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Parasite: Journal de la Société Française de Parasitologie

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https://www.readbyqxmd.com/read/28367800/vaccination-with-recombinant-adenovirus-expressing-multi-stage-antigens-of-toxoplasma-gondii-by-the-mucosal-route-induces-higher-systemic-cellular-and-local-mucosal-immune-responses-than-with-other-vaccination-routes
#1
Ting Wang, Huiquan Yin, Yan Li, Lingxiao Zhao, Xiahui Sun, Hua Cong
Toxoplasmosis caused by Toxoplasma gondii, an obligate intracellular protozoan, is a cause of congenital disease and abortion in humans and animals. Various vaccination strategies against toxoplasmosis in rodent models have been used in the past few decades; however, effective vaccines remain a challenge. A recombinant adenovirus vaccine expressing ubiquitin-conjugated multi-stage antigen segments (Ad-UMAS) derived from different life-cycle stages of T. gondii was constructed previously. Here, we compared the immune responses and protection effects in vaccination of mice with Ad-UMAS by five vaccination routes including intramuscular (i...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28322722/in-vitro-effect-of-two-commercial-anti-coccidial-drugs-against-myxospores-of-kudoa-septempunctata-genotype-st3-myxozoa-multivalvulida
#2
Meejung Ahn, Seunghwan Won, Bongjo Kang, Po Gong, Eunho Yoo, Subramanian Dharaneedharan, Yeounghwan Jang
Kudoa septempunctata (Myxozoa: Multivalvulida) myxospores infect the trunk muscles of olive flounder (Paralichthys olivaceus). In this study, two popular commercially formulated anti-coccidial drugs (amprolium hydrochloride and toltrazuril) were serially diluted and incubated with purified mature Kudoa septempunctata myxospores. The viability of K. septempunctata spores was determined after a 2-day incubation followed by Hoechst 33342 and propidium iodide staining, and scanning electron microscopy. Amprolium hydrochloride significantly decreased spore viability (18% of control) at a concentration of 920 μg/mL, whereas toltrazuril showed almost no effect (83% of control)...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28322721/seroprevalence-of-toxoplasma-gondii-infection-in-domestic-cats-in-central-china
#3
Shuai Wang, Yonghua Zhou, Jingyuan Niu, Qing Xie, Tingwei Xiao, Yunchao Chen, Han Li, Chenchen Ma, Haizhu Zhang, Shiguo Liu, Zhenchao Zhang
To investigate the seroprevalence of Toxoplasma gondii infection in domestic cats in central China, 843 serum samples were collected in Henan province between March 2015 and May 2016 and tested for IgG antibodies against T. gondii using the enzyme-linked immunosorbent assay (ELISA). The overall seroprevalence of T. gondii was 21% (178/843). No significant difference was observed based on the sex of cats (p > 0.05). Significantly higher seroprevalence (p < 0.05) was observed in mixed-breed cats (24%) compared to purebred cats (17%)...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28287391/seroprevalence-of-toxoplasma-gondii-in-domestic-pets-from-metropolitan-regions-of-panama
#4
Claudia Rengifo-Herrera, Edwin Pile, Anabel García, Alexander Pérez, Dimas Pérez, Felicia K Nguyen, Valli de la Guardia, Rima Mcleod, Zuleima Caballero
Toxoplasmosis is a worldwide zoonotic disease but information regarding domestic animals in Central America is scarce and fragmented. The aim of this study was to determine the seroprevalence of Toxoplasma gondii in domestic cats and dogs in different metropolitan regions of Panama. A total of 576 samples were collected; sera from 120 cats and 456 dogs were tested using a commercial indirect enzyme-linked immunosorbent assay (ELISA). The overall seroprevalence of IgG antibodies was 30.73%. There is high seroprevalence of T...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28287390/species-of-philometra-nematoda-philometridae-from-fishes-off-the-mediterranean-coast-of-africa-with-a-description-of-philometra-rara-n-sp-from-hyporthodus-haifensis-and-a-molecular-analysis-of-philometra-saltatrix-from-pomatomus-saltatrix
#5
František Moravec, Amira Chaabane, Lassad Neifar, Delphine Gey, Jean-Lou Justine
Two gonad-infecting species of Philometra Costa, 1845 (Nematoda, Philometridae) were recorded for the first time from marine perciform fishes off Tunisia and Libya: Philometra rara n. sp. from the rare, deep-water Haifa grouper Hyporthodus haifensis (Serranidae) off Libya and Philometra saltatrix Ramachandran, 1973 from the bluefish Pomatomus saltatrix (Pomatomidae) off Tunisia. Identification of both fish species was confirmed by molecular barcoding. Light and scanning electron microscope studies of Ph. rara n...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28224883/seroprevalence-of-toxoplasma-gondii-infection-in-zoo-and-domestic-animals-in-jiangxi-province-china
