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Folia Parasitologica

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https://www.readbyqxmd.com/read/28664868/observations-on-non-random-distribution-of-spores-of-henneguya-spp-cnidaria-myxosporea-myxobolidae-within-plasmodia
#1
Jorge C Eiras, Manuel Cruz, Cristina Cruz, Aurelia Saraiva, Edson A Adriano, Csaba Szekely, Kalman Molnar
Species of the cnidarian genus Henneguya Thélohan, 1892 (Myxosporea: Myxobolidae) are histozoic parasites commonly found in freshwater and, more rarely, in marine fish. The development of these parasites in fish tissues includes the formation of plasmodia within which occurs the sporogony originating spores with two caudal processes, which are usually randomly distributed within the plasmodia. In this report the authors present some cases of non-random distribution of the spores of six species of Henneguya within their plasmodia...
June 20, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28620152/cryptosporidium-meleagridis-and-c-baileyi-apicomplexa-in-domestic-and-wild-birds-in-algeria
#2
Abd Elkarim Laatamna, Nikola Holubova, Bohumil Sak, Martin Kvac
A total of 345 faecal samples were collected from domestic, captive and wild birds in rural areas, urban areas and a Zoo in Algeria. Samples were screened for the presence of parasites belonging to the genus Cryptosporidium Tyzzer, 1910 by microscopy and PCR analysis of the small-subunit rRNA (SSU), actin and 60-kDa glycoprotein (gp60) genes. Cryptosporidium spp. were detected in 31 samples. Sequence analysis of SSU and actin genes revealed the presence of C. baileyi Current, Upton et Haynes, 1986 in domestic chicken broilers (n = 12), captive ostriches (n = 4) and a wild mallard (n = 1), and C...
June 13, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28620151/reproductive-innovation-and-the-recognition-of-a-new-genus-within-the-polystomatidae-monogenea-infecting-chelonian-vertebrates
#3
Richard C Tinsley
Polystomatid monogeneans have a wide diversity of life cycles correlated with the varied ecology and behaviour of their aquatic vertebrate hosts. Typically, transmission involves a swimming infective larva but most hosts are amphibious and invasion is interrupted when hosts leave water. A key life cycle adaptation involves a uterus that, in the most specialised cases, may contain several hundred fully-developed larvae prepared for instant host-to-host transmission. By contrast, one subfamily of the Polystomatidae - the Polystomoidinae, specific to chelonians (freshwater turtles) - has a simplified reproductive system without a uterus...
June 7, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28561739/inactivation-of-proteolytic-enzymes-by-eubothrium-rugosum-cestoda-from-the-gut-of-burbot-lota-lota
#4
Galina I Izvekova, TatyanaV Frolova, Evgeny I Izvekov
Parasitic organisms inhabiting the alimentary canal should permanently resist the destructive action of host digestive enzymes. The intestinal parasites were shown to produce specific protease inhibitors protecting them from proteolysis. However, little is known about this adaptive mechanism in cestodes so far, especially for the tapeworms dwelling inside the fish intestines. Here, we explored the ability to inactivate proteolytic enzymes in the fish tapeworm Eubothrium rugosum (Batsch, 1786) (Bothriocephalidea) parasitising the intestine of wild burbot, Lota lota (Linnaeus)...
May 9, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28561740/a-new-genus-of-proteocephalid-tapeworm-cestoda-from-the-marbled-swamp-eel-synbranchus-marmoratus-bloch-synbranchiformes-synbranchidae-in-the-river-paran%C3%A3-basin-argentina
#5
Nathalia J Arredondo, Philippe Vieira Alves, Alicia A Gil de Pertierra
Synbranchiella gen. n. is proposed to accommodate Synbranchiella mabelae sp. n. (Proteocephalidae: Monticelliinae) from the intestine of the marbled swamp eel Synbranchus marmoratus Bloch, in the River Colastiné, a tributary of the middle River Paraná in Argentina. The new genus is placed in the Monticelliinae because of the cortical position of the genital organs. It differs from all known monticelliine genera by the following combination of characters: (i) scolex robust, with a conical apex, without metascolex; (ii) biloculate suckers with a conspicuous septum separating unequally-sized loculi and a robust non-adherent area, lacking free posterior margin; (iii) vitelline follicles in two narrow lateral bands, extended throughout the nearly entire proglottid length; (iv) vagina always anterior to the cirrus-sac, with an inconspicuous vaginal sphincter; (v) a genital pore pre-equatorial...
