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https://www.readbyqxmd.com/read/28228149/fasciolopsis-buski-digenea-fasciolidae-from-china-and-india-may-represent-distinct-taxa-based-on-mitochondrial-and-nuclear-ribosomal-dna-sequences
#1
Jun Ma, Miao-Miao Sun, Jun-Jun He, Guo-Hua Liu, Lin Ai, Mu-Xin Chen, Xing-Quan Zhu
BACKGROUND: Fasciolopsis buski is a zoonotic intestinal fluke infecting humans and pigs, but it has been seriously neglected. It is yet to know whether there is any genetic diversity among F. buski from different geographical locations, particularly in sequences of nuclear ribosomal DNA (rDNA) and mitochondrial (mt) DNA. Therefore, we determined the sequences of partial 18S, the complete internal transcribed spacer (ITS) rDNA and the complete mt genome of F. buski from China, compared the rDNA and mtDNA sequences with those of isolates from India and Vietnam, and assessed the phylogenetic relationships of this fluke and related fasciolid trematodes based on the mtDNA dataset...
February 22, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28219472/immunodiagnosis-of-paramphistomosis-using-monoclonal-antibody-based-sandwich-elisa-for-detection-of-paramphistomum-gracile-circulating-16-kda-antigen
#2
Panat Anuracpreeda, Kullanid Tepsupornkul, Runglawan Chawengkirttikul
In this study, we have produced a monoclonal antibody (MoAb) against 16 kDa antigen of Paramphistomum gracile (16 kDaAgPg), and developed an accurate sandwich enzyme-linked immunosorbent assay (sandwich ELISA) for the detection of circulating 16 kDaAg in the serum and fecal samples from cattle naturally infected with P. gracile. MoAb 1D10 was immobilized on a microtitre plate, and the antigen in the samples was captured and detected with biotinylated rabbit anti-16 kDaAgPg antibody. The lower detection limit of sandwich ELISA was 3·5 pg mL-1, and no cross-reaction with other parasite antigens was evaluated...
February 21, 2017: Parasitology
https://www.readbyqxmd.com/read/28215874/first-paleoparasitological-record-of-digenean-eggs-from-a-native-deer-from-patagonia-argentina-cueva-parque-diana-archaeological-site
#3
Beltrame María Ornela, Tietze Eleonor, Pérez Alberto Enrique, Sardella Norma Haydeé
Eggs representative of a digenean species were found in coprolites belonged to an endemic deer from Patagonia. Samples were collected from the archaeological site named "Cueva Parque Diana". This site is a cave located at the Lanín National Park, Neuquén Province, Argentina. The coprolites were dated from 2370±70 to 580±60 years B.P. The eggs were ellipsoidal, operculated, yellowish and thin-shelled. Measurements (n=65) ranged from 120.0 to 142.5 (133.2±6.53) μm long and 62.5 to 87.5 (72.6±6.15) μm wide...
February 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28215861/effects-of-anthelmintic-treatment-and-feed-supplementation-on-parasite-infections-and-morbidity-parameters-in-cambodian-cattle
#4
Veronique Dermauw, Sothy Meas, Bunthon Chea, Thierry Onkelinx, San Sorn, Davun Holl, Johannes Charlier, Jozef Vercruysse, Pierre Dorny
Helminth infections are the cause of morbidity in Cambodian cattle but other factors such as nutritional deficiencies and concurrent diseases may enhance the effects of parasites. The present study aimed to investigate the impact of anthelmintic treatment, feed supplementation, or both on gastrointestinal strongyle (GIS) and trematode infections as well as on morbidity parameters in Cambodian village cattle. At the beginning of the dry season, cattle populations in six villages were randomly assigned to a group: (A) receiving anthelmintic treatment (ivermectin+clorsulon) at week 0; (P) feed pellet supplementation during week 0-13 or both (AP)...
February 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28186433/production-of-monoclonal-antibody-against-excretory-secretory-antigen-of-fasciola-hepatica-and-evaluation-of-its-efficacy-in-the-diagnosis-of-fascioliasis
#5
Samaneh Abdolahi Khabisi, Bahador Sarkari, Abdolali Moshfe, Sedigheh Jalali
Parasitological methods are not helpful for the diagnosis of fascioliasis in acute and invasive periods of the disease. Detection of coproantigens seems to be a suitable alternative approach in the diagnosis of fascioliasis. The present study aimed to develop a reliable antigen detection system, using monoclonal antibodies raised against excretory-secretory (ES) antigen of Fasciola hepatica, for the diagnosis of fascioliasis. Fasciola adult worms were collected from the bile ducts of infected animals. Species of the fluke was determined by polymerase chain reaction-restriction fragment length polymorphism (RFLP-PCR)...
