1,079 results match your criteria Acta Parasitologica[Journal]


First Record of the Sinus Worm Skrjabingylus petrowi (Nematoda: Metastrongyloidea) in a Pine Marten Martes martes from Poland.

Acta Parasitol 2021 May 12. Epub 2021 May 12.

Musée National D'Histoire Naturelle, 2160, Luxembourg, Luxembourg.

Background: Skrjabingylus spp. are nematodes that parasitize in the frontal and nasal sinuses of small mustelids. In Europe, the two species S. Read More

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Characithecium spp. (Monogenea: Dactylogyridae) from Astyanax bimaculatus (Characiformes: Characidae) in Northeast Brazil, with Description of a New Species.

Acta Parasitol 2021 May 12. Epub 2021 May 12.

Department of Biological Sciences, Regional University of Cariri (Urca), Rua Coronel Antônio Luiz, n° 1,161, Crato, Ceará, 63105-000, Brazil.

Purpose: To date, seven species of Characithecium Mendonza-Franco, Reina and Torchin, 2009 (Monogenea, Dactylogyridae) are valid, parasitizing mainly fishes of the family Characidae (Characiformes) in the Neotropical region. During a parasitological study of fishes in the Batateiras River and Carás stream, Ceará state, Brazil, two species of Characithecium were collected from the gills of Astyanax bimaculatus Linnaeus, 1758 (Characidae). The purpose of the present study is to describe a new species of monogenean of the genus Characithecium and report Characithecium costaricensis Mendoza-Franco, Reina and Torchin, 2009 in A. Read More

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Epidemiological Studies on Nematode Parasites of Domestic Geese (Anser anser f. domesticus) and First Molecular Identification and Phylogenetic Analysis of Heterakis dispar (Schrank, 1790) in Egypt.

Acta Parasitol 2021 May 11. Epub 2021 May 11.

Department of Parasitology, Faculty of Veterinary Medicine, South Valley University, Qena, Egypt.

Purpose: Gastrointestinal nematodes are one of the most important constraints of poor geese health and productivity, in addition to being involved in great economic losses for various poultry sectors. This study primarily aimed at determining the epidemiological profile and risk factors associated with the occurrence of gastrointestinal (GI) nematode parasites in geese in Egypt. The phylogenetic relationships between heterakids were the second aim. Read More

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Verification of the Spotted-Tail Quoll, Dasyurus maculatus, as a Definitive Host for the Pentastomid Linguatula sp. in Australia.

Acta Parasitol 2021 May 11. Epub 2021 May 11.

School of Animal and Veterinary Sciences, Charles Sturt University, Locked Bag 588, Wagga Wagga, NSW, 2678, Australia.

Purpose: Specimens of a pentastomid, identified as a nymphal Linguatula serrata, have previously been reported from the nasal cavity of the endangered Australian marsupial, the spotted-tail quoll, Dasyurus maculatus. These specimens were made available for morphological and molecular characterisation to confirm their species identity.

Methods: Specimens were examined by light microscopy. Read More

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Prevalence of Toxoplasma gondii and Cryptosporidium in Feral and Farmed American Mink (Neovison vison) in Denmark.

Acta Parasitol 2021 May 11. Epub 2021 May 11.

Centre for Diagnostic, Technical University of Denmark, Kemitorvet, Kgs, Lyngby, Denmark.

Purpose: To investigate the prevalence of Cryptosporidium spp. infection and Toxoplasma gondii antibodies in farmed and feral mink in Denmark.

Methods: We examined meat juice from 235 feral mink and 306 farmed mink for T. Read More

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Taxonomy, Population Structure and Genetic Diversity of Iranian Leishmania Strains of Cutaneous and Visceral Leishmaniasis.

Acta Parasitol 2021 May 3. Epub 2021 May 3.

Foodborne and Waterborne Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Background: Despite the broad distribution of leishmaniasis in Iran, there is a little genetic information about the causative agents and epidemiological status of the disease. Genetic diversity of the parasite is suggested to be one of the factors, which influences the clinical manifestations of the disease. In this study, we investigated the genetic variations, population structure, and evolutionary history of Leishmania species from endemic foci of Iran. Read More

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Comparative Evaluation of Two In Vitro Tests for Detection of Ivermectin Resistance in Haemonchus contortus of Small Ruminants in Uttar Pradesh, India.

