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Information Journal Paper

Title

USE OF RESTRICTION FRAGMENT LENGTH POLYMORPHISM TO RAPIDLY IDENTIFY DERMATOPHYTE SPECIES RELATED TO DERMATOPHYTOSIS

Pages

  0-0

Keywords

POLYMORPHISM (GENETICS) 

Abstract

 Background: DERMATOPHYTEs are a group of keratinophilic fungi worldwide, which can infect the skin, hair and nails of humans and animals. This genus includes several species that present different features of DERMATOPHYTOSIS. Although, laboratory diagnosis of DERMATOPHYTEs is based on direct microscopy, biochemical tests and culture, these manners are expensive, time consuming and need skilled staff. Therefore, molecular methods like PCR-RFLP are the beneficial tools for identification, which are rapid and sensitive. Thus, DERMATOPHYTE species are able to generate characteristic band patterns on agarose gel electrophoresis using PCR-RFLP technique, which leads to successful identification at the species level within a 5-hour period.Objectives: The purpose of this study was to study inter- and intraspecific genomic variations for identification of clinically important DERMATOPHYTE species obtained from clinical specimens in Isfahan, Iran using PCR-RFLP.Materials and Methods: From March 2011 to August 2012, 135 clinical isolates were collected from infected patients at Isfahan, Iran. ITS1-5.8S-ITS2 region of rDNA was amplified using universal fungal primers. Subsequently, amplified products were digested by the MvaI restriction enzyme. Using discriminating band profiles on agarose gel, DERMATOPHYTE species were identified. However, DNA sequencing was used for unidentifiable strains.Results: The specimens were obtained from skin scrapings (70.3%), nail (24.4%) and hair (5.1%) clippings. Most patients were between 21 - 30 years and the ratio of male to female was 93/42. Trichophyton interdigitale was the commonest isolate (52.5%) in our findings, followed by Epidermophyton floccosum (24.4%), T. rubrum (16.2%), Microsporum canis (2.2%), T. erinacei (1.4%), T. violaceum (1.4%), T. tonsurans (0.7%) and M. gypseum (0.7%) based on PCR-RFLP.Conclusions: Combination of traditional methods and molecular techniques considerably improves identification of DERMATOPHYTEs in the species level in clinical laboratories, which can lead to properly antifungal therapy and successful management of infections. However, restriction and specificity and sensitivity should be lowered and increased, respectively, to be useful for a wide variety of clinical applications.

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    APA: Copy

    MOHAMMADI, RASOUL, ABASTABAR, MAHDI, MIRHENDI, HOSSEIN, BADALI, HAMID, SHADZI, SHAHLA, CHADEGANIPOUR, MUSTAFA, POURFATHI, PARINAZ, JALALIZAND, NILOUFAR, & HAGHANI, IMAN. (2015). USE OF RESTRICTION FRAGMENT LENGTH POLYMORPHISM TO RAPIDLY IDENTIFY DERMATOPHYTE SPECIES RELATED TO DERMATOPHYTOSIS. JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM), 8(6), 0-0. SID. https://sid.ir/paper/317532/en

    Vancouver: Copy

    MOHAMMADI RASOUL, ABASTABAR MAHDI, MIRHENDI HOSSEIN, BADALI HAMID, SHADZI SHAHLA, CHADEGANIPOUR MUSTAFA, POURFATHI PARINAZ, JALALIZAND NILOUFAR, HAGHANI IMAN. USE OF RESTRICTION FRAGMENT LENGTH POLYMORPHISM TO RAPIDLY IDENTIFY DERMATOPHYTE SPECIES RELATED TO DERMATOPHYTOSIS. JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM)[Internet]. 2015;8(6):0-0. Available from: https://sid.ir/paper/317532/en

    IEEE: Copy

    RASOUL MOHAMMADI, MAHDI ABASTABAR, HOSSEIN MIRHENDI, HAMID BADALI, SHAHLA SHADZI, MUSTAFA CHADEGANIPOUR, PARINAZ POURFATHI, NILOUFAR JALALIZAND, and IMAN HAGHANI, “USE OF RESTRICTION FRAGMENT LENGTH POLYMORPHISM TO RAPIDLY IDENTIFY DERMATOPHYTE SPECIES RELATED TO DERMATOPHYTOSIS,” JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM), vol. 8, no. 6, pp. 0–0, 2015, [Online]. Available: https://sid.ir/paper/317532/en

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