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Parasite: Journal de la Société Française de Parasitologie

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https://www.readbyqxmd.com/read/28643630/molecular-phylogeny-of-42-species-of-culicoides-diptera-ceratopogonidae-from-three-continents
#1
Denis Augot, Bruno Mathieu, Leila Hadj-Henni, Véronique Barriel, Sonia Zapata Mena, Sylvia Smolis, Darine Slama, Fano José Randrianambinintsoa, Gabriel Trueba, Matthieu Kaltenbach, Nil Rahola, Jérôme Depaquit
The genus Culicoides includes vectors of important animal diseases such as bluetongue and Schmallenberg virus (BTV and SBV). This genus includes 1300 species classified in 32 subgenera and 38 unclassified species. However, the phylogenetic relationships between different subgenera of Culicoides have never been studied. Phylogenetic analyses of 42 species belonging to 12 subgenera and 8 ungrouped species of genus Culicoides from Ecuador, France, Gabon, Madagascar and Tunisia were carried out using two molecular markers (28S rDNA D1 and D2 domains and COI mtDNA)...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28627357/the-heat-shock-protein-90-of-toxoplasma-gondii-is-essential-for-invasion-of-host-cells-and-tachyzoite-growth
#2
Hongchao Sun, Xunhui Zhuo, Xianfeng Zhao, Yi Yang, Xueqiu Chen, Chaoqun Yao, Aifang Du
Toxoplasma gondii is an obligate intracellular apicomplexan parasite that infects almost all warm-blooded vertebrates. Heat shock proteins (HSP) regulate key signal transduction events in many organisms, and heat shock protein 90 (Hsp90) plays an important role in growth, development, and virulence in several parasitic protozoa. Here, we discovered increased transcription of the Hsp90 gene under conditions for bradyzoite differentiation, i.e. alkaline and heat shock conditions in vitro, suggesting that Hsp90 may be connected with bradyzoite development in T...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28617666/parasitic-diseases-of-camels-in-iran-1931-2017-a-literature-review
#3
Alireza Sazmand, Anja Joachim
Parasitic diseases of camels are major causes of impaired milk and meat production, decreases in performance or even death. Some camel parasites also represent a threat to human health. About 171,500 one-humped camels (Camelus dromedarius) and 100-300 two-humped camels (Camelus bactrianus) live in Iran. Knowledge of the biodiversity of their parasites is still limited. The present review covers all information about camel parasitic diseases in Iran published as dissertations and in both Iranian and international journals from 1931 to February 2017...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28593838/attractiveness-of-black-and-white-modified-shannon-traps-to-phlebotomine-sandflies-diptera-psychodidae-in-the-brazilian-amazon-basin-an-area-of-intense-transmission-of-american-cutaneous-leishmaniasis
#4
Andreia Fernandes Brilhante, Márcia Moreira de Ávila, Jailson Ferreira de Souza, Antônio Ralph Medeiros-Sousa, Priscila Bassan Sábio, Marcia Bicudo de Paula, Rodrigo Espindola Godoy, Leonardo Augusto Kohara Melchior, Vânia Lúcia Brandão Nunes, Cristiane de Oliveira Cardoso, Eunice Aparecida Bianchi Galati
In the Amazon region the phlebotomine fauna is considered one of the most diverse in the world. The use of Shannon traps may provide information on the anthropophily of the species and improve the traps' performance in terms of diversity and quantity of insects collected when white and black colored traps are used together. This study sought to verify the attractiveness of the traps to the phlebotomine species of the Brazilian Amazon basin using Shannon traps under these conditions. The insects were collected using two Shannon traps installed side by side, one white and the other black, in a primary forest area of the municipality of Xapuri, Acre, Brazil...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28593837/rhadinorhynchus-oligospinosus-n-sp-acanthocephala-rhadinorhynchidae-from-mackerels-in-the-pacific-ocean-off-peru-and-related-rhadinorhynchids-in-the-pacific-with-notes-on-metal-analysis
#5
Omar M Amin, Richard A Heckmann
Specimens of a new species of Rhadinorhynchus Lühe, 1911 are described from the chub mackerel Scomber japonicus (Scombridae) and the Chilean Jack mackerel Trachurus murphyi (Carangidae) (possibly a subspecies of Trachurus symmetricus) from the Pacific Ocean off the Peruvian coast at the Port of Chicama, La Libertad. Specimens of Rhadinorhynchus oligospinosus n. sp. are somewhat small having 11-14 rows of alternating proboscis hooks with 20-22 hooks each with posteriormost hooks in a continuous ring. Ventral hooks are robust with prominent roots but dorsal hooks are slender and shorter with discoid roots...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28573969/human-spiruridiasis-due-to-physaloptera-spp-nematoda-physalopteridae-in-a-grave-of-the-shahr-e-sukhteh-archeological-site-of-the-bronze-age-2800-2500-bc-in-iran
#6
Mahsasadat Makki, Jean Dupouy-Camet, Seyed Mansour Seyed Sajjadi, František Moravec, Saied Reza Naddaf, Iraj Mobedi, Hossein Malekafzali, Mostafa Rezaeian, Mehdi Mohebali, Faranak Kargar, Gholamreza Mowlavi
