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Acta Parasitologica

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https://www.readbyqxmd.com/read/28426427/three-new-species-of-pharygodonidae-nematoda-oxyuridea-in-laudakia-tuberculata-squamata-agamidae-from-dehradun-uttarakhand-india
#1
Anjum N Rizvi, Pallab Maity, Charles R Bursey
Parapharyngodon tuberculata sp. nov., Thelandros tuberculata sp. nov. and Thelandros dehradunensis sp. nov. (Nematoda: Pharyngodonidae) from the large intestine of a rock lizard, Laudakia tuberculata Gray, 1827), are described and illustrated. Parapharyngodon tuberculata sp. nov. is the 8th Oriental species and 59th species assigned to the genus Parapharyngodon and differs from other species of the genus by possessing 3 pairs of caudal papillae, an echinate cloacal lip, 112-115 µm spicule length and postbulbar ovary...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426426/pseudopecoelus-mccauleyi-n-sp-and-podocotyle-sp-digenea-opecoelidae-from-the-deep-waters-off-oregon-and-british-columbia-with-an-updated-key-to-the-species-of-pseudopecoelus-von-wicklen-1946-and-checklist-of-parasites-from-lycodes-cortezianus-perciformes-zoarcidae
#2
REVIEW
Charles K Blend, Norman O Dronen, Gabor R Racz, Scott L Gardner
Pseudopecoelus mccauleyi n. sp. (Opecoelidae: Opecoelinae) is described from the intestine of the bigfin eelpout, Lycodes cortezianus (Gilbert, 1890) (Perciformes: Zoarcidae), collected at 200-800 m depths in the Northeastern Pacific Ocean off Oregon and Vancouver Island, British Columbia. The new species is distinguished by possessing a unique combination of the following diagnostic characters: vitelline fields that extend to the posterior margin of the ventral sucker; a slender, tubular and sinuous seminal vesicle that extends some distance into the hindbody; an unspecialized, protuberant ventral sucker; a genital pore at pharynx level; lobed to deeply multilobed testes; a lobed ovary; and an egg size of 68-80 μm × 30-46 μm...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426425/the-role-of-domestic-dogs-in-the-transmission-of-zoonotic-helminthes-in-a-rural-area-of-mekong-river-basin
#3
Marcello Otake Sato, Megumi Sato, Tippayarat Yoonuan, Tiengkham Pongvongsa, Surapol Sanguankiat, Sengchanh Kounnavong, Wanna Maipanich, Yuichi Chigusa, Kazuhiko Moji, Jitra Waikagul
Dogs have been bred since ancient times for companionship, hunting, protection, shepherding and other human activities. Some canine helminth parasites can cause significant clinical diseases in humans as Opisthorchis viverrini causing cholangiocarcinoma in Southeast Asian Countries. In this study, socio-cultural questionnaire, canine parasitological analysis, necropsy, parasite molecular confirmation and dog roaming data were evaluated in Savannakhet, Lao-PDR, a typical Mekong Basin area. Dog owners comprised 48...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426424/cdna-library-construction-of-two-human-demodexspecies
#4
DongLing Niu, RuiLing Wang, YaE Zhao, Rui Yang, Li Hu, YuYang Lei, WeiChao Dan
The research of Demodex, a type of pathogen causing various dermatoses in animals and human beings, is lacking at RNA level. This study aims at extracting RNA and constructing cDNA library for Demodex. First, P. cuniculiand D. farinaewere mixed to establish homogenization method for RNA extraction. Second, D. folliculorumand D. breviswere collected and preserved in Trizol, which were mixed with D. farinaerespectively to extract RNA. Finally, cDNA library was constructed and its quality was assessed. The results indicated that for D...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426423/the-discovery-of-acanthocephalans-parasitizing-chaetognaths
#5
Horacio Lozano-Cobo, Jaime Gómez-Gutiérrez, Carmen Franco-Gordo, María Del Carmen Gómez Del Prado-Rosas
A comprehensive literature review shows that 12 types of pathogens, micropredators and parasites are reported to interact with chaetognaths, mostly digenean trematodes, cestodes and nematodes larval stages. Through analysis of 78,152 chaetognaths from a monthly zooplankton time series (Jan 1996-Dec 1998) collected in the Mexican Central Pacific twelve acanthocephalan larvae parasitizing chaetognaths were discovered. This is the first record of an acanthocephalan parasitizing chaetognaths, raising to 13 the types of symbionts known to interact with them (excluding predators)...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426422/morphological-re-description-of-electrotaenia-malapteruri-cestoda-proteocephalidae-and-dujardinnascaris-malapteruri-nematoda-heterocheilidae-infecting-the-electric-catfish-malapterurus-electricus-and-heavy-metal-accumulation-in-host-and-parasites-in-relation