#6
Houqiang Luo, Kun Li, Hui Zhang, Ping Gan, Muhammad Shahzad, Xiaoxing Wu, Yanfang Lan, Jiaxiang Wang
Toxoplasma gondii is a zoonotic protozoan parasite that infects a wide range of warm-blooded animals throughout the world. In the present study, antibodies to T. gondii were determined using a commercial indirect hemagglutination (IHA) test in wild animals in a zoo. Three of 11 giraffes (Giraffa camelopardalis) (27%), 1 of 5 wolves (Canis lupus laniger) (20%), 1 of 6 hippopotamuses (Hippopotamus amphibious) (17%), and 2 of 9 tundra swans (Cygnus columbianus) (22%) were found to be positive. No antibodies were detected in leopards (Panthera pardus), wild geese (Anser cygnoides), and Eastern grey kangaroos (Macropus giganteus)...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28145223/light-and-transmission-electron-microscopy-of-cepedea-longa-opalinidae-from-fejervarya-limnocharis
#7
Can Li, Xiao Jin, Ming Li, Guitang Wang, Hong Zou, Wenxiang Li, Shangong Wu
Cepedea longa Bezzenberger, 1904, collected from Fejervarya limnocharis (Amphibia, Anura, Ranidae) from Honghu Lake, Hubei Province, China in May-July 2016, is described at both light and transmission electron microscope levels. This is the first electron microscopic study of this species. Cepedea longa possesses a developed fibrillar skeletal system, composed of longitudinal fibrillar bands and transversal fibrils as well as numerous thin microfibrils dispersed in the endoplasm, which may play an important role in morphogenesis and offer some resilience to deformations of the cell...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28145222/protective-immunity-against-toxoplasmosis-in-mice-induced-by-single-dose-immunization-with-rsag1-2-protein-released-from-poly-lactide-co-glycolide-microparticles
#8
Shu-Chun Chuang, Yao-Chi Chung, Chung-Da Yang
Triphasic sustained release of tachyzoite chimeric protein, rSAG1/2, from poly(lactide-co-glycolide) (PLG)-encapsulated rSAG1/2 (PLG-rSAG1/2) microparticles (MPs) is a promising characteristic for developing a single-dose vaccine against Toxoplasma gondii in domestic animals. In the present study, we aimed to evaluate whether single immunization with PLG-rSAG1/2 MPs in BALB/c mice would achieve effective immunity and protection against T. gondii. Peritoneal immunization of mice with a single dose of PLG-rSAG1/2 MPs enhanced serum IgG titers and lymphocyte proliferation in a triphasic model over a long 12-week period...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28145221/molecular-identification-of-trypanosome-species-in-trypanotolerant-cattle-from-the-south-of-gabon
#9
Gaël Darren Maganga, Jacques-François Mavoungou, Nadine N'dilimabaka, Ivan Cyr Moussadji Kinga, Bertrand Mvé-Ondo, Illich Manfred Mombo, Barthélémy Ngoubangoye, Brieuc Cossic, Clency Sylde Mikala Okouyi, Alain Souza, Eric Maurice Leroy, Brice Kumulungui, Benjamin Ollomo
The aim of this study was to provide information on trypanosome species infecting trypanotolerant cattle from southern Gabon. The study was conducted on 224 trypanotolerant cattle from three regions located in southern Gabon, using ITS1 primer-based PCR. Seventy-two (32%) N'dama cattle were found polymerase chain reaction (PCR) positive with trypanosomes. The overall prevalence of trypanosomosis was 57% (63/110), 4% (4/100), and 36% (5/14) in the Gala section of the Nyanga ranch, the Miyama ranch, and Ossiele, respectively...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28134093/population-dynamics-of-mosquito-species-in-a-west-nile-virus-endemic-area-in-madagascar
#10
Luciano Michaël Tantely, Catherine Cêtre-Sossah, Tsiriniaina Rakotondranaivo, Eric Cardinale, Sébastien Boyer
Human and animal serological surveys suggest that West Nile virus (WNV) circulation is widely distributed in Madagascar. However, there are no reported West Nile fever outbreaks or epizootics in the country and only one fatal human case has been reported to date. Currently there is very limited information on the maintenance and the transmission of WNV in Madagascar and particularly on the mosquito species involved in transmission cycles. In 2014, we initiated a study to investigate mosquito species composition, relative abundance, and trophic behavior in Mitsinjo District close to Lake Kinkony, a WNV endemic area in north-western Madagascar...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28134092/canine-visceral-leishmaniasis-in-the-metropolitan-area-of-s%C3%A3-o-paulo-pintomyia-fischeri-as-potential-vector-of-leishmania-infantum