Evidence of rare human helminthiasis in paleoparasitological records is scarce. we report here the finding of Physaloptera spp. eggs in a soil sample collected in the pelvic and sacrum bones area of a skeleton excavated from a grave of Shahr-e Sukhteh archeological site dating back to the Bronze Age. The site is located in southeastern Iran and has attracted the attention of numerous archeological teams owing to its vast expanse and diverse archeological findings since 1997. The spirurid nematodes Physaloptera spp...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28560955/effects-of-astaxanthin-in-mice-acutely-infected-with-trypanosoma-cruzi
#7
José María Eloy Contreras-Ortiz, Alberto Barbabosa-Pliego, Rigoberto Oros-Pantoja, José Esteban Aparicio-Burgos, José Antonio Zepeda-Escobar, Wael Hegazy Hassan-Moustafa, Laucel Ochoa-García, María Uxúa Alonso-Fresan, Esvieta Tenorio Borroto, Juan Carlos Vázquez-Chagoyán
During Trypanosoma cruzi infection, oxidative stress is considered a contributing factor for dilated cardiomyopathy development. In this study, the effects of astaxanthin (ASTX) were evaluated as an alternative drug treatment for Chagas disease in a mouse model during the acute infection phase, given its anti-inflammatory, immunomodulating, and anti-oxidative properties. ASTX was tested in vitro in parasites grown axenically and in co-culture with Vero cells. In vivo tests were performed in BALB/c mice (4-6 weeks old) infected with Trypanosoma cruzi and supplemented with ASTX (10 mg/kg/day) and/or nifurtimox (NFMX; 100 mg/kg/day)...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28508745/natural-leishmania-viannia-infections-of-phlebotomines-diptera-psychodidae-indicate-classical-and-alternative-transmission-cycles-of-american-cutaneous-leishmaniasis-in-the-guiana-shield-brazil
#8
Adelson Alcimar Almeida de Souza, Iorlando da Rocha Barata, Maria das Graças Soares Silva, José Aprígio Nunes Lima, Yara Lúcia Lins Jennings, Edna Aoba Yassui Ishikawa, Ghislaine Prévot, Marine Ginouves, Fernando Tobias Silveira, Jeffrey Shaw, Thiago Vasconcelos Dos Santos
From 1996 to 1999 multi-trapping methods (Center of Diseases Control, CDC) light traps, light-baited Shannon traps, and aspiration on tree bases) were used to study the phlebotomine fauna of the "Serra do Navio" region of the Brazilian State of Amapá, which is part of the Guiana Shield. Fifty-three species were identified among 8,685 captured individuals. The following species, associated with the transmission of American cutaneous leishmaniasis in Amazonian Brazil, were captured: Nyssomyia umbratilis (3,388), Psychodopygus squamiventris maripaensis (995), Ny...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28497745/preventive-efficacy-of-nexgard-spectra-%C3%A2-against-dipylidium-caninum-infection-in-dogs-using-a-natural-flea-ctenocephalides-felis-infestation-model
#9
Frédéric Beugnet, Leon Meyer, Josephus Fourie, Diane Larsen
The efficacy of a monthly oral endectocide product, NexGard Spectra(®) (Merial), a combination of afoxolaner and milbemycin oxime, was evaluated in a flea (Ctenocephalides felis) challenge model for the prevention of Dipylidium caninum tapeworm infection in dogs. The efficacy of treatment with NexGard Spectra(®) was assessed in 10 dogs following weekly flea infestation with metacestode naturally infected fleas and compared with that in 10 untreated control dogs. The 100 fleas deposited weekly on each dog were not removed until Day 35, allowing enough time for their ingestion...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28497744/first-molecular-investigation-of-cryptosporidium-spp-in-young-calves-in-algeria
#10
Djahida Benhouda, Ahcène Hakem, Anna Rosa Sannella, Afaf Benhouda, Simone M Cacciò
To date, no information is available on the prevalence and genetic identity of Cryptosporidium spp. in cattle in Algeria. In this study, 17 dairy farms in the province of Batna, located in the northeast of the country, were visited to collect 132 fecal samples from young calves (< 8 weeks old). Samples were examined microscopically using the modified Ziehl-Neelsen acid-fast staining method, and at least one sample per farm was submitted for molecular analysis. Amplification of a fragment of the small subunit ribosomal RNA gene was positive for 24 of the 61 samples (40%), and sequence analysis identified three species, namely Cryptosporidium bovis (n = 14), C...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28497743/seroprevalence-of-theileria-equi-and-babesia-caballi-in-horses-in-spain
#11
Maria Guadalupe Montes Cortés, José Luis Fernández-García, Miguel Ángel Habela Martínez-Estéllez
Equine piroplasmoses are enzootic parasitic diseases distributed worldwide with high incidence in tropical and subtropical regions. In Spain, there is insufficient epidemiological data about equine piroplasmoses. The main aim of the present study was therefore to estimate the prevalence of Theileria equi and Babesia caballi in five regions and obtain information about the risk factors. This study was conducted in the central and south-western regions of Spain, using indirect fluorescence antibody testing (IFAT) in 3,100 sera samples from apparently healthy horses of different ages, breeds, coat colours, genders and geographical locations...
2017: Parasite: Journal de la Société Française de Parasitologie
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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