What question did this study set out to answer?

To establish and standardize an optimized set of MIRU-VNTR loci with superior discriminatory power for routine epidemiological tracking and phylogenetic analysis of Mycobacterium tuberculosis.

December 1, 2006Journal of Clinical Microbiology

Proposal for Standardization of Optimized Mycobacterial Interspersed Repetitive Unit-Variable-Number Tandem Repeat Typing of Mycobacterium tuberculosis

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Authors

PSPhilip SupplyCenter for Infection and Immunity of Lille CACaroline AllixCentre National de la Recherche Scientifique SLSarah LesjeanUniversité de Bordeaux

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Implication

Comparative genotyping analysis defines 15-locus and 24-locus MIRU-VNTR typing sets for Mycobacterium tuberculosis, suggesting new standardized formats for epidemiological surveillance and phylogeny.

Key Points

To establish and standardize an optimized set of MIRU-VNTR loci with superior discriminatory power for routine epidemiological tracking and phylogenetic analysis of Mycobacterium tuberculosis.
Analyzed the discriminatory resolution, stability, and robustness of 29 MIRU-VNTR loci across 824 tubercle bacillus isolates representing major global lineages.
Excluded 5 loci exhibiting instability or poor robustness in serial or epidemiologically linked isolates, evaluating the remaining 24 loci alone and alongside spoligotyping.
The 24-locus set increased the number of identified distinct types by 40% (23% when paired with spoligotyping) and reduced the clustering rate fourfold compared to the classic 12-locus panel.
A selected 15-locus subset captured 96% of the 24-locus discriminatory power, achieving epidemiological predictive accuracy equivalent to IS6110 restriction fragment length polymorphism typing.

Cite This Study

Supply et al. (2006) studied this question.

synapsesocial.com/papers/6a03a6ac6aa73b130d85602e https://doi.org/10.1128/jcm.01392-06

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Implication

Comparative genotyping analysis defines 15-locus and 24-locus MIRU-VNTR typing sets for Mycobacterium tuberculosis, suggesting new standardized formats for epidemiological surveillance and phylogeny.

Proposal for Standardization of Optimized Mycobacterial Interspersed Repetitive Unit-Variable-Number Tandem Repeat Typing of Mycobacterium tuberculosis

Discussion

Member takes

Implication

Key Points

Cite This Study

Proposal for Standardization of Optimized Mycobacterial Interspersed Repetitive Unit-Variable-Number Tandem Repeat Typing of Mycobacterium tuberculosis

Discussion

Member takes

Implication

Key Points

Cite This Study

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