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Acta Parasitologica

Adela Sarvašová, Alica Kočišová, Erika Liptáková, Helena Hiavatá, Bruno Mathieu
The epizootic of Bluetongue virus (BTV) throughout Europe in 2006 revealed insufficient knowledge regarding seasonal activities, endo/exophilic and endo/exophagic behaviour of the species of the Culicoides genus (Diptera: Ceratopogonidae). Although several studies have been carried out in Western Europe, bringing new knowledge of the above mentioned topics, there was still a gap to fill in Central Europe. Therefore, this study investigated seasonal variations in the indoor/outdoor Culicoides activity observed in the south-eastern Slovakia from 2012 to 2014, using a light-trapping method...
December 1, 2016: Acta Parasitologica
Ameri Kottarathil Helna, Kappalli Sudha, Panakkool Thamban Aneesh, Wojciech Piasecki, Gopinathan Anilkumar
During an extensive survey of fish parasites along the Malabar coast of India we observed exceptionally high or even massive infection of the narrow-barred Spanish mackerel, Scomberomorus commerson (Scombridae), with parasitic copepods Cybicola armatus. Such infection has not hitherto been reported. The copepods occurred on the gills of its host and the infection persisted for many years (the survey lasted from January 2010 to July 2014). The overall prevalence was very high (95%); out of a total of 981 fish studied, 933 were infected, and the maximum intensity reached 42...
December 1, 2016: Acta Parasitologica
Katarzyna J Filip, Aleksander W Demiaszkiewicz
The abundance of elk (Alces alces) in Poland at the beginning of 2016 reached over 28 000 individual animals. However, little is still known about health status of elk population in the country. In particular, important health issue tend to be parasitic diseases which are the most common diseases in wild animals. Special emphasis should be given to the parasitofauna of elks. Their ability to move over great distances increases the chance of parasitic infestations in new areas and transmission to other wild animals and livestock...
December 1, 2016: Acta Parasitologica
Silvana Carnevale, Jorge Bruno Malandrini, María Laura Pantano, Mirna Sawicki, Claudia Cecilia Soria, Lein Hung Kuo, Laura Kamenetzky, Osvaldo Germán Astudillo, Jorge Néstor Velásquez
Fascioliasis is a zoonosis actually considered as a foodborne trematode disease priority by the World Health Organization. Our study presents three cases of F. hepatica infection diagnosed by direct, indirect and/or imaging diagnostic techniques, showing the need of the combined use of them. In order to overcome some difficulties of the presently available methods we show for the first time the application of molecular tools to improve human fascioliasis diagnosis by employing a PCR protocol based on a repetitive element as target sequence...
December 1, 2016: Acta Parasitologica
Shalom Ben-Shimol, Orli Sagi, Amir Horev, Yonat Shemer Avni, Mati Ziv, Klaris Riesenberg
Cutaneous leishmaniasis (CL) caused by Leishmania major is common in southern Israel, while Leishmania infantum (sub-strain of L. donovani, causing zoonotic visceral leishmaniasis) infections were rarely reported in Israel and only in other regions. We report the first case of L. infantum infection in southern Israel, presented atypically as CL in an immunosuppressed 47-year old male. The patient was treated with liposomal amphotericin-B and recovered, without extra-cutaneous complications. Diagnosis of L. infantum CL was confirmed by microscopic identification of amastigotes in Gimsa-stained smear of skin lesion, positive blood serology and a positive polymerase chain reaction (PCR) amplification of the internal transcribed spacer 1 genes (ITS1) and restriction fragment length polymorphism (ITS1 PCR-RFLP)...
December 1, 2016: Acta Parasitologica
Lachhman Das Singla, Deepak Sumbria, Ajay Mandhotra, M S Bal, Paramjit Kaur
There are few published studies on various vector borne diseases of dogs in India and most depict clinical infection in dogs, diagnosed by observation of the haemopathogens in stained blood smears. This study provides the first report regarding molecular confirmation and ancestral relationship analysis of blood smears positive cases of assorted haemopathogens in Punjab province of India. On blood smear examination, haemopathogens were observed in 124 out of 778 (15.95%, 95% CI: 13.53- 18.68) blood smears. Further polymerase chain reactions (PCR) was used on bloods smear positive cases to validate the results...
December 1, 2016: Acta Parasitologica
František Moravec, Robert Adlard
Numerous specimens of the parasitic nematode Rhabdochona papuanensis Moravec, Riha et Kuchta, 2008 (Spirurida: Rhabdochonidae) were collected from the intestines of the Australian endemic freshwater fish (eastern rainbow fish) Melanotaenia splendida (Peters) (Melanotaeniidae, Atheriniformes) in the Behana Creek, North Queesland during November of 2015. Although many species of Rhabdochona Railliet, 1916 are known to be common parasites of fishes in other continents, the present finding of R. papuanensis represents the first record of the species belonging to this genus from the Australian mainland...
