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September 12, 2025ERJ Open ResearchOpen Access

Targeted and whole genome sequencing for drug resistance and genetic relatedness inference of rifampicin resistant Mycobacterium tuberculosis – an in-depth comparison

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Authors

MFM. FuertesECEmilyn Costa ConceiçãoFWFelicia Wells

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Overview

Cross-sectional analysis compares drug resistance and genetic relatedness in rifampicin-resistant TB using WGS and tNGS.

Key Points

  • Drug resistance inference was highly concordant between targeted ngs and whole genome sequencing at ≥92% for most drugs.
  • tNGS detected more minor variants than WGS, identifying 76 versus 32 respectively, indicating greater sensitivity.
  • WGS provided comprehensive lineage and sub-lineage information for all samples, while tNGS reported lineage for only 67%.
  • Further research is needed to ascertain the clinical significance of minor variants in drug-resistant tuberculosis.

Cite This Study

Fuertes et al. (2025) studied this question.

synapsesocial.com/papers/68d44a3731b076d99fa535a6https://doi.org/10.1183/23120541.00630-2025
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