Repository of Research and Investigative Information

Repository of Research and Investigative Information

Ilam University of Medical Sciences

Diversity of Leishmania species and of strains of Leishmania major isolated from desert rodents in different foci of cutaneous leishmaniasis in Iran

Sun Sep 25 08:13:16 2022

(2014) Diversity of Leishmania species and of strains of Leishmania major isolated from desert rodents in different foci of cutaneous leishmaniasis in Iran. Transactions of the Royal Society of Tropical Medicine and Hygiene. pp. 502-512. ISSN 0035-9203

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Abstract

Zoonotic cutaneous leishmaniasis (ZCL) is a polymorphic disease which may show various symptoms. Genetic diversity of the parasite is suggested to be one of the factors influencing the clinical manifestation of the disease. This study used PCR for the detection and identification of leishmanial parasites at the species level and applied a multilocus microsatellite typing approach for investigating the genetic diversity of Leishmania major isolated from captured rodents in two foci of ZCL in Iran: Turkemen Sahara and Fars province. ITS1-rDNA amplification and subsequent RFLP analyses were performed using DNA extracted from the rodents' ears. Approximately one third of the rodents tested positive for Leishmania; in all rodents L. major was the predominating infecting agent. Seven Rhombomys opimus were positive for L. turanica DNA and one for both L. major and L. turanica. DNA of L. infantum was identified in one Rh. opimus. Seventeen strains of L. major, 15 from Turkemen Sahara and two from Fars province, isolated from different rodents were tested for variation at nine polymorphic microsatellite loci. Ten different MLMT genotypes were observed. They were compared to 89 previously published microsatellite profiles obtained for strains of L. major of different geographical origin. Bayesian model-based and genetic distance based approaches confirmed that strains from Turkemen Sahara and from Fars are genetically different and belong to different genetic groups, largely corresponding to their geographical origins. The considerable genetic variability of L. major might be related to differences in reservoir host and/or to the existence of different populations of the vector, Phlebotomus papatasi.

Item Type: Article
Creators:
CreatorsEmail
Mirzaei, A.UNSPECIFIED
Schweynoch, C.UNSPECIFIED
Rouhani, S.UNSPECIFIED
Parvizi, P.UNSPECIFIED
Schonian, G.UNSPECIFIED
Keywords: Genetic polymorphism Iran Leishmania major Microsatellite RFLP reservoir epidemiology transmission diagnosis opimus host area Public, Environmental & Occupational Health Tropical Medicine
Divisions:
Page Range: pp. 502-512
Journal or Publication Title: Transactions of the Royal Society of Tropical Medicine and Hygiene
Journal Index: ISI
Volume: 108
Number: 8
Identification Number: https://doi.org/10.1093/trstmh/tru085
ISSN: 0035-9203
Depositing User: مهندس مهدی شریفی
URI: http://eprints.medilam.ac.ir/id/eprint/655

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