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High-Resolution Melting Analysis As an Appropriate Method to Differentiate Between Fasciola Hepatica and F. Gigantica Publisher



Hosseinisafa A1 ; Rokni MB1 ; Mosawi SH2 ; Heydarian P3 ; Azizi H4 ; Davari A1 ; Aryaiepour M1, 5
Authors
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Authors Affiliations
  1. 1. Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Department of Biology and Microbiology, Faculty of Medical Technology, Khatam Al-Nabieen University, Kabul, Afghanistan
  3. 3. Department of Medical Parasitology and Mycology, School of Medicine, Qazvin University of Medical Sciences, Qazvin, Iran
  4. 4. Department of Microbiology and Parasitology, School of Medicine, Zabol University of Medical Sciences, Zabol, Iran
  5. 5. Department of Medical Parasitology and Mycology, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Source: Iranian Journal of Public Health Published:2019


Abstract

Background: Fasciolosis is a shared disease between humans and livestock caused by hepatic trematodes; Fasciola hepatica and F. gigantica. Differentiate between the two species of this genus is essential. High-Resolution Melting (HRM) Analysis represents a new approach to this issue. This method can be performed right after termination of Real-Time PCR. This technique has not been used for identification of adult F. hepatica and F. gigantica genotypes. The aim of this study was to determine Fasciola species by using HRM in isolates taken from Iran, respectively. Methods: Ninety-three Fasciola spp. samples were collected from infected slaughtered animals in different regions of Iran, including North West (Ardebil Province) and South East (Zahedan Province) during 2016. Genomic DNA from the samples was extracted using a DNA extraction kit and then after Real-Time PCR amplification, HRM was done. Results: Overall, 59 and 34 isolates were identified as F. hepatica and F. gigantica, respectively. The percentages of each species from animals were as follows: sheep (F. hepatica, 80.39% and F. gigantica, 19.61%), cattle (F. hepatica, 42.85% and F. gigantica, 57.15%). Conclusion: HRM technique developed in the present study is a powerful, rapid and sensitive technique for epidemiological survey and molecular identification between F. hepatica and F. gigantica. © 2019, Iranian Journal of Public Health. All rights reserved.
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