ArticleScientific reports2021
Rapid and simple SNP genotyping for Bordetella pertussis epidemic strain MT27 based on a multiplexed single-base extension assay.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed.
- Vaccine antigen-based genotyping ofMicrobiology spectrum · 2025Article
- DecipheringJournal of clinical microbiology · 2024Article
- Genomic epidemiology and multilevel genome typing ofEmerging microbes & infections · 2023Article
- Whole-Genome Analysis of Bordetella pertussis MT27 Isolates from School-Associated Outbreaks: Single-Nucleotide Polymorphism Diversity and Threshold of the Outbreak Strains.Microbiology spectrum · 2023Article
- An innovative single-base extension method for synchronous detection of point mutations and MSI status in colorectal cancer.Cancer medicine · 2023Article
- Molecular Evolution and Increasing Macrolide Resistance of Bordetella pertussis, Shanghai, China, 2016-2022.Emerging infectious diseases · 2023Article
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Abstract
Multilocus variable-number tandem repeat analysis (MLVA) is widely used for genotyping of Bordetella pertussis, the causative bacteria for pertussis. However, MLVA genotyping is losing its discriminate power because prevalence of the epidemic MT27 strain (MLVA-27) is increasing worldwide. To address this, we developed a single nucleotide polymorphism (SNP) genotyping method for MT27 based on multiplexed single-base extension (SBE) assay. A total of 237 MT27 isolates collected in Japan during 1999-2018 were genotyped and classified into ten SNP genotypes (SG1 to SG10) with a Simpson's diversity index (DI) of 0.79 (95% CI 0.76-0.82). Temporal trends showed a marked increase in the genotypic diversity in the 2010s: Simpson's DI was zero in 1999-2004, 0.16 in 2005-2009, 0.83 in 2010-2014, and 0.76 in 2015-2018. This indicates that the SNP genotyping is applicable to the recently circulating MT27 strain. Additionally, almost all outbreak-associated MT27 isolates were classified into the same SNP genotypes for each outbreak. Multiplexed SBE assay allows for rapid and simple genotyping, indicating that the SNP genotyping can potentially be a useful tool for subtyping the B. pertussis MT27 strain in routine surveillance and outbreak investigations.
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