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Parasite: Journal de la Société Française de Parasitologie

Petra Quillfeldt, Tanja Romeike, Juan F Masello, Gerald Reiner, Hermann Willems, Yuliana Bedolla-Guzmán
Blood parasites are found in many vertebrates, but the research on blood parasites of lizards is still at its onset. We analyzed blood samples from side-blotched lizards Uta stansburiana from San Benito Oeste Island, Mexico, to test for the presence of hemoparasites. We found a high prevalence (23 out of 27 samples) of a blood parasite of the genus Lankesterella (Coccidia, Eimeriorina, Lankesterellidae) according to phylogenetic analyses of the parasite 18S rRNA gene. Similar parasites (97-99% similarity) have recently been described for Uta stansburiana from California...
2018: Parasite: Journal de la Société Française de Parasitologie
Soromane Camara, Ludovic Phamien Ahoua Alou, Alphonsine Amanan Koffi, Yao Cyntia Muriel Clegban, Jean-Paul Kabran, Fernand Mathieu Koffi, Kouakou Koffi, Cédric Pennetier
BACKGROUND: The widespread insecticide resistance in malaria vector populations is a serious threat to the efficacy of vector control tools. As a result, the World Health Organization (WHO) supports the development of alternative tools that combine several insecticides with the aim of improving vector control and the management of insecticide resistance. In the present study, a long-lasting insecticidal net treated with a mixture of chlorfenapyr and alphacypermethrin was evaluated against wild pyrethroid-resistant Anopheles gambiae s...
2018: Parasite: Journal de la Société Française de Parasitologie
Lisa Guardone, Andrea Armani, Daniele Nucera, Francesco Costanzo, Simonetta Mattiucci, Fabrizio Bruschi
A retrospective analysis on human anisakiasis in Italy since its first description in 1996 was performed by conducting a literature search. Inclusion criteria based on the presence of a larva and on parasite identification were applied. Epidemiological data and clinical features were analysed. Particular attention was paid to the source of infection. In total, 73 cases were included in the analysis, while 34 were excluded. Cases were reported from eight Italian regions, most frequently Abruzzo, Apulia and Latium...
2018: Parasite: Journal de la Société Française de Parasitologie
Fatalmoudou Tandina, Maureen Laroche, Bernard Davoust, Ogobara K Doumbo, Philippe Parola
Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) has recently emerged in entomology as a technique to identify arthropods and their blood meal source. In this study, female Anopheles gambiae were fed on five host blood sources: ocelot (Leopardus pardalis), binturong (Arctictis binturong), springbok (Antidorcas marsupialis), jaguar (Panthera onca) and Hamadryas baboon (Papio hamadryas), while Anopheles coluzzii were fed on three hosts: dromedary (Camelus dromedarius), Barbary sheep (Ammotragus lervia) and pig (Sus scrofa)...
2018: Parasite: Journal de la Société Française de Parasitologie
František Moravec, Jean-Lou Justine
The nematode genus Bulbocephalus Rasheed, 1966 (Nematoda, Physalopteridae) was found to be a homonym of Bulbocephalus Watson, 1916 (Apicomplexa) and, therefore, a new name, Rasheedia n. nom., is proposed to substitute it. Based on light and scanning electron microscope studies of specimens collected from the digestive tract of perciform fishes off New Caledonia, two new species of Rasheedia are described: R. heptacanthi n. sp. from the Cinnabar goatfish Parupeneus heptacanthus (Mullidae) (type host) and Dentex fourmanoiri (Sparidae), and R...
2018: Parasite: Journal de la Société Française de Parasitologie
Can Li, Weishan Zhao, Dong Zhang, Runqiu Wang, Guitang Wang, Hong Zou, Wenxiang Li, Shangong Wu, Ming Li
Morphological studies of Sicuophora (Syn. Wichtermania) multigranularis Xiao et al., 2002, from the rectum of the frog, Quasipaa spinosa, performed using silver impregnation and scanning electron microscopy, confirmed the following newly recognized features: (1) only one apical suture on the right surface; (2) two naked regions at the posterior end of both the left and the right side of the body. Phylogenetic analysis based on the SSU-rRNA gene showed that S. multigranularis is a sister to a clade comprising all other Clevelandellida, strongly supporting the validity of the genus Sicuophora...
