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Isolated Human and Livestock Echinococcus Granulosus Genotypes Using Real-Time Pcr of Cox1 Gene in Northeast Iran Publisher Pubmed



Mohaghegh MA1 ; Yousofidarani H1 ; Jafarian AH2 ; Mirbadie SR3 ; Fasihiharandi M4 ; Ghavimi R5 ; Jabalameli Z6 ; Azami M7 ; Mohammadi M8 ; Hejazi SH9
Authors
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Authors Affiliations
  1. 1. Department of Parasitology and Mycology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Department of Pathology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
  3. 3. School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
  4. 4. School of Medicine, Research Center for Hydatid Disease in Iran, Kerman University of Medical Sciences, Kerman, Iran
  5. 5. Department of Pharmaceutical Biotechnology, School of Pharmacy, Isfahan University of Medical Sciences, Isfahan, Iran
  6. 6. Department of Laboratory Sciences, School of Paramedical Sciences, Torbat Heydariyeh University of Medical Sciences, Torbat Heydariyeh, Iran
  7. 7. Skin Diseases and Leishmaniasis Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  8. 8. The Persian Gulf Marine Biotechnology Research Center, Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran
  9. 9. Department of Parasitology and Mycology, School of Medicine, Skin Diseases and Leishmaniasis Research Center, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Acta Parasitologica Published:2019


Abstract

Purpose: Cystic echinococcosis (CE), caused by the metacestode of Echinococcus granulosus, is highly endemic over large parts of Iran. The purpose of this study was to investigate the prevalence rate of hydatidosis and mitochondrial cox1 real-time PCR with high-resolution melting curve (HRM) analysis of E. granulosus isolated from human and livestock. Methods: In this cross-sectional study, 61 formalin-fixed paraffin-embedded tissue isolates were collected from human CE cases and 83 hydatid cysts from the liver and lung lesions of the livestock in Khorasan Razavi province, Northeast Iran. DNA was extracted from each isolate and amplified by real-time PCR and analyzed using the HRM method. Results: The HRM analysis using the cox1 gene of 40 E. granulosus human isolates showed that 35 (87.5%), 4 (10%), and 1 (2.5%) of the isolates were categorized as G1, G3, and G6 genotypes, respectively. Out of the total 1342 livestock inspected, 39 (4%) goats and 44(12%) cattle were found harboring hydatid cysts all belonging to E. granulosus sensu stricto. Conclusion: The results confirmed that the high prevalence of E. granulosus sensu stricto in intermediate hosts is remarkable in northeast of Iran coupled with the high prevalence of infection in livestock, which reinforced the need for hydatidosis control programs in this region. © 2019, Witold Stefanski Institute of Parasitology, Polish Academy of Sciences.
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