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Parasite: Journal de la Société Française de Parasitologie

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https://www.readbyqxmd.com/read/29806593/analysis-of-dipylidium-caninum-tapeworms-from-dogs-and-cats-or-their-respective-fleas-part-2-distinct-canine-and-feline-host-association-with-two-different-dipylidium-caninum-genotypes
#1
Frédéric Beugnet, Michel Labuschagne, Christa de Vos, Dionne Crafford, Josephus Fourie
Initial investigations suggested the existence of two distinct genotypes of Dipylidium caninum from infected cat fleas (Ctenocephalides felis). One genotype was found almost always (> 95%) in fleas collected from, and proglottids shed by, domestic dogs. The other was found almost always (> 95%) in fleas collected from, and proglottids shed by, domestic cats. Molecular investigations (Part 1, in this journal) confirmed the presence of two distinct genotypes. Due to the apparent host association observed, these were referred to as the "D...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29806592/analysis-of-dipylidium-caninum-tapeworms-from-dogs-and-cats-or-their-respective-fleas-part-1-molecular-characterization-of-dipylidium-caninum-genetic-analysis-supporting-two-distinct-species-adapted-to-dogs-and-cats
#2
Michel Labuschagne, Frédéric Beugnet, Steffen Rehbein, Jacques Guillot, Josephus Fourie, Dionne Crafford
A 28S rDNA PCR detection assay was previously developed to identify Dipylidium caninum DNA inside single fleas collected from both cats and dogs. Sequence analysis of the 28S rDNA fragment indicated two genetically distinct variations of the target region. The two genotypes, so-called "D. caninum canine genotype" and "D. caninum feline genotype", based on host origin, are further investigated and described in this paper. Restriction fragment length polymorphism (RFLP) analysis and hydrolysis probe-based genotyping assays were developed and validated for genotyping D...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29806591/balantidium-grimi-n-sp-ciliophora-litostomatea-a-new-species-inhabiting-the-rectum-of-the-frog-quasipaa-spinosa-from-lishui-china
#3
Weishan Zhao, Can Li, Dong Zhang, Runqiu Wang, Yingzhen Zheng, Hong Zou, Wenxiang Li, Shangong Wu, Guitang Wang, Ming Li
Balantidium grimi n. sp. is described from the rectum of the frog Quasipaa spinosa (Amphibia, Dicroglossidae) from Lishui, Zhejiang Province, China. The new species is described by both light microscopy (LM) and scanning electron microscopy (SEM), and a molecular phylogenetic analysis is also presented. This species has unique morphological features in that the body shape is somewhat flattened and the vestibulum is "V"-shaped, occupying nearly 3/8 to 4/7 of the body length. Only one contractile vacuole, situated at the posterior body, was observed...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29745365/the-golden-jackal-canis-aureus-as-an-indicator-animal-for-trichinella-britovi-in-iran
#4
Aliakbar Shamsian, Edoardo Pozio, Abdolmajid Fata, Zahra Navi, Elham Moghaddas
Nematodes of the genus Trichinella are zoonotic parasites causing trichinellosis. In Iran, these parasites occur in several animal species and rare cases have been recorded in humans. To monitor the epidemiological pattern of these parasites in the Khorasan-e-Razavi province, Northeastern Iran, muscle tissues were collected from the tongues of roadkill animals between 2016 and 2017: 295 stray dogs, one red fox (Vulpes vulpes), 12 golden jackals (Canis aureus), and one wild boar (Sus scrofa). Trichinella spp...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29737276/molecular-identification-and-characterization-of-sarcocystis-spp-in-horsemeat-and-beef-marketed-in-japan
#5
Rie Murata, Jun Suzuki, Ayako Hyuga, Takayuki Shinkai, Kenji Sadamasu
Human Sarcocystis infections are known to be caused by the ingestion of raw or undercooked beef or pork containing mature sarcocysts of Sarcocystis hominis or S. suihominis, respectively. In addition, several cases of parasitic food poisoning in Japan have recently been reported after consumption of raw horsemeat containing sarcocysts of S. fayeri. In this study, the presence of sarcocysts in 28 horsemeat and 121 beef samples collected in Tokyo was investigated. Sarcocysts of S. fayeri were found in 16 horsemeat samples...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29737275/metallopeptidases-of-toxoplasma-gondii-in-silico-identification-and-gene-expression
