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April 13, 2026BMC Infectious DiseasesOpen Access

Application of luminescence-producing Mycobacterium tuberculosis strains for evaluating anti-tuberculosis drug and vaccine efficacy in vitro and in vivo

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Authors

SKSoo-Min KimKorea UniversityESEunkyung ShinKorea Disease Control and Prevention AgencyJYJin-Seung YunKorea Disease Control and Prevention Agency

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Implication

Evaluates drug and vaccine efficacy in a TB model using bioluminescent Mycobacterium tuberculosis strains, suggesting a new imaging method for faster testing.

Key Points

  • To develop and utilize bioluminescent strains of Mycobacterium tuberculosis for real-time monitoring of infection and drug/vaccine efficacy.
  • Constructed bioluminescent Mycobacterium tuberculosis strains
  • Infected BALB/c mice via intranasal and intravenous routes
  • Monitored infections using In Vivo Imaging System
  • Assessed efficacy of isoniazid and BCG vaccine using bioluminescence and CFU counts
  • Bioluminescent strains showed stable growth comparable to wild-type strains
  • Isoniazid treatment resulted in significant reduction of luminescence and CFU counts
  • BCG-vaccinated mice showed lower bioluminescence and decreased CFU counts compared to naïve controls
  • Strong correlation between bioluminescence intensity and bacterial load observed in both models

Cite This Study

Kim et al. (2026) studied this question.

synapsesocial.com/papers/69dc88b93afacbeac03ea744https://doi.org/10.1186/s12879-026-13140-w
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