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Information Journal Paper

Title

Molecular Characterization and Analysis of 16S Ribosomal DNA in some Isolates of Demodex folliculorum

Pages

  224-229

Abstract

 Background: Demodicosis is one of the most prevalent skin diseases resulting from infestation by Demodex mites. This parasite usually inhabits in follicular infundibulum or sebaceous duct transmitted through close contact with an infested host. Methods: This study was carried from September 2014 to January 2016 at Tehran University of Medical Sciences, Tehran, Iran. DNA extraction and amplification of 16S ribosomal RNA was performed on four isolates, obtained from four patients and identified morphologically through clearing with 10% Potassium hydroxide (KOH) and microscopical examination. Amplified fragments from the isolates were compared with GenBank database and Phylogenetic analysis was carried out using MEGA6 software. Results: A 390 bp fragment of 16S rDNA was obtained in all isolates and analysis of generated sequences showed high similarity with those submitted to GenBank, previously. Intra-species similarity and distance also showed 99. 983% and 0. 017, respectively, for the studied isolates. Multiple alignments of the isolates showed Single Nucleotide Polymorphisms (SNPs) in 16S rRNA fragment. Phylogenetic analysis revealed that all 4 isolates clustered with other D. folliculorum, recovered from GenBank database. Our accession numbers KF875587 and KF875589 showed more similarity together in comparison with two other studied isolates. Conclusion: Mitochondrial 16S rDNA is one of the most suitable molecular barcodes for identification D. folliculorum and this fragment can use for intra-species characterization of the most human-infected mites.

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    • Cite

    APA: Copy

    DANESHPARVAR, Afrooz, MOWLAVI, GHOLAMREZA, MIRJALALI, HAMED, HAJJARAN, HOMA, MOBEDI, IRAJ, NADDAF, SAIED REZA, SHIDFAR, MOHAMMAD REZA, & MAKKI, MAHSA SADAT. (2017). Molecular Characterization and Analysis of 16S Ribosomal DNA in some Isolates of Demodex folliculorum. IRANIAN JOURNAL OF PARASITOLOGY, 12(2), 224-229. SID. https://sid.ir/paper/304192/en

    Vancouver: Copy

    DANESHPARVAR Afrooz, MOWLAVI GHOLAMREZA, MIRJALALI HAMED, HAJJARAN HOMA, MOBEDI IRAJ, NADDAF SAIED REZA, SHIDFAR MOHAMMAD REZA, MAKKI MAHSA SADAT. Molecular Characterization and Analysis of 16S Ribosomal DNA in some Isolates of Demodex folliculorum. IRANIAN JOURNAL OF PARASITOLOGY[Internet]. 2017;12(2):224-229. Available from: https://sid.ir/paper/304192/en

    IEEE: Copy

    Afrooz DANESHPARVAR, GHOLAMREZA MOWLAVI, HAMED MIRJALALI, HOMA HAJJARAN, IRAJ MOBEDI, SAIED REZA NADDAF, MOHAMMAD REZA SHIDFAR, and MAHSA SADAT MAKKI, “Molecular Characterization and Analysis of 16S Ribosomal DNA in some Isolates of Demodex folliculorum,” IRANIAN JOURNAL OF PARASITOLOGY, vol. 12, no. 2, pp. 224–229, 2017, [Online]. Available: https://sid.ir/paper/304192/en

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