#6
Sandie Escotte-Binet, Antoine Huguenin, Dominique Aubert, Anne-Pascaline Martin, Matthieu Kaltenbach, Isabelle Florent, Isabelle Villena
Metallopeptidases are a family of proteins with domains that remain highly conserved throughout evolution. These hydrolases require divalent metal cation(s) to activate the water molecule in order to carry out their catalytic action on peptide bonds by nucleophilic attack. Metallopeptidases from parasitic protozoa, including Toxoplasma, are investigated because of their crucial role in parasite biology. In the present study, we screened the T. gondii database using PFAM motifs specific for metallopeptidases in association with the MEROPS peptidase Database (release 10...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29727269/cystic-echinococcosis-in-a-domestic-cat-felis-catus-in-italy
#7
Piero Bonelli, Gabriella Masu, Silvia Dei Giudici, Davide Pintus, Angela Peruzzu, Toni Piseddu, Cinzia Santucciu, Assunta Cossu, Nicola Demurtas, Giovanna Masala
Echinococcus granulosus sensu lato is a zoonotic agent with a life cycle consisting of definitive hosts (dogs and wild carnivores), and intermediate hosts (usually ungulates). Other animals and humans may accidentally ingest eggs and contract cystic echinococcosis, acting as aberrant hosts. A 3-year-old neutered female cat was brought to a veterinary practice in Sassari (Italy) with abdominal distension. Ultrasound showed multiple intraperitoneal vesicles, which on laparotomy were found to be metacestodes of E...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29676250/plasmodium-falciparum-resistance-to-artemisinin-based-combination-therapies-a-sword-of-damocles-in-the-path-toward-malaria-elimination
#8
Manel Ouji, Jean-Michel Augereau, Lucie Paloque, Françoise Benoit-Vical
The use of artemisinin-based combination therapies (ACTs), which combine an artemisinin derivative with a partner drug, in the treatment of uncomplicated malaria has largely been responsible for the significant reduction in malaria-related mortality in tropical and subtropical regions. ACTs have also played a significant role in the 18% decline in the incidence of malaria cases from 2010 to 2016. However, this progress is seriously threatened by the reduced clinical efficacy of artemisinins, which is characterised by delayed parasitic clearance and a high rate of recrudescence, as reported in 2008 in Western Cambodia...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29637891/a-national-retrospective-survey-of-anisakidosis-in-france-2010-2014-decreasing-incidence-female-predominance-and-emerging-allergic-potential
#9
Hélène Yera, Émilie Fréalle, Emmanuel Dutoit, Jean Dupouy-Camet
A retrospective survey was carried out over the years 2010-2014 among all Parasitology laboratories of University hospitals in France (ANOFEL network). The objective was to estimate the incidence of anisakidosis in France as new culinary habits such as the consumption of raw fish (sushi) or undercooked fish are increasing. A total of 37 cases of anisakidosis were notified by all French laboratories: 7 proven cases with evidence of a worm, 12 possible cases with abdominal pain after consumption of raw fish with detection of anti-Anisakis precipitins, and 18 allergic cases defined as acute manifestations after consumption of fish, associated with specific IgE for Anisakis...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29633710/angiostrongylus-costaricensis-infection-in-martinique-lesser-antilles-from-2000-to-2017
#10
Céline Dard, Duc Nguyen, Charline Miossec, Katia de Meuron, Dorothée Harrois, Loïc Epelboin, André Cabié, Nicole Desbois-Nogard
Human abdominal angiostrongyliasis (HAA) is a parasitic disease caused by the accidental ingestion of the nematode Angiostrongylus costaricensis in its larval form. Human infection can lead to severe ischemic and inflammatory intestinal lesions, sometimes complicated by life-threatening ileal perforations. Only one case had been reported in Martinique, an Island in the French Antilles, in 1988. We retrospectively reviewed the medical charts of patients diagnosed with abdominal angiostrongyliasis at the University Hospital of Martinique between 2000 and 2017...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29633709/seroprevalence-of-toxoplasma-gondii-in-free-living-european-mouflon-ovis-orientalis-musimon-hunted-in-central-germany