December 1, 2016: Acta Parasitologica
Zeynep Koloren, Emine Ayaz
This research was undertaken to study the molecular detection and characterization of Cryptosporidium spp. in environmental water sources at Samsun and Giresun Provinces of The Black Sea in Turkey. Two-hundred forty and one-hundred eighty environmental samples were collected from a total of twenty and twenty-five sampling sites of Giresun and Samsun Provinces. One hundred twenty untreated drinking water samples were also detected for Cryptosporidium spp. in both investigated areas. 101 (%42), 92 (%38.3) of 240 and 74 (41...
December 1, 2016: Acta Parasitologica
Carolina Wagner, María Reyes-Batlle, María Alejandra Vethencourt Ysea, Mónica V Galindo Pérez, Carmen Guzmán de Rondón, Anaibeth J Nessi Paduani, Angelyseb Dorta Pérez, Atteneri López-Arencibia, Ines Sifaoui, María Virginia Pérez de Galindo, Eva Pérez de Suárez, Enrique Martínez-Carretero, Basilio Valladares, José E Piñero, Jacob Lorenzo-Morales
Free-living amoebae of Acanthamoeba genus are opportunistic pathogens distributed worldwide. Strains included in this genus are causative agents of a fatal encephalitis and a sight-threating keratitis in humans and other animals. In this study, 550 clinical samples which were collected between 1984 and 2014 from different patients with suspected infections due to Acanthamoeba were initially screened for the presence of this amoebic genus at the Laboratorio de Amibiasis-Escuela de Bioanálisis at the Universidad Central de Venezuela...
December 1, 2016: Acta Parasitologica
Seyed Ahmad Karamati, Maryam Niyyati, Jacob Lorenzo-Morales, Zohreh Lasjerdi
Pathogenic strains of Acanthamoeba are causative agents of a sight threating infection of the cornea known as Acanthamoeba keratitis. AK cases have been reported in Iran recently due to inappropriate usage of contact lens maintenance and most patients report a contact with contaminated sources such as dust, water or soil. Sixty soil samples were collected from public and recreational areas in the province of East Azerbaijan, Iran and checked for the presence of Acanthamoeba spp. Samples were cultured on non-nutrient agar plates seeded with heat killed Escherichia coli...
December 1, 2016: Acta Parasitologica
Anna Cichy, Elżbieta Żbikowska
A phenomenon of switching of the parasite in the food chain to an accidental host is commonly observed in nature. However, there is little available data concerning the morphological descriptions of parasites that passively get into the atypical hosts and are capable, at least to some degree, of somatic growth and development of reproductive structures. A morphological survey of Diplodiscus subclavatus (Pallas, 1760) adults isolated from a digestive tract of an accidental host, Viviparus contectus (Millet, 1813), was carried out...
December 1, 2016: Acta Parasitologica
Seyedeh Missagh Jalali, Abbas Jolodar, Aria Rasooli, Ameneh Darabifard
Theileriosis caused by Theileria lestoquardi (malignant ovine theileriosis) in sheep and Theileria annulata (tropical theileriosis) in cattle is an important hemoprotozoal tick-borne disease in Iran. Due to major biologic and phylogenic similarities of these two species, this study was carried out to investigate the occurrence of natural infections with T.lestoquardi and T.annulata in cattle with clinical theileriosis in Ahvaz, southwest Iran. Fifty one cattle were selected based on clinical signs of theileriosis and confirmation by microscopic examination of blood smears...
December 1, 2016: Acta Parasitologica
Gabriela S O Hashimoto, Natalia C Marchiori, Santiago B Pádua, Márcia M Ishikawa, Juan R E Garcia, Maurício L Martins
The present study describes a new species of Trichodina found in the mucus of the body surface of 137 farmed and wild silver catfish (Rhamdia quelen) located in southern Brazil and in the gills of 99 banded knife fish (Gymnotus sp.) captured in the basin of Pantanal. Smears of the body surface mucus and gills were air dried at room temperature and impregnated with silver nitrate and stained with Giemsa for analysis of the adhesive disc, denticles and macronucleus. Characterized as a medium trichodinid, Trichodina quelenii n...
