ArticleScientific reports2024
Assessing the propensity of TB clinical isolates to form viable but non-replicating subpopulations.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Real-time bioluminescence imaging of mycobacteria with Akaluc: a novel method for monitoring drug efficacy.Scientific reports · 2026Article
- Proteomic insights into a M. tuberculosis clinical isolate with an increased propensity to form viable but non-replicating subpopulations during acid stress.Scientific reports · 2026Article
Corrections and comments
- Erratum issued
Authors and funding
7 authors.
Funding
Abstract
Current tuberculosis (TB) treatment is typically effective against drug-susceptible Mycobacterium tuberculosis, but can fail due to acquired drug resistance or phenotypic resistance. M. tuberculosis persisters, a subpopulation of viable but non-replicating (VBNR) antibiotic-tolerant bacteria, are thought to contribute to poor TB treatment outcomes. In this exploratory study, we investigated treatment-naïve drug-susceptible clinical isolates collected from people with TB, who subsequently had unsuccessful treatment outcomes. These were compared to isolates from cured individuals in terms of their ability to form VBNR subpopulations. Clinical isolates from individuals with unfavorable treatment outcomes form larger subpopulations of VBNR M. tuberculosis (2.67-13.71%) than clinical isolates from cured cases (0- 1.63%) following infection of THP-1 macrophages. All isolates were drug susceptible based on phenotypic and genotypic analysis. Whole genome sequencing identified 23 non-synonymous genomic variants shared by treatment failure clinical isolates, that were not present in isolates from cured cases. This exploratory study highlights the ability of treatment-naïve clinical isolates to form heterogeneous populations containing VBNR M. tuberculosis. We also demonstrate that clinical isolates from individuals with unsuccessful treatment outcomes form higher percentages of VBNR M. tuberculosis. The findings of this exploratory study suggest that an increased propensity to form VBNR subpopulations may impact TB treatment outcome.
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