February 10, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28162101/fasciola-hepatica-infections-in-cattle-and-the-freshwater-snail-galba-truncatula-from-dakhla-oasis-egypt
#6
W M Arafa, A I Hassan, S A M Snousi, Kh M El-Dakhly, P J Holman, T M Craig, S M Aboelhadid
Infection by Fasciola species was investigated in seven districts of Dakhla Oasis, Egypt, through abattoir inspection of cattle livers for adult worms and sedimentation of faecal samples from local cattle to detect Fasciola eggs. In addition, lymnaeid snails collected from the study area were examined microscopically for developmental stages of Fasciola spp. Abattoir inspection revealed that 51 out of 458 cattle livers (11.1%) contained adult flukes, which were identified morphologically as Fasciola hepatica...
February 6, 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/28158188/dna-multigene-characterization-of-fasciola-hepatica-and-lymnaea-neotropica-and-its-fascioliasis-transmission-capacity-in-uruguay-with-historical-correlation-human-report-review-and-infection-risk-analysis
#7
María Dolores Bargues, Valeria Gayo, Jaime Sanchis, Patricio Artigas, Messaoud Khoubbane, Soledad Birriel, Santiago Mas-Coma
BACKGROUND: Fascioliasis is a pathogenic disease transmitted by lymnaeid snails and recently emerging in humans, in part due to effects of climate changes, anthropogenic environment modifications, import/export and movements of livestock. South America is the continent presenting more human fascioliasis hyperendemic areas and the highest prevalences and intensities known. These scenarios appear mainly linked to altitude areas in Andean countries, whereas lowland areas of non-Andean countries, such as Uruguay, only show sporadic human cases or outbreaks...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28152102/anthelmintic-potential-of-thymoquinone-and-curcumin-on-fasciola-gigantica
#8
Rizwan Ullah, Abdur Rehman, Mohd Faraz Zafeer, Lubna Rehman, Yasir A Khan, M A Hannan Khan, Shahper N Khan, Asad U Khan, S M A Abidi
Fasciolosis an economically important global disease of ruminants in the temperate and tropical regions, caused by Fasciola hepatica and F. gigantica, respectively, also poses a potential zoonotic threat. In India alone it causes huge losses to stakeholders. Anthelmintics including triclabendazole have been used to control this menace but the emerging resistance against the available compounds necessitates identification of novel and alternative therapeutic measures involving plant derived natural compounds for their anthelmintic potential...
2017: PloS One
https://www.readbyqxmd.com/read/28145217/rumen-fluke-calicophoron-daubneyi-on-welsh-farms-prevalence-risk-factors-and-observations-on-co-infection-with-fasciola-hepatica
#9
Rhys Aled Jones, Peter M Brophy, E Sian Mitchell, Hefin Wyn Williams
Reports of Calicophoron daubneyi infecting livestock in Europe have increased substantially over the past decade; however, there has not been an estimate of its farm level prevalence and associated risk factors in the UK. Here, the prevalence of C. daubneyi across 100 participating Welsh farms was recorded, with climate, environmental and management factors attained for each farm and used to create logistic regression models explaining its prevalence. Sixty-one per cent of farms studied were positive for C...
February 2017: Parasitology
https://www.readbyqxmd.com/read/28144910/the-calibrated-phylogeny-of-the-drosophila-fasciola-subgroup-d-repleta-group-wasserman-indicates-neogene-diversification-of-its-internal-branches
#10
F F Franco, E C C Silva, D Y Barrios-Leal, F M Sene, M H Manfrin
The species of the Drosophila fasciola subgroup Wasserman represent the dominant section of the Drosophila repleta group Wasserman in the American rainforests and have a broad geographical distribution in the New World. However, despite of its wide range, the D. fasciola subgroup is one of the most overlooked D. repleta subgroups. Here, we report a molecular phylogenetic analysis focused on the D. fasciola subgroup using two mitochondrial [cytochrome oxidase subunit I (COI), cytochrome oxidase subunit II (COII)] and two nuclear [elongation factor-1alpha F1 (EF-alphaF1) and transformer (tra)] genes...