#11
Fredy Galvis-Ovallos, Mariana Dantas da Silva, Giulia Baldaconi da Silva Bispo, Alessandra Gutierrez de Oliveira, José Rodriguez Gonçalves Neto, Rosely Dos Santos Malafronte, Eunice Aparecida Bianchi Galati
American visceral leishmaniasis is a zoonosis caused by Leishmania infantum and transmitted mainly by Lutzomyia longipalpis. However, canine cases have been reported in the absence of this species in the Greater São Paulo region, where Pintomyia fischeri and Migonemyia migonei are the predominant species. This raises the suspicion that they could be acting as vectors. Therefore, this study sought to investigate specific vector capacity parameters of these species and to compare them with those of Lu. longipalpis s...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28098070/epidemiology-of-cryptosporidium-infection-in-cattle-in-china-a-review
#12
Chao Gong, Xue-Feng Cao, Lei Deng, Wei Li, Xiang-Ming Huang, Jing-Chao Lan, Qi-Cheng Xiao, Zhi-Jun Zhong, Fan Feng, Yue Zhang, Wen-Bo Wang, Ping Guo, Kong-Ju Wu, Guang-Neng Peng
The present review discusses the findings of cryptosporidiosis research conducted in cattle in China and highlights the currently available information on Cryptosporidium epidemiology, genetic diversity, and distribution in China, which is critical to understanding the economic and public health importance of cryptosporidiosis transmission in cattle. To date, 10 Cryptosporidium species have been detected in cattle in China, with an overall infection rate of 11.9%. The highest rate of infection (19.5%) was observed in preweaned calves, followed by that in juveniles (10...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28008825/simulating-the-elimination-of-sleeping-sickness-with-an-agent-based-model
#13
Pascal Grébaut, Killian Girardin, Valentine Fédérico, François Bousquet
Although Human African Trypanosomiasis is largely considered to be in the process of extinction today, the persistence of human and animal reservoirs, as well as the vector, necessitates a laborious elimination process. In this context, modeling could be an effective tool to evaluate the ability of different public health interventions to control the disease. Using the Cormas(®) system, we developed HATSim, an agent-based model capable of simulating the possible endemic evolutions of sleeping sickness and the ability of National Control Programs to eliminate the disease...
2016: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28008824/triloculotrema-euzeti-n-sp-monogenea-monocotylidae-from-the-nasal-tissues-of-the-blackspotted-smooth-hound-mustelus-punctulatus-carcharhiniformes-triakidae-from-off-tunisia
#14
Lobna Boudaya, Lassad Neifar
Triloculotrema euzeti n. sp. (Monogenea, Monocotylidae, Merizocotylinae) is described from the nasal tissues of the blackspotted smooth-hound Mustelus punctulatus collected from the coastal marine waters off Tunisia. The new parasite species is distinguished from the other two species of the genus, T. japanicae Kearn, 1993 and T. chisholmae Justine, 2009, by the morphology of the sclerotised male copulatory organ which has longitudinal ridges. The species is also characterised by its oötype with short descending and ascending limbs (long and more convoluted in the other two species)...
2016: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28004635/host-specificity-and-the-structure-of-helminth-parasite-communities-of-fishes-in-a-neotropical-river-in-mexico
#15
Guillermo Salgado-Maldonado, María Teresa Novelo-Turcotte, Juan Manuel Caspeta-Mandujano, Gabriela Vazquez-Hurtado, Benjamin Quiroz-Martínez, Norman Mercado-Silva, Mario Favila
In a tropical locality of Río La Antigua, Veracruz, Mexico, 11 fish species, represented by 244 individual fish from six freshwater fish families living sympatrically and synchronically, were examined for helminth parasites. A total of 36 taxa of helminths were recorded, 24 autogenic and 12 allogenic forms, including 6 monogeneans, 14 trematodes, 1 cestode, and 15 nematodes. Most helminth taxa were recovered for 10/11 of the component communities we analyzed. The results contribute empirical evidence that host specificity is an important force in the development of helminth communities of freshwater fishes...
