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Petney TN, Andrews RH, Saijuntha W, Wenz-mücke A, Sithithaworn P. The zoonotic, fish-borne liver flukes Clonorchis sinensis, Opisthorchis felineus and Opisthorchis viverrini. Int J Parasitol 2013; 43:1031-46. [DOI: 10.1016/j.ijpara.2013.07.007] [Citation(s) in RCA: 136] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2013] [Revised: 07/24/2013] [Accepted: 07/24/2013] [Indexed: 01/02/2023]
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Brusentsov II, Katokhin AV, Brusentsova IV, Shekhovtsov SV, Borovikov SN, Goncharenko GG, Lider LA, Romashov BV, Rusinek OT, Shibitov SK, Suleymanov MM, Yevtushenko AV, Mordvinov VA. Low genetic diversity in wide-spread Eurasian liver fluke Opisthorchis felineus suggests special demographic history of this trematode species. PLoS One 2013; 8:e62453. [PMID: 23634228 PMCID: PMC3636034 DOI: 10.1371/journal.pone.0062453] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2012] [Accepted: 03/21/2013] [Indexed: 01/09/2023] Open
Abstract
Opisthorchis felineus or Siberian liver fluke is a trematode parasite (Opisthorchiidae) that infects the hepato-biliary system of humans and other mammals. Despite its public health significance, this wide-spread Eurasian species is one of the most poorly studied human liver flukes and nothing is known about its population genetic structure and demographic history. In this paper, we attempt to fill this gap for the first time and to explore the genetic diversity in O. felineus populations from Eastern Europe (Ukraine, European part of Russia), Northern Asia (Siberia) and Central Asia (Northern Kazakhstan). Analysis of marker DNA fragments from O. felineus mitochondrial cytochrome c oxidase subunit 1 and 3 (cox1, cox3) and nuclear rDNA internal transcribed spacer 1 (ITS1) sequences revealed that genetic diversity is very low across the large geographic range of this species. Microevolutionary processes in populations of trematodes may well be influenced by their peculiar biology. Nevertheless, we suggest that lack of population genetics structure observed in O. felineus can be primarily explained by the Pleistocene glacial events and subsequent sudden population growth from a very limited group of founders. Rapid range expansion of O. felineus through Asian and European territories after severe bottleneck points to a high dispersal potential of this trematode species.
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Affiliation(s)
- Ilja I. Brusentsov
- Laboratory of Molecular Mechanisms of Pathological Processes, Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
| | - Alexey V. Katokhin
- Laboratory of Molecular Mechanisms of Pathological Processes, Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
| | - Irina V. Brusentsova
- Laboratory of Molecular Mechanisms of Pathological Processes, Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
| | - Sergei V. Shekhovtsov
- Laboratory of Molecular Biotechnology, Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
| | - Sergei N. Borovikov
- Department of Animal Biotechnology, S.Seifullin Kazakh Agrotechnical University, Astana, Republic of Kazakhstan
| | | | - Lyudmila A. Lider
- Department of Veterinary Medicine, S.Seifullin Kazakh Agrotechnical University, Astana, Republic of Kazakhstan
| | - Boris V. Romashov
- Scientific Department, Voronezh State Biosphere Reserve, Voronezh, Russia
| | - Olga T. Rusinek
- Department of Parasitology, The Baikal Museum at the Irkutsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Listvyanka, Irkutsk, Russia
| | - Samat K. Shibitov
- Department of Epizootological Problems, All-Russian K.I. Skryabin Institute of Helminthology, Moscow, Russia
| | - Marat M. Suleymanov
- Laboratory of Molecular Mechanisms of Pathological Processes, Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
| | - Andrey V. Yevtushenko
- Department of Parasitology Ichthyopathology and Arachnology, National Scientific Center “Institute of Experimental and Clinical Veterinary Medicine”, Kharkov, Ukraine
| | - Viatcheslav A. Mordvinov
- Laboratory of Molecular Mechanisms of Pathological Processes, Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
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Al-Sabi MNS, Chriél M, Jensen TH, Enemark HL. Endoparasites of the raccoon dog (Nyctereutes procyonoides) and the red fox (Vulpes vulpes) in Denmark 2009-2012 - A comparative study. Int J Parasitol Parasites Wildl 2013; 2:144-51. [PMID: 24533328 PMCID: PMC3862527 DOI: 10.1016/j.ijppaw.2013.04.001] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Revised: 03/26/2013] [Accepted: 04/02/2013] [Indexed: 11/20/2022]
Abstract
Raccoon dogs recently invaded Denmark. Raccoon dogs and foxes harboured several helminths, some are zoonotic. A markedly different helminth fauna was evident between the two hosts. A fox was infected with Echinococcus multilocularis, no Trichinella spp. were detected. Wildlife surveillance is a foundation for the protection against communicable parasites.
