Characterization of temperate phage Che12 and construction of a new tool for diagnosis of tuberculosis

Vanaja Kumar, Prabakaran Loganathan, Gomathi Sivaramakrishnan, Jordan Kriakov, Azger Dusthakeer, Balaji Subramanyam, John Chan, William R. Jacobs, Narayanan Paranji Rama

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

A temperate phage, Che12, able to infect Mycobacterium tuberculosis, was isolated from soil samples taken from tuberculosis sanatorium area in Chennai, India. The plaque morphology of this phage showed varying grades of turbidity on lawns of M. tuberculosis. The temperate nature of Che12 was established by super infection immunity. Phage integration into the host genomic DNA was confirmed by Southern hybridization using Che12 DNA as a probe. PCR amplification and sequencing of a part of the integrated phage genome in a M. tuberculosis lysogen also confirmed the temperate nature of Che12. The morphology of the phage particles was observed by electron microscopy, revealing similarities to other mycobacteriophages like L5, D29 and TM4. A luciferase reporter phage, phAETRC16, was constructed by cloning firefly luciferase gene into Che12. Infection of viable M. tuberculosis cells by phAETRC16 resulted in expression of luciferase leading to sustained light output. Che12, a true temperate phage infecting M. tuberculosis, is thus ideally suited for developing a diagnostic tool facilitating rapid diagnosis of M. tuberculosis.

Original languageEnglish (US)
Pages (from-to)616-623
Number of pages8
JournalTuberculosis
Volume88
Issue number6
DOIs
StatePublished - Nov 2008

Fingerprint

Bacteriophages
Mycobacterium tuberculosis
Tuberculosis
Luciferases
Mycobacteriophages
Firefly Luciferases
DNA
Infection
Organism Cloning
India
Immunity
Electron Microscopy
Soil
Genome
Light
Polymerase Chain Reaction
Genes

Keywords

  • Luciferase reporter phage
  • M. tuberculosis
  • Temperate

ASJC Scopus subject areas

  • Microbiology
  • Immunology
  • Infectious Diseases
  • Microbiology (medical)

Cite this

Kumar, V., Loganathan, P., Sivaramakrishnan, G., Kriakov, J., Dusthakeer, A., Subramanyam, B., ... Paranji Rama, N. (2008). Characterization of temperate phage Che12 and construction of a new tool for diagnosis of tuberculosis. Tuberculosis, 88(6), 616-623. https://doi.org/10.1016/j.tube.2008.02.007

Characterization of temperate phage Che12 and construction of a new tool for diagnosis of tuberculosis. / Kumar, Vanaja; Loganathan, Prabakaran; Sivaramakrishnan, Gomathi; Kriakov, Jordan; Dusthakeer, Azger; Subramanyam, Balaji; Chan, John; Jacobs, William R.; Paranji Rama, Narayanan.

In: Tuberculosis, Vol. 88, No. 6, 11.2008, p. 616-623.

Research output: Contribution to journalArticle

Kumar, V, Loganathan, P, Sivaramakrishnan, G, Kriakov, J, Dusthakeer, A, Subramanyam, B, Chan, J, Jacobs, WR & Paranji Rama, N 2008, 'Characterization of temperate phage Che12 and construction of a new tool for diagnosis of tuberculosis', Tuberculosis, vol. 88, no. 6, pp. 616-623. https://doi.org/10.1016/j.tube.2008.02.007
Kumar V, Loganathan P, Sivaramakrishnan G, Kriakov J, Dusthakeer A, Subramanyam B et al. Characterization of temperate phage Che12 and construction of a new tool for diagnosis of tuberculosis. Tuberculosis. 2008 Nov;88(6):616-623. https://doi.org/10.1016/j.tube.2008.02.007
Kumar, Vanaja ; Loganathan, Prabakaran ; Sivaramakrishnan, Gomathi ; Kriakov, Jordan ; Dusthakeer, Azger ; Subramanyam, Balaji ; Chan, John ; Jacobs, William R. ; Paranji Rama, Narayanan. / Characterization of temperate phage Che12 and construction of a new tool for diagnosis of tuberculosis. In: Tuberculosis. 2008 ; Vol. 88, No. 6. pp. 616-623.
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