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Acta Parasitologica

Vasyl V Tkach, Andrew G Hope, Stephen E Greiman
BACKGROUND: Despite being a significant element of biodiversity and playing an important role in their hosts' physiology, ecology and evolution, parasites remain understudied and are often neglected during biotic surveys and other collection efforts. More often than not, it is due to the perception that parasitological examination requires specialized expertise and substantial additional time to perform. RESULTS: Herein, we provide an express method for recovery and fixation of endoparasites from the gastrointestinal tract of small mammals that can be used by both parasitologists and vertebrate biologists in either field or laboratory conditions...
February 14, 2019: Acta Parasitologica
Oliver Stevanović, Anastasia Diakou, Simone Morelli, Smiljana Paraš, Igor Trbojević, Drago Nedić, Željko Sladojević, Dragan Kasagić, Angela Di Cesare
AIMS: Aelurostrongylus abstrusus (Railliet, 1898) and Angiostrongylus chabaudi (Biocca, 1957) are important cardiopulmonary metastrongyloids in felids. This case report describes, for the first time, a natural and patent mixed infection caused by A. abstrusus and A. chabaudi in a European wildcat (Felis silvestris silvestris) from Bosnia and Herzegovina. Most important, this is a rare report of fatal parasitism in wildlife, involving a severe verminous bronchopneumonia and gastrointestinal nematode and cestode infection with Toxocara cati, Taenia taeniaeformis, Aonchotheca putorii, and Ancylostoma spp...
February 12, 2019: Acta Parasitologica
Viviane S Costa Fernandes, Omar Amin, Juliana N Borges, Cláudia P Santos
BACKGROUND: Twelve species of Filisoma Van Cleave, 1928 are recognized parasitizing tropical and subtropical fish. Four of these species were described from kyphosid fish and it has been suggested that a co-speciation may have occurred among species of Kyphosus Lacepède, 1801 and Filisoma, which could provide valuable information about the evolution history of this host-parasite system. PURPOSE: During a survey of the helminth fauna of Kyphosus sectatrix (Linnaeus, 1758) and Kyphosus incisor (Cuvier, 1831) (Kyphosidae Jordan, 1887) off Rio de Janeiro coast, a new species of Filisoma was found and is described herein based on morphological, genetic, and ultrastructural data...
February 11, 2019: Acta Parasitologica
Amina Taibi, Miriem Aissi, Khaled Harhoura, Safia Zenia, Houria Zait, Boussad Hamrioui
PURPOSE: The aim of our study is to establish the presence of Fasciola hepatica on farms in northeastern Algeria. METHODS: 143 blood and coprological samples of 15 males and 128 females of different breeds and ages were analysed. RESULTS: Our study indicates a heterogeneous level of the anti-f2 antibodies to Fasciola hepatica in response to the infection. The overall seroprevalence was about 22.37%, and 9 out of 13 investigated farms were infected, with rates varying from 5...
January 28, 2019: Acta Parasitologica
Onur Kolören, Zeynep Kolören, Zülal Atli Şekeroğlu, Melek Çolayvaz, Panagiotis Karanis
PURPOSE : The present study aimed to investigate the amoebicidal and amoebistatic efects of Artemisia argyi leaf methanolic extract by testing the effects on trophozoites and on cysts. We also determined cytotoxic effect, enzymatic and non-enzymatic antioxidant activities, total phenolic, lavonoid and antioxidative contents of A. argyi. METHODS: A. argyi was harvested from various geographic sites in Ordu province in Turkey. The fresh leaves were subjected to methanolic extraction. In 100 μl culture, different concentrations of A...
January 28, 2019: Acta Parasitologica
Tatiana Vaculová, Markéta Derdáková, Eva Špitalská, Radovan Václav, Michal Chvostáč, Veronika Rusňáková Tarageľová
BACKGROUND: Questing Ixodes ricinus ticks were collected in two urban parks (Železná studienka and Horský park) of the capital city of Slovakia, Bratislava, during two consecutive years in 2011 and 2012. A total of 932 ticks were analyzed for the presence of tick-borne agents: B. miyamotoi, B. burgdorferi s.l., A. phagocytophilum and R. helvetica. RESULTS: PCR analysis confirmed the presence of all pathogens at both localities. The overall infection prevalence of B...