#6
Rewaida Abdel-Gaber, Fathy Abdel-Ghaffar, Mohamed Abdallah Shazly, Kareem Morsy, Saleh Al Quraishy, Sanna Mohamed, Heinz Mehlhorn
Parasites are one of the most serious limiting factors in aquaculture. The Electric catfish Malapterurus electricus was subjected to study the prevalence and mean intensity of parasitic infections throughout the whole year of 2015. Heavy metals accumulation in host fish and parasites were determined in relation to water quality and sediments of two different sites of Lake Manzala (Manzala and Bahr El-Baqar), Egypt. A total of 100 specimens of Electric catfish were collected and examined for the presence of helminth parasites...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426421/redescription-of-philometra-margolisi-moravec-vidal-mart%C3%A3-nez-et-aguirre-macedo-1995-nematoda-philometridae-a-gonad-infecting-parasite-of-the-red-grouper-epinephelus-morio-serranidae-in-the-gulf-of-mexico
#7
František Moravec, Micah D Bakenhaster, Erin H Leone
The insufficiently known nematode species Philometra margolisi Moravec, Vidal-Martínez et Aguirre-Macedo, 1995 (Philometridae) is redescribed based on light and scanning electron microscopical (SEM) examinations of specimens collected from the gonad of the type host, the red grouper Epinephelus morio (Valenciennes) (Serranidae, Perciformes), in the northern Gulf of Mexico off Florida, USA. Also, new prevalence data for females of P. margolisi were derived from 188 fish, and a subset of these (n = 38) were used to determine prevalence and intensity of male nematodes...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426420/disruption-of-egg-production-by-triclabendazole-resistant-fasciola-hepatica-following-treatment-with-a-commercial-preparation-of-myrrh-mirazid
#8
Mohamed M O Abdelaal, Gerard P Brennan, Robert E B Hanna, Ahmed Abdel-Aziz, Ian Fairweather
An in vitro study has been carried out to monitor changes to the female reproductive system in adult triclabendazole (TCBZ)-resistant Fasciola hepatica following treatment with a commercial preparation of myrrh ("Mirazid"). Flukes were immersed for 6 h and 24 h in myrrh extract at a concentration of 200 µg/ml, then processed for histological and transmission electron microscope (TEM) examination of the uterus, Mehlis' gland, ovary and vitellaria. Egg production had become abnormal at 6 h post-treatment (pt), with the uterine lumen being filled with free vitelline cells and masses of shell protein material; few eggs were present...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426419/ecological-implications-of-floods-on-the-parasite-communities-of-two-freshwater-catfishes-in-a-neotropical-floodplain
#9
Priscilla de Oliveira Fadel Yamada, Fabio Hideki Yamada, Reinaldo José da Silva, Luciano Alves Dos Anjos
The parasite communities of two freshwater catfishes (Auchenipterus osteomystax and Trachelyopterus galeatus) were analyzed during the dry and rainy seasons in a Neotropical floodplain. The nature of river-floodplain systems places specific demands on parasite community structure, due to changes in the host environment. It was therefore hypothesized that flood conditions lead to an increase in the richness and abundance of fish parasites in the rainy season at the mouth of Aguapeí River floodplain. The Auchenipterus osteomystax parasite community was richer (11 vs...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426418/first-report-on-molecular-evidence-of-tylodelphys-cerebralis-diplostomulum-cerebralis-chakrabarti-1968-digenea-diplostomidae-from-snakehead-fish-channa-punctata
#10
Anshu Chaudhary, Richa Tripathi, Shivi Gupta, Hridaya Shanker Singh
Freshwater snakehead fish, Channa punctata (Perciformes: Channidae) from Meerut (U.P.), India were screened for infection with metacercaria from the eye (vitreous humor) and brain (cranial cavity) and were analyzed by molecular methods using PCR and sequencing of the complete internal transcribed spacers (ITS1-5.8S-ITS2) of the ribosomal RNA gene. Recovered metacercariae from sites, vitreous humor and cranial cavity were previously diagnosed as Diplostomulum cerebralis Chakrabarti, 1968 on the basis of morphological characteristics...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426417/neuropathological-lesions-of-clinical-and-sub-clinical-coenurosis-coenurus-cerebralis-in-organized-goat-farms-in-india
#11