Acta Parasitol 2021 Apr 29. Epub 2021 Apr 29.

Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, 243122, India.

Purpose: Resistance against ivermectin in India has been detected solely implementing in vivo tests and there is no published report of resistance employing in vitro methods. The present study was carried out to study ivermectin resistance in H. contortus of small ruminants by two in vitro tests and to determine their efficacy in effectively detecting ivermectin resistance in the field isolates. Read More

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Molecular Characterization of Blastocystis in Captive and Free-Ranging New World Primates, Platyrrhini.

Acta Parasitol 2021 Apr 29. Epub 2021 Apr 29.

Fish and Wildlife Disease Laboratory, State University of New York College of Environmental Science and Forestry, Syracuse, NY, USA.

Purpose: Blastocystis species are widely distributed micro-eukaryote parasites found in both human and nonhuman primates. Despite having a global distribution, descriptions of Blastocystis subtype diversity in neotropical primates is largely limited to captive animals. The aim of this study was to molecularly characterize the presence of Blastocystis in free-ranging black-headed night monkeys, Aotus nigriceps, and to analyze Blastocystis heterogeneity in primates of the Parvorder Platyrrhini. Read More

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Iberian Distribution of the Freshwater Snail Genus Bithynia Leach, 1818 (Mollusca: Truncatelloidea), Vector of Opisthorchiasis and Metorchiasis.

Acta Parasitol 2021 Apr 25. Epub 2021 Apr 25.

Museu Valencià d'Història Natural and i\Biotaxa, l'Hort de Feliu-Alginet, Alginet, P.O. Box 8460, 46018, Valencia, Spain.

Background: Opisthorchis felineus and Metorchis bilis are trematodes that cause opisthorchiasis and metorchiasis, respectively. The freshwater snails Bithynia hispanica and B. tentaculata are the respective intermediate hosts for these parasites in the Iberian Peninsula, where both parasites are present. Read More

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Mice Intragastric Infected with Insect and Blood Trypomastigotes of Trypanosoma cruzi IV: Differences and Similarities on the Evolution Profile and Response to Etiological Treatment.

Acta Parasitol 2021 Apr 23. Epub 2021 Apr 23.

Post-Graduate Program of Biological Sciences, Biological Sciences Center at State University of Maringa, Maringa, Paraná, Brazil.

Purpose: Our goal was to analyze the outcome of infection and response to benznidazole (BZ) treatment in mice intragastrically inoculated with trypomastigotes forms of Trypanosoma cruzi from different origins.

Methods: Twenty-four Swiss mice were divided in two groups and inoculated, by gavage, with 1 × 10 blood trypomastigotes (BT) or insect-derived metacyclic trypomastigotes (IT) of AM14 strain (T. cruzi IV). Read More

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First Data on the Parasites of the Pacific Kingcroaker Menticirrhus elongatus (Perciformes: Sciaenidae): Description of a New Species of Rhamnocercoides (Dactylogyridea: Diplectanidae).

Acta Parasitol 2021 Apr 23. Epub 2021 Apr 23.

Departamento de Parasitologia Animal, Universidade Federal Rural do Rio de Janeiro, Seropédica, RJ, CEP 23851-970, Brazil.

Introduction: A new monogenean, Rhamnocercoides lambayequensis n. sp. (Dactylogyridea: Diplectanidae), is described based on the specimens collected from the gills of the Pacific kingcroaker Menticirrhus elongatus (Günther 1864) (Perciformes: Sciaenidae), a demersal fish endemic to Eastern Pacific, captured off the South American Pacific coast, Lambayeque Region, Peru. Read More

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The Association Between the Syrian Crisis and Cutaneous Leishmaniasis in Lebanon.

Acta Parasitol 2021 Apr 22. Epub 2021 Apr 22.

Department of Internal Medicine, Division of Infectious Diseases, American University of Beirut Medical Center, Beirut, Lebanon.