#11
Mike Heddergott, Natalia Osten-Sacken, Peter Steinbach, Alain C Frantz
Despite increasing consumption of mouflon (Ovis orientalis musimon) meat in Germany, there is currently no surveillance of Toxoplasma gondii infection in populations of these animals and generally little knowledge about the prevalence of this protozoan in German wild ungulates. Between 2011 and 2015, we collected 138 blood samples from a free-living mouflon population in central German and tested sera for the presence of T. gondii antibodies using a modified agglutination test (MAT, cut-off 1:20). Antibodies were detected in 31 of the 138 samples (22...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29633708/molecular-and-serological-prevalence-of-toxoplasma-gondii-and-anaplasma-spp-infection-in-goats-from-chongqing-municipality-china
#12
Zuoyong Zhou, Yutong Wu, Yiwang Chen, Zhiying Wang, Shijun Hu, Rongqiong Zhou, Chunxia Dong, Hongquan Lin, Kui Nie
Toxoplasmosis and anaplasmosis are severe zoonotic diseases, the former caused by Toxoplasma gondii and the latter by Anaplasma spp. In the present study, 332 goat blood samples were randomly collected from Chongqing Municipality, China to screen for T. gondii and Anaplasma spp. We used a polymerase chain reaction (PCR) to detect DNA, and enzyme-linked immunosorbent assay (ELISA) to test for T. gondii antibodies. The prevalence of T. gondii and Anaplasma spp. was 38% and 35% respectively by PCR, and 42% for T...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29633707/a-tripartite-survey-of-hyperparasitic-fungi-associated-with-ectoparasitic-flies-on-bats-mammalia-chiroptera-in-a-neotropical-cloud-forest-in-panama
#13
Melissa J Walker, Annabel Dorrestein, Jasmin J Camacho, Lauren A Meckler, Kirk A Silas, Thomas Hiller, Danny Haelewaters
The Darién province in eastern Panama is one of the most unexplored and biodiverse regions in the world. The Chucantí Nature Reserve, in Serranía de Majé, consists of a diverse tropical cloud forest ecosystem. The aim of this research was to explore and study host associations of a tripartite system of bats, ectoparasitic flies on bats (Diptera, Streblidae), and ectoparasitic fungi (Ascomycota, Laboulbeniales) that use bat flies as hosts. We captured bats at Chucantí, screened each bat for presence of bat flies, and screened collected bat flies for presence of Laboulbeniales...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29633706/a-preliminary-survey-of-trichinella-spp-in-pigs-raised-under-controlled-housing-conditions-in-colombia-2014-2016
#14
Jenny J Chaparro-Gutiérrez, Edoardo Pozio, María A Gómez-Morales, Anderson López, Jaime Mejia, Corina Zambrano, Diego Piedrahita, David Villar
A preliminary survey of Trichinella spp. infection was conducted in Colombian swine herds between 2014 and 2016. A total of 1,773 pigs reared on farms under controlled housing conditions and processed in 34 slaughterhouses were tested either by the artificial digestion of pooled muscle samples (n = 1,173) or by serology (n = 600). In addition, 550 rats trapped on 29 swine farm premises were also tested by artificial digestion. No positive pig samples were detected. Similarly, no Trichinella spp...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29589827/the-changing-use-of-the-ovipositor-in-host-shifts-by-ichneumonid-ectoparasitoids-of-spiders-hymenoptera-ichneumonidae-pimplinae
#15
Keizo Takasuka, Niclas R Fritzén, Yoshihiro Tanaka, Rikio Matsumoto, Kaoru Maeto, Mark R Shaw
Accurate egg placement into or onto a living host is an essential ability for many parasitoids, and changes in associated phenotypes, such as ovipositor morphology and behaviour, correlate with significant host shifts. Here, we report that in the ichneumonid group of koinobiont spider-ectoparasitoids ("polysphinctines"), several putatively ancestral taxa (clade I here), parasitic on ground-dwelling RTA-spiders (a group characterised by retrolateral tibial apophysis on male palpal tibiae), lay their eggs in a specific way...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29557777/prevalence-of-neospora-spp-in-donkeys-in-china