December 1, 2016: Acta Parasitologica
Pavithra Viswanath, Sapna Morayya, Nikhil Rautela, Achyut Sinha
The pace of anti-malarial drug discovery is often impeded due to the lack of tools to determine the cidality of compounds in vitro. An anti-malarial compound must have a cidal mode of action, i.e. kill parasites, in order to quickly reduce parasite load. A static compound that merely inhibits growth must be identified early on in the discovery cascade. In this paper, we describe a high-throughput fluorescent assay for determination of the cidality of an anti-malarial compound. The assay works on the principle that cultures treated with a static compound will exhibit re-growth while treatment with a cidal compound leads to a marked reduction in parasite number...
December 1, 2016: Acta Parasitologica
Jhon D Chero, Celso L Cruces, José Iannacone, Lidia Sanchez, David Minaya, Gloria Sáez, Lorena Alvariño
Monocotyle luquei n. sp. (Monogenea: Monocotylidae) was described from gills of diamond stingray Dasyatis dipterura (Jordan and Gilbert, 1880) (Dasyatidae) off Peru. The new species can be differentiated from the other species of the genus by the combination of the following characteristics: (1) accessory sclerites on the dorsal posterior surface of the body absent, (2) only one testis is present, (3) 1-2 loops in the copulatory organ, (4) the male copulatory organ with a sclerotized accessory piece, (5) shape of five sclerites in marginal papillae, (6) size of anchor and (7) posterolateral septa bifurcated...
December 1, 2016: Acta Parasitologica
Michael R Zimmermann, Kyle E Luth, Gerald W Esch
Digenetic trematodes have complex life cycles involving multiple hosts and free-living larval stages. Some species have 2 lar-val stages that infect snails, with miracidia and cercariae using these molluscs as first and second intermediate hosts, respec-tively. Although both larval stages may infect the same snail species, this is accomplished using different chemical cues and may be influenced by different biotic and abiotic factors. Significant differences in the infection patterns of these parasitic stages regarding host size and density were observed in 2 separate field studies...
December 1, 2016: Acta Parasitologica
Qifei Men, Hongyu Han, Qiping Zhao, Weili Xia, Hui Dong, Shunhai Zhu, Ziwen Wang, Cong Li, Xuelong Zhu, Bing Huang
Parasites are ubiquitous members of biotic communities. To investigate the infective status of helminth parasites in Pelophylax nigromaculatus from Shanghai, 90 frogs were collected from July 2013 to July 2014 and examined for the presence of internal parasites. Of these, 86.67% (78/90) of frogs were infected with parasites, the total helminth intensity within infected frogs ranged from 1 to 367, and the mean intensity was 28.49. The infection rates and intensities were 78.89% and 22.89 for trematodes, 50.00% and 5...
December 1, 2016: Acta Parasitologica
Ľudmila Juhásová, Eva Bazsalovicsová, Ivica Králová-Hromadová, Jacek Karamon
The veterinary important parasite of ruminants, giant liver fluke Fascioloides magna(Trematoda: Fasciolidae), isolated from liver of farmed fallow deer (Dama dama) from Podkarpackie Province (southeastern Poland) was genotypized by mitochondrial cytochrome c oxidase (cox1) and nicotinamide dehydrogenase (nad1) markers. The data on this newly emerged population were compared with mitochondrial haplotypes of recently detected Polish population of F. magna from Lower Silesian Wilderness (southwestern Poland) and with European populations of the parasite from all three natural foci; northern Italy, Czech Republic and the Danube floodplain forests...
December 1, 2016: Acta Parasitologica
Katarína Reiterová, Silvia Špilovská, Andrea Čobádiová, Zuzana Hurníková
Sera or meat juices of 177 red foxes (Vulpes vulpes) originated from the localities of a human-influenced landscape (Group 1) and 126 foxes from the protected mountain region (Group 2) of Slovakia, collected during 2010-2014 were tested for the presence of antibodies against Toxoplasma gondii using indirect ELISA and Neospora caninum by competitive ELISA. The tissue and uncoagulated blood samples were examined for the presence of the parasite's DNA. The total seropositivity to T. gondii was 62.7% (190/303) and to N...
December 1, 2016: Acta Parasitologica
Rina Sriwati, Sota Ozawa, Jans Morffe, Koichi Hasegawa
Nematodes, belonging to the family Thelastomatidae, are parasites of saprophytic terrestrial arthropods, mainly cockroaches. American cockroach Periplaneta americana (Linnaeus, 1758) has high environmental adaptability, and has been spread worldwide by human activity. There are several reports of thelastomatid parasitic nematodes of P americana in the world. Here, the thelastomatid nematode Hammerschmidtiella diesingi (Hammerschmidt, 1838) (Oxyuridomorpha: Thelastomatidae), isolated from P americana is recorded for the first time in Japan...
December 1, 2016: Acta Parasitologica
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