May 5, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28443821/two-new-species-of-tetragonocephalum-cestoda-lecanicephalidea-from-pastinachus-sephen-myliobatiformes-dasyatidae-from-the-gulf-of-oman
#6
Atabak Roohi Aminjan, Malek Masoumeh
In the present study two new species of Tetragonocephalum Shipley et Hornell, 1905, T. mackenziei sp. n. and T. kazemii sp. n., are described from the spiral intestine of the cowtail stingray, Pastinachus sephen (Forsskål), from the northern coast of the Gulf of Oman. Tetragonocephalum mackenziei is distinguished from the 16 other valid species of Tetragonocephalum by a unique combination of characteristics, i.e. sperm-filled seminal receptacle in immature proglottids, body length (7.7-17.5 mm), body width (213-288 µm), number of proglottids (34-49), number of testes (10-14), size of scolex (228-315 µm × 213-288 µm) and size of acetabula (56-73 µm × 61-75 µm)...
April 24, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28443822/an-eight-year-survey-of-the-intestinal-parasites-of-carnivores-hoofed-mammals-primates-ratites-and-reptiles-in-the-ljubljana-zoo-in-slovenia
#7
Pavel Kvapil, Marjan Kastelic, Alenka Dovc, Eva Bartova, Petr Cizek, Natacha Lima, Spela Strus
Problems with parasitic infections and their interspecies transmissions are common in zoological gardens and could pose serious health damage to captive animals. This study presents results of eight-year monitoring of intestinal parasites in animals from Zoo Ljubljana, Slovenia. A total of 741 faecal samples from 40 animal species were collected two to four times per year and examined microscopically. Intestinal parasites were detected in 45% of samples, with detection of helminths (Cestoda, Nematoda - Ascaridida, Enoplida, Strongylida, Oxyurida, Rhabditida and Trichurida) and protists (Apicomplexa and Ciliophora) in 25% and 13% of samples, respectively; mixed infection was found in 7% of samples...
April 21, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28443823/gene-expression-oxidative-stress-and-apoptotic-changes-in-rabbit-ileum-experimentally-infected-with-eimeria-intestinalis
#8
Heba M Abdel-Haleem, Shawky M Aboelhadid, Thabet Sakran, Gamal El-Shahawy, Huda El-Fayoumi, Saleh Al-Quraishy, Abdel-Azeem S Abdel-Baki
Coccidiosis is a parasitic disease caused by protists (apicomplexans) of the genus Eimeria Schneider, 1875 and is considered to be the most important disease faced by rabbit breeders due to its high morbidity. In the present study, the antioxidant status and changes in apoptosis and in the expression of some genes were quantified in rabbits' ilea following infection with Eimeria intestinalis Cheissin, 1948. Rabbits, orally infected with 1 × 10(5) sporulated oocysts of E. intestinalis, started to shed oocysts in their faeces on 8 days post infection (dpi) and reached maximum excretion on 10 dpi, with approximately 5 million oocysts...
April 19, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28402282/two-new-species-of-nematode-parasites-cucullanus-epinepheli-sp-n-cucullanidae-and-procamallanus-spirocamallanus-sinespinis-sp-n-camallanidae-from-marine-serranid-and-haemulid-fishes-off-new-caledonia
#9
Frantisek Moravec, Jean-Lou Justine
Based on light and scanning electron microscopical studies, two new species of parasitic nematodes are described from marine perciform fishes off New Caledonia: Cucullanus epinepheli sp. n. (Cucullanidae) from the intestine of the brownspotted grouper Epinephelus chlorostigma (Valenciennes) (Serranidae) and Procamallanus (Spirocamallanus) sinespinis sp. n. from the intestine of the silver grunt Pomadasys argenteus (Forsskål) (Haemulidae). Cucullanus epinepheli sp. n. differs from its congeners mainly in possessing a unique structure of the anterior, elevated cloacal lip with a large posterior outgrowth covering the cloacal aperture and in the presence of cervical alae and two small preanal papillae on the median dome-shaped precloacal elevation...
April 5, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28402284/three-new-genera-of-rhinebothriidean-cestodes-from-stingrays-in-southeast-asia
#10
Janine N Caira, Claire J Healy, Fernando P L Marques, Kirsten Jensen
Three genera of rhinebothriideans, previously referred to as New genus 1, New genus 2 and New genus 4, are erected in the the Anthocephaliidae. New genus 1 is established as Divaricobothrium gen. n., with Divaricobothrium tribelum sp. n. as its type species; Echeneibothrium trifidum Shipley et Hornell, 1906 is transferred to the genus as Divaricobothrium trifidum (Shipley et Hornell, 1906) comb. n. This genus is unique among rhinebothriidean genera in bearing bothridia that are posteriorly deeply divided into two lobes with facial loculi but no apical sucker, and a vagina that extends to near the anterior margin of the proglottid...