Introduction: Displacement of refugees from highly endemic areas of leishmaniasis to adjacent countries is associated with the spread of Leishmania. Syria is a country with a known high endemicity for cutaneous leishmaniasis and the presence of Syrian refugees in Lebanon has contributed to the re-emergence of the disease. The aim of this article is to evaluate the burden of cutaneous leishmaniasis in Lebanon in view of the presence of a large number of Syrian refugees. Read More

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Gastrointestinal Parasitism in Przewalski Horses (Equus ferus przewalskii).

Acta Parasitol 2021 Apr 22. Epub 2021 Apr 22.

CIISA-Centro de Investigação Interdisciplinar Em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477, Lisboa, Portugal.

Purpose: Przewalski's horse (Equus ferus przewalskii) is a subspecies of Equus ferus classified as endangered by the International Union for Conservation of Nature (IUCN), whose gastrointestinal (GI) parasitism has been studied in different populations, in situ and ex situ, during the last decades. We aimed to summarize the information available on the subject.

Methods: In this review, we collected information from distinct published literature, interpreted it, compared it and related the Przewalski's horse biology and ecology with different findings. Read More

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An Unusual Type of Neoechinorhynchus cylindratus (Acanthocephala: Neoechinorhynchidae) from Gambusia affinis in Peru, with Notes on Introductions.

Acta Parasitol 2021 Apr 22. Epub 2021 Apr 22.

Laboratorio de Patobiología Acuática, Dirección General de Investigaciones en Acuicultura, Instituto del Mar del Perú (IMARPE), Esquina Gamarra y General Valle s/n. Casilla Postal 22, Callao, Peru.

Background: Neoechinorhynchus cylindratus Van Cleave (Zoo Anz 43: 177-1990, 1913) Van Cleave (Ill Natl Hist Surv Bull 13:225-257, 1919) is a North American acanthocephalan originally described from Micropterus salmoides (Lacépède) in Pelican Lake, Minnesota. It is common in Centrarchids but also not infrequent in fishes of other families.

Purpose: A unique population of N. Read More

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The Role of Oxidative and Nitrosative Stress of Silver Nanoparticles in Human Parasitic Helminth Brugia malayi: A Mechanistic Insight.

Acta Parasitol 2021 Apr 21. Epub 2021 Apr 21.

Department of Biochemistry, Institute of Medical Sciences, Banaras Hindu University, Uttar Pradesh, Varanasi, 221 005, India.

Purpose: Silver nanoparticles (AgNPs) mediated apoptosis is well-known but its rationale is yet to be elucidated. This study explored the mechanistic underpinning of the apoptosis in the Brugia malayi parasitic model.

Method: Silver nanoparticles were synthesized and tested against B. Read More

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Occurrence of Dirofilaria immitis in Stray Dogs from Nepal.

Acta Parasitol 2021 Apr 21. Epub 2021 Apr 21.

, Vaxinano, Lille, France.

Background: Nematodes of the genus Dirofilaria are widespread vector-borne helminths (VBH) of veterinary relevance. Dirofilariosis caused by D. immitis is frequently diagnosed in dogs often showing a severe clinical condition known as heartworm disease. Read More

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Pseudocapillaria (Ichthyocapillaria) bumpi n. sp. (Nematoda: Capillariidae) Parasitising West African Lungfish Protopterus annectens (Owen, 1839) (Lepidosireniformes: Protopteridae) in Mozambique and Its Phylogenetic Position Within Capillariid Nematodes.

Acta Parasitol 2021 Apr 18. Epub 2021 Apr 18.

African Amphibian Conservation Research Group, Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa.

Introduction: Pseudocapillaria (Ichthyocapillaria) bumpi n. sp. (Nematoda: Capillariidae) is described from specimens infecting the digestive tract of the West African lungfish, Protopterus annectens (Owen) (Lepidosireniformes: Protopteridae). Read More

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Non-coding Regions of Mitochondrial DNA and the cox1 Gene Reveal Genetic Variability Among Local Belarusian Populations of the Causative Agent of Cercarial Dermatitis, Bird Schistosome Trichobilharzia szidati (Digenea: Schistosomatidae).

Acta Parasitol 2021 Apr 15. Epub 2021 Apr 15.

Laboratory of Genome Organization, Institute of Gene Biology of the Russian Academy of Sciences, Moscow, Russia.

