Development of a highly sensitive one-tube nested real-time PCR for detecting Mycobacterium tuberculosis

Yeonim Choi, Bo Young Jeon, Tae Sun Shim, Hyunwoo Jin, Sangnae Cho, Hyeyoung Lee

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Rapid, accurate detection of Mycobacterium tuberculosis is crucial in the diagnosis of tuberculosis (TB), but conventional diagnostic methods have limited sensitivity and specificity or are time consuming. A new highly sensitive nucleic acid amplification test, combined nested and real-time polymerase chain reaction (PCR) in a single tube (one-tube nested real-time PCR), was developed for detecting M. tuberculosis, which takes advantage of two PCR techniques, i.e., nested PCR and real-time PCR. One-tube nested real-time PCR was designed to have two sequential reactions with two sets of primers and dual probes for the insertion sequence (IS) 6110 sequence of M. tuberculosis in a single closed tube. The minimum limits of detection of IS. 6110 real-time PCR and IS. 6110 one-tube nested real-time PCR were 100 fg/μL and 1 fg/μL of M. tuberculosis DNA, respectively. AdvanSure TB/non-tuberculous mycobacteria (NTM) real-time PCR, IS. 6110 real-time PCR, and two-tube nested real-time PCR showed 100% sensitivity and 100% specificity for clinical M. tuberculosis isolates and NTM isolates. In comparison, the sensitivities of AdvanSure TB/NTM real-time PCR, single IS. 6110 real-time PCR, and one-tube nested real-time PCR were 91% (152/167), 94.6% (158/167), and 100% (167/167) for sputum specimens, respectively. In conclusion, IS. 6110 one-tube nested real-time PCR is useful for detecting M. tuberculosis due to its high sensitivity and simple manipulation.

Original languageEnglish
Pages (from-to)299-303
Number of pages5
JournalDiagnostic Microbiology and Infectious Disease
Volume80
Issue number4
DOIs
Publication statusPublished - 2014 Dec 1

Fingerprint

Mycobacterium tuberculosis
Real-Time Polymerase Chain Reaction
Insertional Mutagenesis
Mycobacterium
Tuberculosis
Nucleic Acid Amplification Techniques
Sensitivity and Specificity
Polymerase Chain Reaction
Sputum
Limit of Detection

All Science Journal Classification (ASJC) codes

  • Microbiology (medical)
  • Infectious Diseases

Cite this

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title = "Development of a highly sensitive one-tube nested real-time PCR for detecting Mycobacterium tuberculosis",
abstract = "Rapid, accurate detection of Mycobacterium tuberculosis is crucial in the diagnosis of tuberculosis (TB), but conventional diagnostic methods have limited sensitivity and specificity or are time consuming. A new highly sensitive nucleic acid amplification test, combined nested and real-time polymerase chain reaction (PCR) in a single tube (one-tube nested real-time PCR), was developed for detecting M. tuberculosis, which takes advantage of two PCR techniques, i.e., nested PCR and real-time PCR. One-tube nested real-time PCR was designed to have two sequential reactions with two sets of primers and dual probes for the insertion sequence (IS) 6110 sequence of M. tuberculosis in a single closed tube. The minimum limits of detection of IS. 6110 real-time PCR and IS. 6110 one-tube nested real-time PCR were 100 fg/μL and 1 fg/μL of M. tuberculosis DNA, respectively. AdvanSure TB/non-tuberculous mycobacteria (NTM) real-time PCR, IS. 6110 real-time PCR, and two-tube nested real-time PCR showed 100{\%} sensitivity and 100{\%} specificity for clinical M. tuberculosis isolates and NTM isolates. In comparison, the sensitivities of AdvanSure TB/NTM real-time PCR, single IS. 6110 real-time PCR, and one-tube nested real-time PCR were 91{\%} (152/167), 94.6{\%} (158/167), and 100{\%} (167/167) for sputum specimens, respectively. In conclusion, IS. 6110 one-tube nested real-time PCR is useful for detecting M. tuberculosis due to its high sensitivity and simple manipulation.",
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Development of a highly sensitive one-tube nested real-time PCR for detecting Mycobacterium tuberculosis. / Choi, Yeonim; Jeon, Bo Young; Shim, Tae Sun; Jin, Hyunwoo; Cho, Sangnae; Lee, Hyeyoung.

In: Diagnostic Microbiology and Infectious Disease, Vol. 80, No. 4, 01.12.2014, p. 299-303.

Research output: Contribution to journalArticle

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AU - Jeon, Bo Young

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AU - Lee, Hyeyoung

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