January 31, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28143561/transcriptomic-responses-of-water-buffalo-liver-to-infection-with-the-digenetic-fluke-fasciola-gigantica
#11
Fu-Kai Zhang, Xiao-Xuan Zhang, Hany M Elsheikha, Jun-Jun He, Zhao-An Sheng, Wen-Bin Zheng, Jian-Gang Ma, Wei-Yi Huang, Ai-Jiang Guo, Xing-Quan Zhu
BACKGROUND: Fasciola gigantica, the tropical liver fluke, infects buffaloes in Asian and African countries and causes significant economic losses and poses public health threat in these countries. However, little is known of the transcriptional response of buffaloes to infection with F. gigantica. The objective of the present study was to perform the first transcriptomic analysis of buffalo liver infected by F. gigantica. Understanding the mechanisms that underpin F. gigantica infection in buffaloes will contribute to our ability to control this parasite...
February 1, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28127494/photomediated-larvicidal-activity-of-pheophorbide-a-against-cercaria-larvae-of-fasciola-gigantica
#12
Divya Jyoti Singh, Vinay Kumar Singh, D K Singh
Fasciolosis is a parasitic disease caused by Fasciola gigantica. The freshwater snail Lymnaea acuminata is the intermediate host of F. gigantica which cause endemic fasciolosis in the northern part of India. To investigate larvicidal activity of pure and laboratory extracted pheophorbide a (Pa) against cercaria larvae of F. gigantica, data were analyzed in different spectra of visible light, sunlight, and laboratory conditions. Photostimulation of chlorophyll derivative pheophorbide a (Pa) caused time and concentration dependent larvicidal activity against cercaria larvae of F...
2017: Scientifica
https://www.readbyqxmd.com/read/28114888/transcriptome-profiling-of-gene-expression-during-immunisation-trial-against-fasciola-hepatica-identification-of-genes-and-pathways-involved-in-conferring-immunoprotection-in-a-murine-model
#13
Jose Rojas-Caraballo, Julio López-Abán, Darwin Andrés Moreno-Pérez, Belén Vicente, Pedro Fernández-Soto, Esther Del Olmo, Manuel Alfonso Patarroyo, Antonio Muro
BACKGROUND: Fasciolosis remains a significant food-borne trematode disease causing high morbidity around the world and affecting grazing animals and humans. A deeper understanding concerning the molecular mechanisms by which Fasciola hepatica infection occurs, as well as the molecular basis involved in acquiring protection is extremely important when designing and selecting new vaccine candidates. The present study provides a first report of microarray-based technology for describing changes in the splenic gene expression profile for mice immunised with a highly effective, protection-inducing, multi-epitope, subunit-based, chemically-synthesised vaccine candidate against F...
January 23, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28103965/oxidative-stress-and-changes-in-adenosine-deaminase-activity-of-cattle-experimentally-infected-by-fasciola-hepatica
#14
Aleksandro S DA Silva, Matheus D Baldissera, Nathieli B Bottari, Matheus E Gabriel, Leandro A Rhoden, Manoela M Piva, Ricardo Christ, Fernanda A Stedille, Anderson Gris, Vera M Morsch, Maria Rosa Schetinger, Ricardo E Mendes
The aim of this study was to evaluate the oxidative stress in serum and liver and adenosine deaminase (ADA) activity of cattle experimentally infected by Fasciola hepatica. The group A consisted of five healthy animals (uninfected), and the group B was composed of five animals orally infected with 200 metacercariae of F. hepatica. On days 20, 40, 60 and 80 post-infection (PI) serum was collected to measure oxidative stress variables. On day 100 PI, animals were humanely euthanized and liver samples were collected...
January 20, 2017: Parasitology
https://www.readbyqxmd.com/read/28079156/a-mucin-like-peptide-from-fasciola-hepatica-instructs-dendritic-cells-with-parasite-specific-th1-polarizing-activity
#15
Verónica Noya, Natalie Brossard, Ernesto Rodríguez, L Sebastián Dergan-Dylon, Carlos Carmona, Gabriel A Rabinovich, Teresa Freire
Fasciolosis is a trematode zoonosis of interest in public health and cattle production. We report here the immunostimulatory effect of a 66 mer mucin-like peptide from Fasciola hepatica (Fhmuc), which synergizes with lipopolysaccharide (LPS) to promote dendritic cell (DC) maturation, endowing these cells with Th1-polarizing capacity. Exposure of DCs to Fhmuc in presence of LPS induced enhanced secretion of pro-inflammatory cytokines and expression of co-stimulatory molecules by DCs, promoting their T cell stimulatory capacity and selectively augmenting IFN-γ secretion by allogeneic T cells...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28060841/genomes-of-fasciola-hepatica-from-the-americas-reveal-colonization-with-neorickettsia-endobacteria-related-to-the-agents-of-potomac-horse-and-human-sennetsu-fevers
#16
Samantha N McNulty, Jose F Tort, Gabriel Rinaldi, Kerstin Fischer, Bruce A Rosa, Pablo Smircich, Santiago Fontenla, Young-Jun Choi, Rahul Tyagi, Kymberlie Hallsworth-Pepin, Victoria H Mann, Lakshmi Kammili, Patricia S Latham, Nicolas Dell'Oca, Fernanda Dominguez, Carlos Carmona, Peter U Fischer, Paul J Brindley, Makedonka Mitreva
Food borne trematodes (FBTs) are an assemblage of platyhelminth parasites transmitted through the food chain, four of which are recognized as neglected tropical diseases (NTDs). Fascioliasis stands out among the other NTDs due to its broad and significant impact on both human and animal health, as Fasciola sp., are also considered major pathogens of domesticated ruminants. Here we present a reference genome sequence of the common liver fluke, Fasciola hepatica isolated from sheep, complementing previously reported isolate from cattle...
