Implications of edge cases for antimicrobial susceptibility predictions for rifampin, delamanid, and pretomanid with the WHO <i>Mycobacterium tuberculosis</i> mutation catalog.
Microbiology spectrum·
- DOI
- 10.1128/spectrum.01821-26
- PMID
- 42644623
- PMCID
- —
- OpenAlex
- —
- Study type
- Journal article
- Publisher
- Publisher unavailable
- Article type
- journal-article
- Integrity
- current
Why this research matters now
The WHO mutation catalog is increasingly used for clinical decision-making, and false-resistant predictions for rifampin, delamanid, and pretomanid can lead to inappropriate treatment adjustments, highlighting the need for systematic quality control.
Structured evidence summary
Research question
The study examines edge cases in which WHO Mycobacterium tuberculosis mutation catalog grading rules overcall resistance for rifampin, delamanid, and pretomanid.
Study design
Descriptive analysis of three specific edge cases involving WHO catalog grading rules, combining mutation mapping evaluation with sequence assembly approaches.
Population and setting
Mycobacterium tuberculosis sequence data scenarios, including an example from lineage 4.6.1 Uganda genotype strains.
Main findings
Three edge cases were identified: a low-frequency rpoB variant within the RRDR arising from a sequencing artifact; apparent fbiC deletions in a tandem repeat region caused by mapping errors, which assembly showed did not affect the fbiC coding region; and an fbiC frameshift in lineage 4.6.1 Uganda genotype strains with a modest impact on the end of fbiC.
Public-health relevance
The WHO mutation catalog is increasingly used for clinical decision-making, and false-resistant predictions for rifampin, delamanid, and pretomanid can lead to inappropriate treatment adjustments, highlighting the need for systematic quality control.
Important limitations
No explicit limitations are stated in the supplied abstract. This summary is limited to the supplied single-article abstract and metadata and requires review of the original paper for decision-grade interpretation.
GIDS interpretation
The article is relevant to discoverability contexts involving WHO mutation catalog edge cases for rifampin, delamanid, and pretomanid ASPs in M. tuberculosis; this summary does not connect the paper to any live surveillance signal.
Related GIDS surveillance
Literature context does not validate, explain, or change a surveillance signal. Exact and contextual relationships are shown separately.
Evidence relationships
This article has 5 auditable classifier relationships to diseases, places, topics, and study design.