#16
Wei Cong, Lan-Bi Nie, Si-Yuan Qin, Wei-Li Wang, Ai-Dong Qian, Qing-Feng Meng
This study was conducted to detect specific anti-Neospora antibodies using a commercial competitive-inhibition ELISA kit, and to evaluate the risk factors for Neospora spp. infection. Out of a total of 2,228 donkey sera collected in three provinces in China, 211 (9.5%) were found to be positive for anti-Neospora antibodies. Statistical analysis revealed that age (p = 0.019, OR = 1.62, 95%CI: 1.08-2.44), feeding status (p < 0.001, OR = 3.79, 95%CI: 2.65-5.43), miscarriage history (p = 0...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29557776/seroprevalence-and-risk-factors-of-neospora-caninum-infection-among-domestic-sheep-in-henan-province-central-china
#17
Shuai Wang, Lingjuan Li, Yi Lu, Haizhu Zhang, Qing Xie, Zhenchao Zhang
This study aimed to determine the frequency of antibodies to Neospora caninum in domestic sheep raised in Henan province, central China. Serum samples from 779 domestic sheep were collected from March 2015 to May 2016, and antibodies to N. caninum were evaluated using an enzyme-linked immunosorbent assay (ELISA). The results showed an overall IgG positive rate of 7.32% (57/779). The risk factors significantly related to seropositivity to N. caninum in sheep were the age, the presence of dogs, and the rearing system...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29553366/assessing-viability-and-infectivity-of-foodborne-and-waterborne-stages-cysts-oocysts-of-giardia-duodenalis-cryptosporidium-spp-and-toxoplasma-gondii-a-review-of-methods
#18
Angélique Rousseau, Stéphanie La Carbona, Aurélien Dumètre, Lucy J Robertson, Gilles Gargala, Sandie Escotte-Binet, Loïc Favennec, Isabelle Villena, Cédric Gérard, Dominique Aubert
Giardia duodenalis, Cryptosporidium spp. and Toxoplasma gondii are protozoan parasites that have been highlighted as emerging foodborne pathogens by the Food and Agriculture Organization of the United Nations and the World Health Organization. According to the European Food Safety Authority, 4786 foodborne and waterborne outbreaks were reported in Europe in 2016, of which 0.4% were attributed to parasites including Cryptosporidium, Giardia and Trichinella. Until 2016, no standardized methods were available to detect Giardia, Cryptosporidium and Toxoplasma (oo)cysts in food...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29533763/evaluation-of-the-inflammatory-response-to-kudoa-septempunctata-genotype-st3-isolated-from-olive-flounder-paralichthys-olivaceus-in-caco-2-cells
#19
Meejung Ahn, Hyun Ju Ko, Jeongtae Kim, Yeounghwan Jang, Taekyun Shin
Kudoa septempunctata (Myxosporea, Multivalvulida) is a parasite of the trunk muscle of cultured olive flounder (Paralichthys olivaceus). We investigated whether K. septempunctata genotype ST3 spores induce cell damage and the secretion of inflammatory mediators in Caco-2 cells, which exhibit characteristics similar to human intestinal epithelial cells. Purified K. septempunctata spores were heated at 95 °C for 5 min. Lactate dehydrogenase (LDH) release was measured to determine the efficacy of denaturation...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29533762/extracts-of-tectona-grandis-and-vernonia-amygdalina-have-anti-toxoplasma-and-pro-inflammatory-properties-in-vitro
#20
Mlatovi Dégbé, Françoise Debierre-Grockiego, Amivi Tété-Bénissan, Héloïse Débare, Kodjo Aklikokou, Isabelle Dimier-Poisson, Messanvi Gbeassor
Tectona grandis (teak) and Vernonia amygdalina (bitter leaf) are plants used in traditional medicine in West Africa. In this study, we tested ethanolic and hydro-ethanolic extracts of bark and leaves of T. grandis and ethanolic extract of leaves of V. amygdalina for their inhibitory effect on Toxoplasma gondii, a protozoan parasite responsible for toxoplasmosis. Ethanolic extract of V. amygdalina leaves had proportional contents of phenols, tannins, flavonoids, and polysaccharides. This extract presented the highest efficacy against T...
2018: Parasite: Journal de la Société Française de Parasitologie
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