 100 Gy for the metacercaria-irradiation group and from 5 to 500 Gy ... group to obtain the same results as the metacercaria-irradiation group. The LD50 of the metacercaria-irradiation group was 4.5 Gy, whereas that ... infectivity as well as development of M. yokogawai metacercaria in rats.
Tópico(s): Helminth infection and control
1995 - Korean Society for Parasitology | Korean Journal of Parasitology
Kálmán Molnár, David I. Gibson, Gábor Cech, Melitta Papp, Petra Deák-Paulus, Lajos Juhász, Norbert Tóth, Csaba Székely,
... µm and all 19 dorsal spines of the metacercaria were of a similar size. ITS sequences of the second type of metacercaria exhibited a 100% similarity to sequences of two ... difference from sequences of the second type of metacercaria and from those of adult specimens of P. ... cormorants. Based on these results, the second type metacercaria is considered to be a larval stage of ...
Tópico(s): Parasites and Host Interactions
2015 - Institute of Parasitology of the Czech Academy of Sciences | Folia Parasitologica
Produção Nacional
Revisado por pares
R. Briosio-Aguilar, Hudson Alves Pinto, María Amparo Rodríguez-Santiago, K. López-García, Martìn García-Varela, Gerardo Pérez‐Ponce de León,
... obtained for the Mexican clinostomes and the Brazilian metacercaria were almost identical (0.2% molecular divergence), indicating ... and Clinostomum sp. 6 previously obtained from a metacercaria recovered from the cichlid Cichlasoma boliviense in Santa ... species within the genus is further required. The metacercaria of C. heluans seems to be specific to ...
Tópico(s): Vector-borne infectious diseases
2018 - American Society of Parasitologists | Journal of Parasitology
... was made by Hasegawa (1927) who found the metacercaria from the fins and scales of trout, Plecoglossus ... libertina, with a description of its cercaria and metacercaria. In 1935 Hasegawa again described the metacercaria and its adult worm under the name Exorchis ... Therefore it seems also important to distinguish this metacercaria from that of pathogenic Metagonimus, Clonorchis, etc., as ... oral spines, and also the redescription of this metacercaria, especially on its development.
Tópico(s): Helminth infection and control
1956 - National Institute of Infectious Diseases | Japanese Journal of Medical Science and Biology
G. C. Kearn, G. Cleveland, Samuel H. Wilkins,
... Apatemon) gracilis the remarkable ability to expel the metacercaria forcibly from the cyst, an event which presumably ... and trypsin following pretreatment with acid pepsin, the metacercaria is expelled in an explosive manner through a ... cyst lumen is virtually eliminated. Expulsion of the metacercaria in this explosive manner also occurs when similarly ... inward expansion of the wall occurs and the metacercaria is forcibly ejected through the perforation. A variety ... localized changes which permit the exit of the metacercaria. These observations are discussed in relation to the ...
Tópico(s): Study of Mite Species
1989 - Cambridge University Press | Journal of Helminthology