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Iran J Med Microbiol 2008, 2(1): 1-7 |
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Mosavari, Salehi, Tadayon, Mohammad Taheri, Soaimani, Aref Pajouhi, et al . Molecular differentiation between bovine Mycobacterium bovis isolates and human Mycobacterium tuberculosisisolates in Iran through PCR-RFLP method and comparison with 5 standard strains. Iran J Med Microbiol 2008; 2 (1) :1-7
URL: http://ijmm.ir/article-1-104-en.html
URL: http://ijmm.ir/article-1-104-en.html
Mosavari1 
, Salehi2 , Tadayon3 , Mohammad Taheri3 , Soaimani3 , Aref Pajouhi3 , Sepehriseresht4 , Alavi
, Salehi2 , Tadayon3 , Mohammad Taheri3 , Soaimani3 , Aref Pajouhi3 , Sepehriseresht4 , Alavi
1- Department of Microbiology , Isfahan University of Medical Sciences.
2- Tehran North Branch, Islamic Azad University, Tehra
3- PPD Production Department, Razi Institute, Karaj
4- Faculty of Veterinary Medicine, Tehran University, Tehran
2- Tehran North Branch, Islamic Azad University, Tehra
3- PPD Production Department, Razi Institute, Karaj
4- Faculty of Veterinary Medicine, Tehran University, Tehran
Abstract: (16849 Views)
Background and Objectives: Mycobacterium tuberculosis complex is consisted of homogenous organisms.
They are slowly growing mycobacteria and their isolation and identification are difficult and time
consuming. Differentiation of Mycobacterium bovis, causative mammalian tuberculosis, from other members
of Mycobacterium tuberculosis complex is very important in epidemiology and control of disease in humans
and animals. The aim of this study was to evaluate a molecular method to differentiate Mycobacteriom bovis
from Mycobacterium tuberculosis.
Material and Methods: DNA human isolates of Mycobacterium tuberculosis (n=6) and Mycobacterium bovis isolates (50) were extracted and used as template in PCR. A 548bp fragment of oxyR pseudogene was amplified and digested with AluI endo nuclease. The nucleotide 285 could be adenine (M. bovis) or guanine (M. tuberculosis). Such variation produces different restriction site for AluI.
Results:There were three incisive fragments in all Mycobacterium bovis and Mycobacterium bovis BCG strains and one incisive fragment in other members of Mycobacterium tuberculosis complex.
Conclusion: PCR-RFLP method on 548bp fragment of oxyR gene is a rapid and accurate method to differentiate Mycobacterium bovis and Mycobacterium bovis BCG from other members of Mycobacterium tuberculosis complex.
Material and Methods: DNA human isolates of Mycobacterium tuberculosis (n=6) and Mycobacterium bovis isolates (50) were extracted and used as template in PCR. A 548bp fragment of oxyR pseudogene was amplified and digested with AluI endo nuclease. The nucleotide 285 could be adenine (M. bovis) or guanine (M. tuberculosis). Such variation produces different restriction site for AluI.
Results:There were three incisive fragments in all Mycobacterium bovis and Mycobacterium bovis BCG strains and one incisive fragment in other members of Mycobacterium tuberculosis complex.
Conclusion: PCR-RFLP method on 548bp fragment of oxyR gene is a rapid and accurate method to differentiate Mycobacterium bovis and Mycobacterium bovis BCG from other members of Mycobacterium tuberculosis complex.
Type of Study: Original Research Article |
Subject:
Molecular Microbiology
Received: 2013/11/14 | Accepted: 2013/11/14 | ePublished: 2013/11/14
Received: 2013/11/14 | Accepted: 2013/11/14 | ePublished: 2013/11/14
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