Nayakwadi Shivasharanappa, Nitika Sharma, Dinesh Kumar Sharma, Rajveer Singh Pawaiya, Beena Vamadevan, Anil Kumar Mishra, Souvik Paul
Clinical and sub clinical cases of Coenurosis due to Coenurus cerebralis in goats were documented based on clinical, post mortem examination, identification of parasitic stages, gross and histopathological lesions in brain of animals died due to abnormal neurological symptoms. The most prominent site of predilection of coenuri cysts in brain was cerebral hemispheres and multiple cysts were found in majority of the cases. Generalized congestion, thinning of brain parenchyma due to pressure atrophy, gliosis, neuronal degeneration, protoscolices in brain parenchyma and inflammatory cell reactions predominantly comprised of lymphocytes and macrophages were prominent neuropathological lesions observed in brain...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426416/how-does-host-ecology-influence-sampling-effort-in-parasite-diversity-estimates-a-case-study-using-neotropical-freshwater-fishes
#12
Fábio Hideki Yamada, Ricardo Massato Takemoto
Accurately estimating biodiversity is fundamental to ecological understanding and prediction. Helminthes are often neglected in biodiversity estimates and when included are often underestimated. Here we examine how sampling effort affects estimates of parasite diversity in an assemblage of freshwater fish from a floodplain in Brazil. We also examine how ecological and behavioral factors influence the sampling effort necessary to accurately estimate the parasite diversity associated with a fish species. We use our dataset to suggest that host species with wide geographic distribution (i...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426415/detection-of-echinococcus-multilocularis-dna-in-fruit-vegetable-and-mushroom-samples-collected-in-the-non-endemic-territory-of-the-pomerania-province-and-comparison-of-the-results-with-data-from-rural-areas-of-the-neighbouring-highly-endemic-warmia-masuria
#13
Anna Lass, Beata Szostakowska, Przemyslaw Myjak, Krzysztof Korzeniewski
Echinococcus multilocularis is a tapeworm that may cause alveolar echinococcosis (AE), one of the most dangerous parasitic zoonoses. As in the case of some foodborne diseases, unwashed fruits and vegetables contaminated with eggs of E. multilocularis may serve as an important transmission route for this parasite. The aim of this study was to investigate the presence of E. multilocularis DNA in fruit, vegetables, and mushrooms in rural areas of the Pomerania province, Poland (non-endemic territory). In total, 104 environmental fruit, vegetable, and mushroom samples collected in forests, plantations, and kitchen gardens were analysed using nested PCR based on the mitochondrial 12S rRNA gene...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426414/amoebicidal-activity-of-%C3%AE-bisabolol-the-main-sesquiterpene-in-chamomile-matricaria-recutita-l-essential-oil-against-the-trophozoite-stage-of-acanthamoeba-castellani-neff
#14
Soumaya Hajaji, Ines Sifaoui, Atteneri López-Arencibia, María Reyes-Batlle, Basilio Valladares, José E Pinero, Jacob Lorenzo-Morales, Hafidh Akkari
Acanthamoeba genus includes opportunistic pathogens which are distributed worldwide and are causative agents of a fatal encephalitis and severe keratitis in humans and other animals. Until present there are not fully effective therapeutic agents against this pathogen and thus the need to search for novel anti-amoebic compounds is urgent. Recently, essential oils of aromatic and medicinal plants have shown activity against Acanthamoeba strains. Therefore, this study was aimed to evaluate the activity of main component of chamomile essential oil (a sesquiterpene) namely α-bisabolol against the Acanthamoeba castellani Neff strain...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426413/new-record-of-steinernema-arenarium-artyukhovsky-rhabditida-steinernematidae-from-ukraine-and-a-note-on-its-distribution
#15
Yegor Yakovlev, Jiří Nermut, Vladimír Půža, Vitaliy A Kharchenko, Zdeněk Mráček
During a survey of the biodiversity of entomopathogenic nematodes in Ukraine, a population of Steinernema arenarium, strain Ch, was recovered in the sensitive Chornobyl Exclusion Zone. In the present work, this strain was morphologically and molecularly characterised using light microscopy and the sequences of the ITS and D2-D3 region of the 28S rDNA. In addition, we sequenced the ITS and D2-D3 regions of four populations of S. arenarium from a laboratory collection. Phylogenetic analyses were performed and the phylogenetic structure and geographic distribution of S...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426412/fatal-aelurostrongylosis-in-a-kitten-in-serbia