April 4, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28402283/some-nematodes-including-two-new-species-from-freshwater-fishes-in-the-sudan-and-ethiopia
#11
Frantisek Moravec, Tomas Scholz
Fourteen species (twelve adult and two larval) of nematodes belonging to the Ascaridoidea, Camallanoidea, Cosmocercoidea, Habronematoidea, Oxyuroidea, Seuratoidea and Trichinelloidea were collected from fishes in the Sudan (River Nile and Atbara Dam Lake), whereas only four species (one adult and three larval) of the Ascaridoidea, Camallanoidea, Dioctophymatoidea and Trichinelloideafrom fishes in Ethiopia (Lake Tana). The Sudanese material also contained two previously unknown species, Cucullanus mormyri sp...
April 4, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28402281/new-species-of-aberrapex-jensen-2001-cestoda-lecanicephalidea-from-eagle-rays-of-the-genus-myliobatis-cuvier-myliobatiformes-myliobatidae-from-off-argentina
#12
Adriana Menoret, Leonardo Mutti, Veronica A Ivanov
Three new species of Aberrapex Jensen, 2001 (Cestoda: Lecanicephalidea) have been collected from species of Myliobatis Cuvier along the coast of Argentina. Aberrapex ludmilae sp. n. parasitises M. goodei Garman in the San Matías Gulf. This species is unique in a combination of features including the shape and extent of the uterus, scolex size, testis distribution, and by lacking an external seminal vesicle and postovarian vitelline follicles. Aberrapex sanmartini sp. n. from M. goodei in San Blas Bay and A...
April 4, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28360380/genetic-diversity-of-echinococcus-multilocularis-in-red-foxes-in-poland-the-first-report-of-a-haplotype-of-probable-asian-origin
#13
Jacek Karamon, Krzysztof Stojecki, Malgorzata Samorek-Pierog, Ewa Bilska-Zajac, Miroslaw Rozycki, Ewa Chmurzynska, Jacek Sroka, Jolanta Zdybel, Tomasz Cencek
The aim of the present study was to estimate the genetic diversity of the cestode Echinococcus multilocularis Leuckart, 1863 in Poland based on sequence analysis of the mitochondrial genes of worms isolated from red foxes, Vulpes vulpes (Linnaeus). Overall, 83 adults of E. multilocularis from the same number of foxes in different parts of Poland were used for analysis. Sequences of the three mitochondrial genes, cytochrome b (cob), NADH dehydrogenase subunit 2 (nad2) and cytochrome c oxidase subunit 1 (cox1), were analysed...
March 9, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28246373/serological-diagnosis-of-cystic-echinococcosis-in-cattle
#14
Aitbay K Bulashev, Zhanbolat A Suranshiev, Orken S Akibekov, Zhanara Zh Akanova, Gulmira A Abulgazimova
An IgM murine monoclonal antibody (MAb) was obtained against the excretory-secretory antigen (ES-Ag) of in vitro reared protoscoleces of Echinococcus granulosus (Batsch, 1786). Western blotting revealed that the MAb recognised a 20.6 kDa protein of this ES-Ag. The MAb was used in sandwich enzyme-linked immunosorbent assay (s-ELISA) for selective sensitisation of the solid phase with the protoscolex-specific protein from its ES-Ag and somatic antigen (S-Ag) to examine serum samples of 108 cows from a cystic echinococcosis (CE) endemic area for specific antibodies and to compare the results with those from necropsies and an indirect ELISA (i-ELISA)...
February 17, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28246372/a-novel-stage-specific-glycosomal-nucleoside-diphosphate-kinase-from-trypanosoma-cruzi
#15
Maria de Los Milagros Camara, Leon Bouvier, Chantal Reigada, Fabio A Digirolamo, Melisa Saye, Claudio A Pereira
Nucleoside diphosphate kinases (NDPK) are key enzymes involved in the intracellular nucleotide maintenance in all living organisms, especially in trypanosomatids which are unable to synthesise purines de novo. Four putative NDPK isoforms were identified in the Trypanosoma cruzi Chagas, 1909 genome but only two of them were characterised so far. In this work, we studied a novel isoform from T. cruzi called TcNDPK3. This enzyme presents an atypical N-terminal extension similar to the DM10 domains. In T. cruzi, DM10 sequences targeted other NDPK isoform (TcNDPK2) to the cytoskeleton, but TcNDPK3 was localised in glycosomes despite lacking a typical peroxisomal targeting signal...
