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Information Journal Paper

Title

A MULTI-LOCUS STUDY OF CRYPTOSPORIDIUM PARASITES ISOLATED FROM PATIENTS LIVING IN IRAN, MALAWI, NIGERIA, THE UNITED KINGDOM, AND VIETNAM

Pages

  79-89

Abstract

 Background: CRYPTOSPORIDIUM species are important cause of diarrheal diseases in both developing and developed countries. This study aimed to compare the performance of several molecular methods for identification of CRYPTOSPORIDIUM species, and to detect genetic variation among each of these species isolated from Iran, Malawi, Nigeria, Vietnam and the United Kingdom.Methods: The oocysts DNA samples were derived from 106 CRYPTOSPORIDIUM positive feces. Polymerase chain reaction, PCR- restriction fragment length polymorphism and DNA sequence analysis of the 18S rRNA and the CRYPTOSPORIDIUM oocysts wall protein genes; PCR and DNA sequence analysis of a fragment of 70 kDa heat shock protein and 60 kDa glycoprotein genes were carried out.Results: Based on these analysis, three species of CRYPTOSPORIDIUM including C. hominis, C. parvum and C. meleagridis, and both C. hominis and C. parvum were found in Iranian and the UK samples, respectively. Also, three C. hominis (Ib, Ib3& Id) and three C. parvum (IIa, IIc & IId) subtypes were identified by sequence analysis of the GP60 gene. Of these, C. hominis Ib was predominant and interestingly, one subgen-otype (C. hominis Ib A10G2) accounted for the majority of the samples.Conclusion: The current study demonstrates the complex subtypes of CRYPTOSPORIDIUM isolates in both developing and developed countries. This is the first report of C. parvum IId subgenotype and three new subtypes of C. parvum IIa in the UK, a new subtype of C. hominis Id from Malawi; and the first multi-locus study of three species of CRYPTOSPORIDIUM in human from Iran.

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    APA: Copy

    GHAFFARI, SALMAN, & KALANTARI, NARGES. (2014). A MULTI-LOCUS STUDY OF CRYPTOSPORIDIUM PARASITES ISOLATED FROM PATIENTS LIVING IN IRAN, MALAWI, NIGERIA, THE UNITED KINGDOM, AND VIETNAM. IRANIAN JOURNAL OF PARASITOLOGY, 9(1), 79-89. SID. https://sid.ir/paper/304029/en

    Vancouver: Copy

    GHAFFARI SALMAN, KALANTARI NARGES. A MULTI-LOCUS STUDY OF CRYPTOSPORIDIUM PARASITES ISOLATED FROM PATIENTS LIVING IN IRAN, MALAWI, NIGERIA, THE UNITED KINGDOM, AND VIETNAM. IRANIAN JOURNAL OF PARASITOLOGY[Internet]. 2014;9(1):79-89. Available from: https://sid.ir/paper/304029/en

    IEEE: Copy

    SALMAN GHAFFARI, and NARGES KALANTARI, “A MULTI-LOCUS STUDY OF CRYPTOSPORIDIUM PARASITES ISOLATED FROM PATIENTS LIVING IN IRAN, MALAWI, NIGERIA, THE UNITED KINGDOM, AND VIETNAM,” IRANIAN JOURNAL OF PARASITOLOGY, vol. 9, no. 1, pp. 79–89, 2014, [Online]. Available: https://sid.ir/paper/304029/en

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