#16
Pavle Gavrilović, Milijan Jovanović, Aleksandra Gavrilović, Slađan Nešić
This paper describes a case of aelurostrongylosis in a four-month old female domestic cat (Felis catus) from South Banat, Serbia. The kitten that had died suddenly without signs of illness was autopsied in the Veterinary Specialised Institute "Pančevo". The macroscopic finding was typical of granulomatous pneumonia and subsequently, histopathology revealed verminous pneumonia. Based on the parasite morphology, it was confirmed that the lung lesions were caused by Aelurostrongylus abstrusus. The present finding contributes to the knowledge of the prevalence of this underestimated parasite in the Balkan Peninsula...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426411/toxoplasma-gondii-in-backyard-pigs-seroepidemiology-and-mouse-bioassay
#17
Erika Fernanda Torres Samico-Fernandes, Marcela Fernanda Torres Samico-Fernandes, Pedro Paulo Feitosa de Albuquerque, Jonatas Campos de Almeida, André de Souza Santos, André da Rocha Mota, Orestes Luiz de Souza Neto, Rinaldo Aparecido Mota
The aim of this study was to evaluate the occurrence of Toxoplasma gondii in backyard pigs destined for human consumption in Pernambuco state, Brazil. Blood and tissue samples (liver, heart, brain, lung and diaphragm) were collected from 224 pigs from legal slaughterhouses and tested for T. gondii infection. Antibodies to T. gondii were found in the sera of 37.9% (85/224) by using the immunofluorescence antibody test (cut-off - 1:64). Tissue samples from seropositive pigs were bioassayed in mice. Tissue samples from seropositive pigs and from mice of the bioassay were submitted to histopathology, immunohistochemistry, polymerase chain reaction (PCR) and sequencing; 14...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426410/nematode-parasites-of-the-chilean-flamingo-phoenicopterus-chilensis-phoenicopteridae-from-central-argentina-with-a-description-of-a-new-species-of-tetrameres-tetrameridae
#18
Verónica Núñez, Fabiana B Drago, María Celina Digiani, Lia I Lunaschi
During the summer of 2013, several specimens of Phoenicopterus chilensis (Phoenicopteridae) were found dead from unknown causes, in lakes from the endorheic system "Encadenadas del Oeste", Buenos Aires Province, Argentina. Two species of Nematoda were recovered from the proventriculus, one of them new for science. The tetramerid Tetrameres (Tetrameres) salina n. sp. is mainly characterized by having reduced pseudolabia, lips absent, six bifid teeth, males with lateral alae, four rows of somatic spines and length ratio of spicules 1:12-32, and large females with eggs lacking polar filaments...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426409/a-new-species-of-oochoristica-cyclophyllidea-linstowiidae-from-non-native-mediterranean-geckos-hemidactylus-turcicus-sauria-gekkonidae-from-texas-usa
#19
Chris T McAllister, Charles R Bursey
A new species of cyclophyllidean tapeworm, Oochoristica harschi sp. nov. is described from 2 of 18 (11%) non-native Mediterranean geckos (Hemidactylus turcicus) collected in June 2016 from Tom Green County, Texas, USA The new species has few characteristics in common with 17 species of Oochoristica previously described from Nearctic reptiles. Of this group, O. harschi is most similar to O. macallisteri Bursey and Goldberg, 1996 from the side-blotched lizard, Uta stansburiana from Arizona and California, USA, in number of testes, 14-20 vs...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28426408/isolation-and-molecular-characterization-of-a-naegleria-strain-from-a-recreational-water-fountain-in-tenerife-canary-islands-spain
#20
María Reyes-Batlle, Carolina Wagner, Atteneri López-Arencibia, Ines Sifaoui, Enrique Martínez-Carretero, Basilio Valladares, Jose E Piñero, Jacob Lorenzo-Morales
Free-Living Amoebae (FLA) are widely distributed protozoa in the environment and have been isolated from many sources such as dust, soil and water. Among the pathogenic genera included in this group Acanthamoeba spp., Naegleria fowleri and Balamuthia mandrillaris have been reported to be causative agents of lethal encephalitis, disseminated infections and keratitis. Naegleria fowleri is a pathogenic FLA species which causes Primary Amoebic Meningoencephalitis (PAM). At present there are not many available data on the distribution of Naegleria species in Spain from environmental sources...
June 1, 2017: Acta Parasitologica
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