February 17, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28246374/a-new-genus-with-two-new-species-of-lecanicephalidean-tapeworms-cestoda-from-the-mangrove-whipray-urogymnus-granulatus-myliobatiformes-dasyatidae-from-the-solomon-islands-and-northern-australia
#16
Kaylee S Herzog, Kirsten Jensen
A new lecanicephalidean genus is erected for cestodes previously recognised as "New Genus 12" (Polypocephalidae) in a phylogenetic analysis of the interrelationship of members of this order. Examination of the cestode fauna of the mangrove whipray, Urogymnus granulatus (Macleay) (Myliobatiformes: Dasyatidae) from the Solomon Islands and northern Australia revealed the existence of specimens representing two new species, consistent in morphology with "New Genus 12." Corollapex gen. n. is unique among the 24 valid lecanicephalidean genera in its possession of an apical organ in the form of an external retractable central disk surrounded by eight concave muscular, membrane-bound pads and an internal heterogeneous glandular component...
February 6, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28148907/seroprevalence-of-toxoplasma-gondii-in-hunted-wild-boars-sus-scrofa-from-southeastern-france
#17
Cedric Roqueplo, Radu Blaga, Marie Jean-Lou, Isabelle Vallee, Bernard Davoust
Toxoplasma gondii (Nicolle et Manceaux, 1908) is an obligate intracellular, parasitic protozoan within the phylum Apicomplexa that causes toxoplasmosis in mammalian hosts (including humans) and birds. Since meat of wild boar, Sus scrofa (Linnaeus), has been demonstrated to be a potential source of human infection, a careful evaluation of the prevalence of infection with T. gondii in hunted animals is needed to protect public health. In the Var area in southeastern France, we performed a spatio-temporal survey in order to investigate the prevalence of IgG antibodies in wild boars shot by hunters in the Canjuers military camp during two subsequent hunting seasons...
January 25, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28148905/zoonotic-enterocytozoon-bieneusi-in-raw-wastewater-in-zhengzhou-china
#18
Jianbin Ye, Yan Ji, Jia Xu, Ke Ma, Xuepeng Yang
Contamination of Enterocytozoon bieneusi Desportes, Charpentier, Galian, Bernard, Cochand-Priollet, Laverne, Ravisse, et Modigliani, 1985 in water sources may cause outbreaks of microsporidiosis. To examine the occurrence of E. bieneusi, 108 raw wastewater samples were collected from three wastewater treated plants in Zhengzhou, China. In total, 46 samples were PCR positive for E. bieneusi. A total of 15 ITS genotypes was identified, including ten known genotypes (D, BEB6, I, J, PigEbIX, PigEBITS5, EbpA, Peru6, Peru8, Type IV) and five novel genotypes (HNWW1, HNWW2, HNWW3, HNWW4, HNWW5)...
January 18, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28148906/myxobolus-taibaiensis-sp-n-myxozoa-myxosporea-infecting-the-intestinal-wall-of-common-carp-cyprinus-carpio-linnaeus-in-china
#19
Xinhua Liu, Congjie Hua, Qianqian Zhang, Yuanli Zhao, Dong Zhang, Jinyong Zhang
Myxobolus taibaiensis sp. n. was found in the inner intestinal wall of common carp, Cyprinus carpio Linnaeus, during the investigation of fish parasite fauna in Lake Taibai, located in the middle reach of the Yangtze River, China. The whitish ellipsoidal plasmodia, up to 2.9 mm long and 1.7 mm wide, developed in the circular muscle layer of the intestinal wall and produced significant compression into adjacent tissues, but no significant inflammatory responses were observed against this infection. Mature spores are oval in frontal view and lemon-like in lateral and apical view, averaging 10...
January 10, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28003567/a-new-species-of-spirorchis-maccallum-1918-digenea-schistosomatoidea-and-spirorchis-cf-scripta-from-chicken-turtle-deirochelys-reticularia-emydidae-with-an-emendation-and-molecular-phylogeny-of-spirorchis
#20
Jackson R Roberts, Raphael Orelis-Ribeiro, Kenneth M Halanych, Cova R Arias, Stephen A Bullard
Chicken turtles, Deirochelys reticularia (Latreille in Sonnini et Latreille) (Testudines: Emydidae) from Alabama, USA were infected by Spirorchis collinsi Roberts et Bullard sp. n. and Spirorchis cf. scripta. The new species is most easily differentiated from its congeners by the combination of having caeca that extend far beyond the genitalia, intercaecal genitalia positioned in the middle portion of the body, a testicular column that nearly abuts the caecal bifurcation, a cirrus sac positioned between the testes and ovary, a massive Mehlis' gland, an elongate, longitudinal metraterm that extends anteriad beyond the level of the ovary, a pre-ovarian genital pore, and a prominent, intercaecal Manter's organ...
December 20, 2016: Folia Parasitologica
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