Invasive species negatively influence the biodiversity of the ecosystems they invade and may introduce pathogens to native species. Raccoon dogs have very successfully invaded Europe, including, recently, Denmark. This study included analyses of gastrointestinal helminths and Trichinella spp. from 99 raccoon dogs and 384 native red foxes collected from October 2009 to March 2012. The sedimentation and counting method used revealed that raccoon dogs and foxes harboured 9 and 13 different helminth species, respectively, of which several known to be zoonotic. Significantly more nematode and cestode species were found in foxes while raccoon dogs had more trematode species. Rodent transmitted parasites were more prevalent in foxes, while amphibian transmitted parasites were more prevalent in raccoon dogs. One fox was infected with Echinococcus multilocularis (0.3%), while no Trichinella spp. were detected in raccoon dogs or foxes. The trematode Brachylaima tokudai was detected for the first time in Denmark in five of 384 foxes (1.3%). Prevalences of Pygidiopsis summa (3.0% and 3.4%) and Cryptocotyle spp. (15.2% and 15.4%) were comparable in raccoon dogs and foxes, respectively. Four helminth species were more prevalent in foxes than in raccoon dogs: Toxocara canis (60.9% and 13.1%); Uncinaria stenocephala (84.1% and 48.5%); Mesocestoides spp. (42.7% and 23.2%); and Taenia spp. (30.7% and 2.0%), respectively. Three helminth species were more prevalent in raccoon dogs than in foxes: Dipylidium caninum (5.1% and 0.3%); Mesorchis denticulatus (38.4% and 4.2%); and Alaria alata (69.7% and 34.4%), respectively. T. canis was more abundant in foxes while A. alata was more abundant in raccoon dogs. The intestinal distribution of a number of helminth species was comparable between hosts, but highly variable between parasite species. Inherent biological factors and host invasion of new areas might have shaped these marked differences in helminth fauna between the invasive raccoon dog and the native red fox.
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Affiliation(s)
- Mohammad Nafi Solaiman Al-Sabi
- Section for Bacteriology, Pathology and Parasitology, National Veterinary Institute, Technical University of Denmark, DK-1870 Frederiksberg C, Denmark
- Corresponding author. Tel.: +45 35886196.
| | - Mariann Chriél
- Section for Bacteriology, Pathology and Parasitology, National Veterinary Institute, Technical University of Denmark, DK-1870 Frederiksberg C, Denmark
| | - Trine Hammer Jensen
- Department of Biotechnology, Chemistry and Environmental Engineering Aalborg University/Aalborg Zoo, DK-9000 Aalborg, Denmark
| | - Heidi Larsen Enemark
- Section for Bacteriology, Pathology and Parasitology, National Veterinary Institute, Technical University of Denmark, DK-1870 Frederiksberg C, Denmark
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Pozio E, Armignacco O, Ferri F, Gomez Morales MA. Opisthorchis felineus, an emerging infection in Italy and its implication for the European Union. Acta Trop 2013; 126:54-62. [PMID: 23337391 DOI: 10.1016/j.actatropica.2013.01.005] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2012] [Revised: 01/07/2013] [Accepted: 01/09/2013] [Indexed: 11/30/2022]
Abstract
The liver fluke Opisthorchis felineus is one of the few zoonotic trematodes that circulates in the European Union (EU). It is transmitted from freshwater snails to fish and then to fish-eating mammals, including humans, in which it causes opisthorchiasis. In the 20th century, the majority of infections in humans have been reported in Eastern Europe (e.g., Belarus, Russia, and Ukraine) and Asia (Siberia). In EU in the last fifty years, the parasite has been detected in humans of Germany and Greece, and in red foxes, polecats, cats, dogs, fish and mollusks of Germany, Italy, Poland, Portugal and Spain. In Italy, four individual cases and eight outbreaks of opisthorchiasis were reported from 2003 to 2011, for a total of 211 confirmed infections in humans. All infected persons had consumed raw fillets of tench (Tinca tinca) fished from two lakes in central Italy, but some of infected people were tourists who developed the disease in their respective home-countries. In the past decade, it has become increasingly popular to consume raw marinated fillets of fish. The objective of this review is to show how a change in human food habits have caused and increased the transmission of O. felineus, which has probably been circulating in the EU yet in a silent form for many years.
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Affiliation(s)
- Edoardo Pozio
- European Union Reference Laboratory for Parasites, Istituto Superiore di Sanità, viale Regina Elena 299, 00161 Rome, Italy.
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Mordvinov VA, Yurlova NI, Ogorodova LM, Katokhin AV. Opisthorchis felineus and Metorchis bilis are the main agents of liver fluke infection of humans in Russia. Parasitol Int 2011; 61:25-31. [PMID: 21840415 DOI: 10.1016/j.parint.2011.07.021] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2011] [Revised: 07/26/2011] [Accepted: 07/28/2011] [Indexed: 10/17/2022]
Abstract
Liver fluke infections are gradually transforming from a local problem of individual geographic regions to a widespread problem. The observed expansion is likely to be connected with the ever-increasing intensity of traffic flow and migration of the infected carriers between cities, regions, and countries. Opisthorchis felineus, the trematode belonging to the family Opisthorchiidae, is a well known causative agent of the infection called opisthorchiasis. Metorchis bilis, also a member of the family Opisthorchiidae, causes metorchiasis, a disease very close to opisthorchiasis in symptomatology. Genetic markers can be used to develop methods for differential diagnostics of these diseases. However, the questions connected with epidemiology of these trematode infections, their clinical characteristics, prognosis and therapy remain open. This review briefs the general biological characteristics of O. felineus and M. bilis persisting in various countries of Eurasia, their geographical range, epidemiology and molecular diagnostics of these liver flukes.
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