molecular differentiation of sheep and cattle isolates of fasciola hepatica using rapd-pcr
نویسندگان
چکیده
understanding genetic structure and status of genetic variation of fasciola hepatica isolates from different hosts, has important implications on epidemiology and effective control of fasciolosis. random amplified polymorphic dna (rapd-pcr) was used to study the genetic variation of f. hepatica in sheep and cattle. dna was extracted from adult helminthes removed from livers of each infected animal in slaughterhouse at east-azerbaijan province, north-west of iran. dna template amplified by the polymerase chain reaction, using three oligonucleotide decamers with arbitrary dna sequences as primers. rapd patterns showed the specific but different pattern dna patterns for each primer. the intraspecific similarity coefficient within two isolates of f. hepatica was ranged between 69 to 100%. present findings showed that the interspecific genetic distance was higher than intraspecific genetic distances (19-47% compares to 0-19%). pair wise similarity matrices generated from each isolates-primer combination were totaled and the similarity coefficient between strains were calculated both manually (nei and li method) and software analysis (free-tree-freeware program). the inferred phylogenetic tree on the fingerprinting of these isolates clearly demonstrated the existence of population genetic diversity sub structuring within f. hepatica of sheep and cattle of iran, raising interesting questions on the host specificity, epidemiology (e.g., zoonotic transmission) and ecology of this fluke. rapd-pcr is useful for both individual identification and epidemiological investigations in endemic regions.
منابع مشابه
Molecular differentiation of sheep and cattle isolates of Fasciola hepatica using RAPD-PCR
Understanding genetic structure and status of genetic variation of Fasciola hepatica isolates from different hosts, has important implications on epidemiology and effective control of fasciolosis. Random amplified polymorphic DNA (RAPD-PCR) was used to study the genetic variation of F. hepatica in sheep and cattle. DNA was extracted from adult helminthes removed from livers of each infected ani...
متن کاملmolecular characterization of fasciola hepatica isolates by rapd-pcr and ribosomal its1 sequencing
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Determination of somatic and excretory-secretory antigens of Fasciola hepatica and Fasciola gigantica using SDS-PAGE
Human fascioliasis due to unknown species and animal fascioliasis caused by both or one of Fasciola spp. are commonly seen in Iran. To compare electrophoretic patterns of somatic and excretory-secretory antigens of F. hepatica and F. gigantica by sodium dodecyl sulphate polyacrylamide gel electrophoresis (SDS-PAGE), the adult flukes were collected from infected slaughtered bovine livers. E/S a...
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BACKGROUND Fascioliasis is considered as the most important helminthic infection of cattle and sheep. Traditional approaches using morphological and biologic characters cannot cause a certainty in the accurate and precise identification and intra-specific differences of Fasciola spp. In this study, we identified Fasciola species using ITS-1 marker and described genetic variation of each species...
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Fasciolosis is the burning problem of the livestock rearing community having huge morbidity, mortality, and economic losses to livestock industries in our country Pakistan. The faecal and liver biopsy samplings were examined by polymerase chain reaction (PCR) and microscopy technique during the entire study. A total of 307 samples including 149 samples from Karak and 158 samples from Kohat abat...
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عنوان ژورنال:
archives of razi instituteناشر: razi vaccine & serum research institute (rvsri)
ISSN 0365-3439
دوره 67
شماره 2 2016
کلمات کلیدی
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