ArticleScientific reports2018
Microbead-based spoligotyping of Mycobacterium tuberculosis from Ziehl-Neelsen-stained microscopy preparations in Ethiopia.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
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Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it, 9 citations in OpenAlex.
- Molecular epidemiology of M. tuberculosis in Ethiopia: A systematic review and meta-analysis.Tuberculosis (Edinburgh, Scotland) · 2019Pooled it
- Molecular Epidemiology ofMicroorganisms · 2025Review
- Diagnostic Utility of a Mycobacterium Multiplex PCR Detection Panel for Tuberculosis and Nontuberculous Mycobacterial Infections.Microbiology spectrum · 2023Article
- Determination of genetic diversity of multidrug-resistantPathogens and global health · 2023Article
- Molecular Epidemiology of Mycobacterium tuberculosis strains isolated from pulmonary tuberculosis patients in south Ethiopia.Journal of infection in developing countries · 2021Article
- Diversity of Mycobacterium tuberculosis in the Middle Fly District of Western Province, Papua New Guinea: microbead-based spoligotyping using DNA from Ziehl-Neelsen-stained microscopy preparations.Scientific reports · 2019Article
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Authors and funding
12 authors at 6 institutions in 6 countries.
Funding
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Abstract
The worldwide dissemination of Mycobacterium tuberculosis strains has led to the study of their genetic diversity. One of the most used genotyping methods is spoligotyping, based on the detection of spacers in the clustered regularly interspaced short palindromic repeats (CRISPR) locus. This study assessed the performance of a microbead-based spoligotyping assay using samples extracted from Ziehl-Neelsen-stained smear-microscopy preparations and described the genetic diversity of Mycobacterium tuberculosis among new TB patients in Southern Nations, Nationalities and Peoples' Region (SNNPR) in Ethiopia. Among the 91 samples analysed, 59 (64.8%) generated spoligotyping patterns. Fifty (84.7%) samples were classified into 12 clusters (mostly Lineage 4 or 3) comprising 2-11 samples and nine had unique spoligotyping patterns. Among the 59 spoligotyping patterns, 25 belonged to the T1 sublineage, 11 to the T3-ETH, 5 to the URAL, 4 to the H3 and 14 to other L4 sublineages. There was a remarkable variation in genetic distribution in SNNPR compared to other regions of the country. Microbead-based spoligotyping is an easy-to-perform, high-throughput assay that can generate genotyping information using material obtained from smear microscopy preparations. The method provides an opportunity to obtain data of the M. tuberculosis genetic epidemiology in settings with limited laboratory resources.
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