January 22, 2019: Acta Parasitologica
Qingxun Zhang, Kongshang Liu, Chengmin Wang, Jing Luo, Jiqi Lu, Hongxuan He
BACKGROUND: Entamoeba spp. is one of the most common enteric parasites of humans and animals. PURPOSE: However, little information is available regarding prevalence and genotypes of Entamoeba spp. in wild Taihangshan macaques (Macaca mulatta tcheliensis). METHODS: In the present study, a total of 458 fecal samples from wild rhesus macaque in Taihangshan mountains area between September 2015 and November 2016, were collected and examined for the presence of six Entamoeba species by PCR amplification of the SSU rRNA gene...
January 22, 2019: Acta Parasitologica
Bárbara Brooklyn Timóteo Nascimento Silva, Luiz Carlos Alves, Fábio André Brayner, Nairomberg Cavalcanti Portela Junior, Fernanda das Chagas Angelo Mendes Tenório, Aline Cristina Silva Lira, Yuri Mateus Lima de Albuquerque, Clovis José Cavalcanti Lapa Neto, Valéria Wanderley-Teixeira, Álvaro Aguiar Coelho Teixeira
INTRODUCTION: Pomacea lineata acts as the natural biological controller of Biomphalaria glabrata, the intermediate host of Schistosoma mansoni, as they are found in the same environment. However, there are no studies reporting an infection in P. lineata due to S. mansoni. Thus, this work investigated parameters related to the immunity of P. lineata after exposure for 24 and 48 h to S. mansoni under experimental conditions. METHODS: The F1 generation of these snails was used in this study...
January 22, 2019: Acta Parasitologica
Delane C Kritsky
BACKGROUND: The present paper represented the third installment on the monogenoidean parasites collected during a workshop exploring the diversity of the parasites of fishes in Moreton Bay, Queensland, Australia. Previous reports on monogenoids collected during the workshop included species parasitizing beloniform and gerreid fishes. PURPOSE: During January 2016, the author, having responsibility for the identification and description of monogenoids, participated in a workshop supported by an Australian Biological Resources Study Grant to Drs...
January 22, 2019: Acta Parasitologica
Soumaya Hajaji, Mohamed-Amine Jabri, Dhouha Alimi, Mourad Rekik, Hafidh Akkari
BACKGROUND: Chamomile (Matricaria recutita L.) is a plant which has been reported to be effective in treating several parasitic and digestive diseases. The present study was conducted to evaluate the anthelmintic activity of chamomile methanolic extract (CME). METHODS: In vitro, the anthelmintic activities of CME were investigated on the L3 larvae of Heligmosomoides polygyrus in comparison to albendazole. In vivo, Swiss albino mice were infected with infective third (L3) larval stage of H...
January 22, 2019: Acta Parasitologica
Oliver Stevanović, Dejan Vujanić, Miljan Dobrijević, Drago Nedić
AIMS: This case report describes a clinical case of patent and natural infection with trichuroid Eucoleus aerophilus in a 5-month-old, mixed-breed female dog in Bosnia and Herzegovina. METHODS: A detailed history was taken from the owner. Physical exam and thoracic radiography were performed. Faecal sample was processed by the passive flotation tube test with saturated zinc sulphate solution. After the final diagnosis, a dose of 0.4 mg /kg ivermectin was applied subcutaneously to the diseased dog...
January 22, 2019: Acta Parasitologica
Omar M Amin, Richard A Heckmann, Meysam Sharifdini, Nagham Yaseen Albayati
Moniliformis cryptosaudi n. sp. (Moniliformidae) is an acanthocephalan described from the long-eared hedgehog Hemiechinus auritus (Gmelin) (Erinaceidae) in Iraq as an incipient cryptic species of Moniliformis saudi Amin, Heckmann, Mohammed, Evans, 2016 described from the desert hedgehog Paraechinus aethiopicus (Ehrenberg) (Erinaceidae) in Saudi Arabia. Microscopical studies demonstrate that the two species are morphologically indistinguishable with practically identical measurements and counts but differed significantly in their energy dispersive X-ray analysis (EDXA) of metal composition of hooks...
January 21, 2019: Acta Parasitologica
Edgar F Mendoza-Franco, Juan M Caspeta-Mandujano, Carlos Ramírez-Martínez
BACKGROUND: There are currently nine known gill monogenean species of Diaphorocleidus Jogunoori et al. (Systematic Parasitology 58:115-124, 2004) (Dactylogyridae) which are dispersed within and/or among five fish families in the Neotropical Characiformes: Bryconidae, Acestrorhynchidae, Characidae, Iguanodectidae, and Hemiodontidae. During a fish parasitological study carried out in the Rio Lacantún from Chiapas, Mexico, a new species of Diaphorocleidus on the gill lamellae of Brycon guatemalensis Regan, 1908, was discovered...