Introduction: The cercariae of avian blood flukes Trichobilharzia szidati (Digenea, Schistosomatidae) are known to cause cercarial allergic dermatitis ("swimmer's itch") in humans. Global epidemics can have significant impacts on local tourism-related economies in recreational areas. Little is known about the genetic polymorphism of the parasite population, or about the variability of the non-coding regions of mitochondrial DNA (mtDNA) and the possibility of using this as a genetic marker. Read More

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The Common Occurrence of Theileria ovis in Tibetan Sheep and the First Report of Theileria sinensis in Yaks from Southern Qinghai, China.

Acta Parasitol 2021 Apr 11. Epub 2021 Apr 11.

National Research Center for Wildlife Borne Diseases, Institute of Zoology, Chinese Academy of Sciences, Beichen West Road, Chaoyang District, Beijing, 100101, China.

Purpose: The tick-borne protozoa piroplasms, including Theileria and Babesia, are the cause of substantial economic losses to the livestock industry. However, in southern Qinghai province, China, there are limited information on the molecular characteristics of piroplasms. This study therefore aimed at determining the prevalence and genetic diversity of piroplasms. Read More

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Assessment of Microscopic Detection of Malaria with Nested Polymerase Chain Reaction in War-Torn Federally Administered Tribal Areas of Pakistan.

Acta Parasitol 2021 Apr 11. Epub 2021 Apr 11.

Department of Biochemistry, University of Gujrat, Gujrat, Punjab, Pakistan.

Introduction: Diagnostic accuracy of malaria is critical for early treatment, control, and elimination of malaria, especially in war-affected malaria-endemic areas. Microscopic detection of Plasmodium species has been the gold standard in remote malaria-endemic regions. However, the diagnostic accuracy is still questioned, especially in discriminating mixed and submicroscopic parasitic levels. Read More

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microRNA-155 Expression and Butyrylcholinesterase Activity in the Liver Tissue of Mice Infected with Toxoplasma gondii (Avirulent and Virulent Strains).

Acta Parasitol 2021 Apr 11. Epub 2021 Apr 11.

Department of Parasitology, Medical Research Institute, Alexandria University, Alexandria, Egypt.

Purpose: Toxoplasma gondii is an apicomplexan parasite that exhibits distinct strain-related virulence patterns in mice. It can induce hepatic inflammation. The present study investigated MicroRNA-155 (miRNA-155) expression and butyrylcholinesterase (BChE) activity in the liver tissue of mice infected with virulent and avirulent strains of T. Read More

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MDR1 protein (ABC-C1) Over Expression in Giardia Intestinalis Incubated with Albendazole and Nitazoxanide.

Acta Parasitol 2021 Apr 11. Epub 2021 Apr 11.

Departamento de Zoología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Carpio y Plan de Ayala S/N, Casco de Santo Tomás, Ciudad de México, 11340, México.

Background: Giardia intestinalis is a worldwide parasite. Drugs used for the treatment of giardiasis are metronidazole, albendazole and nitazoxanide. The development of drug resistance is an obstacle to the effective treatment. Read More

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Effect of Pistacia lentiscus L. Vegetable Oil on Growth Performance and Coccidiosis in Broiler Chickens: In vitro and In vivo Assessment.

Acta Parasitol 2021 Apr 7. Epub 2021 Apr 7.

GRAL Laboratory "Management of Local Animal Resources, National Veterinary School, Issad Abbes avenue, Oued Smar, Algiers, Algeria.

This study aims to assess the ability of vegetable oil of Pistacia lentiscus L. (lentiscus oil) in stimulating growth performance of broiler chickens and protecting them against coccidiosis. For this purpose, an in vitro test was first carried out to evaluate the destructive effect of this oil on Eimeria spp oocysts. Read More

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In vitro Evaluation of the Nutraceutical Potential of Theobroma cacao pod Husk and Leaf Extracts for Small Ruminants.

Acta Parasitol 2021 Apr 5. Epub 2021 Apr 5.

Facultad de Medicina Veterinaria Y Zootecnia, Universidad Autónoma de Yucatán, Km 15.5 Carretera Mérida-Xmatkuil, CP 97100, Mérida, Yucatán, Mexico.

Purpose: Some agroindustrial by-products could be used as nutraceutical materials for small ruminants helping with their nutrition while controlling their gastrointestinal nematodes. This study evaluated the potential in vitro nutraceutical value of pod husks and leaves of three varieties of Theobroma cacao using two Haemonchus contortus isolates with different polyphenol susceptibility.