2016: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28004634/polymorphisms-in-k13-pfcrt-pfmdr1-pfdhfr-and-pfdhps-in-parasites-isolated-from-symptomatic-malaria-patients-in-burkina-faso
#16
Anyirékun Fabrice Somé, Hermann Sorgho, Issaka Zongo, Thomas Bazié, Frédéric Nikiéma, Amadé Sawadogo, Moussa Zongo, Yves-Daniel Compaoré, Jean-Bosco Ouédraogo
BACKGROUND: The emergence of resistance to artemisinin derivatives in western Cambodia is threatening to revert the recent advances made toward global malaria control and elimination. Known resistance-mediating polymorphisms in the K13, pfcrt, pfmdr1, pfdhfr, and pfdhps genes are of greatest importance for monitoring the spread of antimalarial drug resistance. METHODS: Samples for the present study were collected from 244 patients with uncomplicated malaria in health centers of Bobo-Dioulasso, Burkina Faso...
2016: Parasite: Journal de la Société Française de Parasitologie
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
#17
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/28000590/parasitoids-of-the-eucalyptus-gall-wasp-leptocybe-invasa-hymenoptera-eulophidae-in-china
#18
Xia-Lin Zheng, Zong-You Huang, Dan Dong, Chun-Hui Guo, Jun Li, Zhen-De Yang, Xiu-Hao Yang, Wen Lu
Leptocybe invasa Fisher & La Salle (Hymenoptera, Eulophidae) is an invasive pest in Eucalyptus plantations throughout the world. Potential biological control agents for L. invasa were investigated in the Fujian, Guangdong, Hainan, Guangxi, Jiangxi, and Sichuan provinces of China, where Eucalyptus spp. have been severely damaged by the eucalyptus gall wasp. Three hymenopteran parasitoids of L. invasa were identified: Quadrastichus mendeli Kim & La Salle (Eulophidae), Aprostocetus causalis La Salle & Wu (Eulophidae), and Megastigmus viggianii Narendran & Sureshan (Torymidae); M...
2016: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/27991415/assessment-of-the-efficacy-of-a-topical-combination-of-fipronil-permethrin-frontline-tri-act-%C3%A2-frontect-%C3%A2-against-egg-laying-and-adult-emergence-of-the-cat-flea-ctenocephalides-felis-in-dogs
#19
Frédéric Beugnet, Lénaïg Halos, Wilfried Lebon, Julian Liebenberg
This study was conducted to assess the prevention of egg laying and the inhibition of the emergence of the cat flea (Ctenocephalides felis) resulting from the application of a combination of fipronil and permethrin (Frontline Tri-Act(®)/Frontect(®), Merial) on dogs. Sixteen healthy dogs were included after pre-treatment live flea counts and randomly allocated to two groups. Eight dogs served as untreated controls and 8 dogs were treated on Day 0 and Day 30 with topical application of fipronil/permethrin at the minimum dose of 6...
2016: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/27991414/a-description-of-echinorhynchus-baeri-kostylew-1928-acanthocephala-echinorhynchidae-from-salmo-trutta-in-turkey-with-notes-on-synonymy-geographical-origins-geological-history-molecular-profile-and-x-ray-microanalysis
#20
Omar M Amin, Richard A Heckmann, R Paul Evans, Yahya Tepe
A population of Echinorhynchus baeri Kostylew, 1928 with 18-24 rows of 8-10 proboscis hooks each and long fusiform eggs measuring 95-110 × 18-22 μm collected from Salmo trutta (Salmonidae) in a branch of the Murat River in Turkey is described and specimens are designated as neotype. Specimens of two similar populations of E. baeri (E. baeri Kostylew, 1928 and E. sevani Dinnik, 1932) were previously described from Salmo ischchan in Lake Sevan, Armenia. Waters of Lake Sevan and the Murat River were previously joined during the Middle Miocene-Pliocene...
2016: Parasite: Journal de la Société Française de Parasitologie
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