January 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28043381/characterization-and-vaccine-potential-of-fasciola-gigantica-saposin-like-protein-1-sap-1
#17
Pornanan Kueakhai, Narin Changklungmoa, Pinkamon Waseewiwat, Thanaporn Thanasinpaiboon, Werachon Cheukamud, Pannigan Chaichanasak, Prasert Sobhon
The recombinant Fasciola gigantica Saposin-like protien-1 (rFgSAP-1) was cloned by polymerase chain reaction (PCR) from NEJ cDNA, expressed in Escherichia coli BL21 (DE3) and used for production of a polyclonal antibody in rabbits (anti-rFgSAP-1). By immunoblotting and immunohistochemistry, rabbit IgG anti-rFgSAP-1 reacted with rFgSAP-1 at a molecular weight 12kDa, but not with rFgSAP-2. The rFgSAP-1 reacted with antisera from mouse infected with F. gigantica metacercariae collected at 2, 4, and 6 weeks after infection...
January 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28026895/self-fertilization-long-distance-flash-invasion-and-biogeography-shape-the-population-structure-of-pseudosuccinea-columella-at-the-worldwide-scale
#18
M Lounnas, A C Correa, A A Vázquez, A Dia, J S Escobar, A Nicot, J Arenas, R Ayaqui, M P Dubois, T Gimenez, A Gutiérrez, C González-Ramírez, O Noya, L Prepelitchi, N Uribe, C Wisnivesky-Colli, M Yong, P David, E S Loker, P Jarne, J P Pointier, S Hurtrez-Boussès
Population genetic studies are efficient for inferring the invasion history based on a comparison of native and invasive populations, especially when conducted at species scale. An expected outcome in invasive populations is variability loss, and this is especially true in self-fertilizing species. We here focus on the self-fertilizing Pseudosuccinea columella, an invasive hermaphroditic freshwater snail that has greatly expanded its geographic distribution and that acts as intermediate host of Fasciola hepatica, the causative agent of human and veterinary fasciolosis...
December 27, 2016: Molecular Ecology
https://www.readbyqxmd.com/read/28000591/relative-importance-of-meteorological-and-geographical-factors-in-the-distribution-of-fasciola-hepatica-infestation-in-farmed-sheep-in-qinghai-province-china
#19
Hongyu Qin, Xiang Gao, Hongbin Wang, Jianhua Xiao
Fasciola hepatica is an important trematode parasite of economic importance that infests sheep and cattle worldwide. We conducted a detailed investigation into the spatial distribution of F. hepatica infestation in farmed sheep in Qinghai (Wutumeiren) province, Mainland China. Mathematical modelling was used to assess the inter-relationships between meteorological and geographical factors and the risk of F. hepatica infestation across the province. A capture enzyme-linked immunosorbent assay (ELISA) test (MM3-SERO) was used to detect F...
2016: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/27957438/molecular-characterization-of-animal-fasciola-spp-isolates-from-kermanshah-western-iran
#20
Arezoo Bozorgomid, Naser Nazari, Hamzeh Rahimi, Eshrat Beigom Kia, Homa Hajjaran, Mehdi Mohebali, Mojgan Aryaeipour, Peyman Heidarian, Mohammad Saeid Ezati, Mohamad Bagher Rokni
BACKGROUND: We evaluated the genetic diversity of samples identified morphologically as Fasciola spp. from sheep, cattle and goat from Kermanshah Province, western Iran using PCR-RFLP method. METHODS: We used PCR-RFLP analysis of ribosomal ITS1 fragment using RsaI restriction enzyme to investigate the genetic characteristics of Fasciola species obtained from different hosts (16 sheep, 28 cattle, 4 goats). The species of Fasciola were confirmed by sequencing the 700 bp region of ribosomal ITS1 gene...
October 2016: Iranian Journal of Public Health
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