Methods: Leaves and husks from three T. Read More

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Comparative Analysis of Proteins of Functionally Different Body Parts of the Fish Parasites Triaenophorus nodulosus and Triaenophorus crassus.

Acta Parasitol 2021 Apr 5. Epub 2021 Apr 5.

Department of Invertebrate Zoology, St Petersburg State University, 7/9A Universitetskaya St, 199034, St Petersburg, Russia.

Purpose: Studies of proteins expressed in the morphological structures of the parasite are necessary for elucidating the biological functions of unknown proteins and understanding the molecular basis of parasitism. The research aim was to investigate the spatial distribution of major proteins in scolex, immature and gravid proglottids of Triaenophorus nodulosus and Triaenophorus crassus.

Methods: Protein extracts of worm body parts were analyzed using two-dimensional difference gel electrophoresis (DIGE) and mass spectrometry. Read More

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A Survey on How Ocular Surface Demodex Infestation Interactively Associates with Diabetes Mellitus and Dry Eye Disease.

Acta Parasitol 2021 Apr 3. Epub 2021 Apr 3.

Department of Ophthalmology, Zhujiang Hospital, Southern Medical University, No. 253 Industrial Avenue Center, Haizhu District, Guangzhou, Guangdong, China.

Purpose: Prevention of ocular surface (OS) Demodex infestation plays an important role in OS hygiene and variety of factors may be associated with it, in which diabetes mellitus (DM) or dry eye disease (DED) has caught the attention of most scholars. However, there has been no research on whether there was a potential interaction between DM and DED in the process of OS Demodex infestation. This cross-sectional study was implemented in Zhujiang Hospital of Southern Medical University. Read More

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The Immunization of Protoscolices P29 DNA Vaccine on Experimental Cystic Echinococosis in Balb/c Mice.

Acta Parasitol 2021 Apr 3. Epub 2021 Apr 3.

Basic Sciences Department, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran.

Purpose: Cystic Echinococosis is one of the important parasitic diseases that is considered as a problem economics and health in many parts of the world. Many efforts have been performed for controlling the disease in the world. To reach a reliable vaccine against Cystic Echinococosis is one of the important duty of governments. Read More

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A Challenging Diagnosis of Two Ruptured and Intact Pulmonary Echinococcal Cysts in a 54-Year-Old Woman: A Case Report.

Acta Parasitol 2021 Apr 3. Epub 2021 Apr 3.

Department of Radiology, Health Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.

Purpose: Echinococcosis is one of the most important parasitic zoonotic diseases around the world. Echinococcus granulosus is the most widespread species of the genus Echinococcus that can develop cysts in different parts of the body. We tried to present a case of pulmonary cystic echinococcosis. Read More

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Genotyping of Deltamethrin Resistance in Rhipicephalus (Boophilus) microplus Population in Kerala, South India.

Acta Parasitol 2021 Apr 3. Epub 2021 Apr 3.

School of Applied Animal Production and Biotechnology, College of Veterinary and Animal Sciences, Kerala Veterinary and Animal Sciences University, Mannuthy, Thrissur, Kerala, 680651, India.

Purpose: Genotyping of Rhipicephalus (Boophilus) microplus for polymorphisms in deltamethrin-resistant loci of sodium channel gene by allele-specific PCR (AS-PCR).

Methods: Adult R. (B. Read More

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New Salinity Tolerant Species of Gyrodactylus (Platyhelminthes, Monogenea) on Intertidal and Supratidal Fish Species from the Chilean Coast.

Acta Parasitol 2021 Apr 1. Epub 2021 Apr 1.

Ecology and Genetics, University of Oulu, POB 3000, 90014, Oulu, Finland.

Purpose: The intertidal and supratidal coastal zone challenges the osmoregulatory capacity of aquatic inhabitants. Four new species of Gyrodactylus ectoparasites on two intertidal fishes from Chile are described based on molecular and morphological analyses.

Methods: Monogeneans were found from two fish species, the clingfish Sicyases sanguineus Müller & Troschel, 1843 and the combtooth blenny Scartichthys viridis Valenciennes, 1836. Read More

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