January 16, 2019: Acta Parasitologica
Fatih Cakir, Mutalip Cicek, Ibrahim Halil Yildirim
PURPOSE: The present study aimed to determine the frequency of subtypes of Blastocystis sp. in the immunosuppressed individuals, in patients with chronic urticaria, and in patients with GIS complaints to investigate the difference of Blastocystis sp. subtype distribution between patient and control groups. METHODS: A total of 345 stool samples were collected from the patients and samples were studied by native-Lugol, trichrome staining, and Jones medium culture method...
January 16, 2019: Acta Parasitologica
Wen-Chao Li, Kai Wang, You-Fang Gu
BACKGROUND: Enterocytozoon bieneusi, the dominant zoonotic species of microsporidia, has been reported in various animals and humans. However, relatively little information is available concerning the worldwide prevalence and genotypes of E. bieneusi in ruminants, such as sheep and goats. The present study was conducted to evaluate the prevalence and genetic characteristics of E. bieneusi in sheep and goats in east-central China. METHODS: Fresh fecal samples from 832 sheep and 781 goats were evaluated for the presence of E...
January 15, 2019: Acta Parasitologica
Neelam Kumari Gautam, Pawan Kumar Misra, Anand Murai Saxena
AIMS: Four new species of genus Pallisentis (Van Cleave, in Records Indian Mus 30:147-149, 1928) are described from the state of Uttar Pradesh, India, infecting freshwater fish. METHODS: The detailed morphology of all four species was studied using light and scanning electron microscopy. RESULTS: They are: Pallisentis lucknowensis n. sp. from Channa punctatus (Bloch 1785); Pallisentis amini n. sp. from Channa striatus (Bloch 1785); Pallisentis meyeri n...
January 15, 2019: Acta Parasitologica
Sujan K Sou, Kanchan K Sow, Anadi P Nandi
AIMS: The purpose of this article is to describe a new species of Rhabdias Stiles and Hassall, 1905 from West Bengal, India. Rhabdias bengalensis sp. nov. (Nematoda, Rhabdiasidae) recovered from the lungs of Asian common toad, Duttaphrynus melanostictus (Schneider, 1899), collected from Illambazar town, Birbhum district of West Bengal, India. METHODS: The collected nematode specimens were clean by shaking them in 0.67% NaCl solution and were killed and fixed in steaming 70% alcohol; lactophenol was used as a mounting medium for light microscopic examination...
January 15, 2019: Acta Parasitologica
Didem Pekmezci, Gokmen Zafer Pekmezci, Alparslan Yildirim, Onder Duzlu, Abdullah Inci
OBJECTIVE: This preliminary study was conducted to reveal that the molecular identity of Encephalitozoon spp. and Enterocytozoon bieneusi in indoor domestic cats' fecal samples from Turkey was screened using the PCR. MATERIALS AND METHODS: Nested PCR was performed using MSP and EBITS primers. All of the amplification products were sequenced to identify the microsporidia species. RESULTS: Four (5.5%) and three (4.1%) genomic DNA isolates of the fecal samples from 72 indoor domestic cats showed amplification of the ITS regions of E...
January 15, 2019: Acta Parasitologica
Mehmet Aykur, Cansu Calıskan Kurt, Derya Dirim Erdogan, Cigir Biray Avcı, Rukiye Vardar, Sohret Aydemir, Nogay Girginkardeşler, Cumhur Gündüz, Hande Dagci
BACKGROUND: Dientamoeba fragilis is a protozoan parasite of the human gastrointestinal tract and still controversial in association with gastrointestinal symptoms. PURPOSE: We present cross-sectional study of the prevalence of D. fragilis, and sociodemographic and clinical features in the patients with gastrointestinal symptoms. METHODS: A total of 490 fecal specimens were collected from outpatients with gastrointestinal symptoms in the Department of Parasitology, Faculty of Medicine, Ege University and Celal Bayar University, Turkey...
January 15, 2019: Acta Parasitologica
Gautam Patra, Parthasarathi Behera, Subhamoy Ghosh, Debashish Mohanta, Sonjoy Kumar Borthakur, Papia Biswas, Ajit Kumar, Apurba Debbarma
AIMS: Canine demodicosis is a parasitic condition affecting the skin of dogs. The present study was designed to characterize chitin synthase gene of Demodex canis. The molecular technique was used for better understanding of this gene. METHODS: A total of 75 dogs which are reared as pets with or without showing any skin lesions were examined during the study period. Skin scrapings were examined by indirect method using 10% potassium hydroxide solution under 10 × microscope...
January 15, 2019: Acta Parasitologica
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