2018: Parasite: Journal de la Société Française de Parasitologie
Zhong-Yuan Li, Jing Lu, Nian-Zhang Zhang, Hany M Elsheikha, Jun-Ling Hou, Hai-Ting Guo, Xing-Quan Zhu
Toxoplasma gondii causes one of the most common protozoal diseases of humans and animals worldwide. With the aim of designing an effective vaccine against T. gondii infection, we examined the immunogenicity of a DNA vaccine expressing heat shock protein 40 (HSP40) against challenge with T. gondii (type I RH and type II Pru) strains in Kunming mice. The plasmid pVAX1-HSP40 was constructed and used to immunize mice by intramuscular injection for three sequential immunizations with two-week intervals. This immunization regimen significantly reduced parasite cyst burden in pVAX1-HSP40-immunized mice (1871...
2018: Parasite: Journal de la Société Française de Parasitologie
Taiwu Wang, Yifang Han, Zuanqin Pan, Hengzhong Wang, Meng Yuan, Hong Lin
Toxoplasma gondii transmitted from blood donors to receiving patients has become a concern as numerous articles about the epidemiology of T. gondii infection in blood donors from different provinces have been published in China. This study aimed to evaluate the seroprevalence of T. gondii infection in Chinese blood donors using a meta-analysis. A total of 40 eligible studies, published from 1986 to 2017 and covering 18 provinces and municipalities were included. Among a total of 49,784 Chinese blood donors, the overall IgG seroprevalence of T...
2018: Parasite: Journal de la Société Française de Parasitologie
Nguyen Van Ha, Omar M Amin, Ha Duy Ngo, Richard A Heckmann
Males of Cathayacanthus spinitruncatus Amin, Heckmann & Ha, 2014 (Rhadinorhynchinae Lühe, 1912) are described for the first time from Leiognathus equulus in Hai Phong and Nha Trang and from pony fish Nuchequula flavaxilla in Quang Ninh in the Pacific waters of Vietnam. The male allotype status is designated. Males of C. spinitruncatus are smaller and have fewer and smaller proboscis hooks and trunk spines than females. The male reproductive structures are in the posterior fifth of the trunk and with 6 club-shaped cement glands gradually merging into 6 independent cement gland ducts...
2018: Parasite: Journal de la Société Française de Parasitologie
Wei Cong, Si-Yuan Qin, Qing-Feng Meng
Microsporidiosis is an emerging and opportunistic disease, and Enterocytozoon bieneusi is the main cause of this disease in humans. Little information is available on prevalence and genotyping of E. bieneusi in minks. We collected 559 feces samples of minks from Heilongjiang and Jilin provinces in 2017, and studied E. bieneusi prevalence by nested PCR. A total of 23 out of 559 minks (4.1%) were detected as E. bieneusi-positive, and were raised in five of the seven investigated farms. Age was the only risk factor associated with E...
2018: Parasite: Journal de la Société Française de Parasitologie
Olivier Chosidow, Charlotte Bernigaud, Giao Do-Pham
We highlight the absence of high-level evidence from dose-ranging studies regarding the use of oral ivermectin in susceptible parasitic diseases. We provide published data supporting the use of a higher dosage regimen of ivermectin in malaria and difficult-to-treat head lice, and announce an ongoing randomized clinical trial in severe scabies.
2018: Parasite: Journal de la Société Française de Parasitologie
Carine Brouat, Christophe Amidi Diagne, Khadija Ismaïl, Abdelkrim Aroussi, Ambroise Dalecky, Khalilou Bâ, Mamadou Kane, Youssoupha Niang, Mamoudou Diallo, Aliou Sow, Lokman Galal, Sylvain Piry, Marie-Laure Dardé, Aurélien Mercier
Risks related to Toxoplasma gondii infection in humans remain poorly known in Senegal. Although rodent surveys could help to assess the circulation of T. gondii, they have seldom been set up in sub-Saharan Africa. The aim of this study was to examine Toxoplasma seroprevalence in rodents from villages and towns across Senegal. Rodents were sampled in 40 localities using a standardised trapping protocol. Detection of T. gondii antibodies was performed on 1205 rodents, using a modified agglutination test (MAT) technique...
2018: Parasite: Journal de la Société Française de Parasitologie
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
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
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
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
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
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
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
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
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