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Cited by 237

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Genome-Wide Analysis of Synonymous Single Nucleotide Polymorphisms in Mycobacterium tuberculosis Complex Organisms: Resolution of Genetic Relationships Among Closely Related Microbial Strains

Open access
Gutacker, Michaela M, Smoot, James C, Migliaccio, Cristi A Lux, Ricklefs, Stacy M, Hua, Su, Cousins, Debby V, Graviss, Edward A, Shashkina, Elena, Kreiswirth, Barry N, Musser, James M·2002·Genetics

Abstract

Several human pathogens (e.g., Bacillus anthracis, Yersinia pestis, Bordetella pertussis, Plasmodium falciparum, and Mycobacterium tuberculosis) have very restricted unselected allelic variation in structural genes, which hinders study of the genetic relationships among strains and strain-trait correlations. To address this problem in a representative pathogen, 432 M. tuberculosis complex strains from global sources were genotyped on the basis of 230 synonymous (silent) single nucleotide polymorphisms (sSNPs) identified by comparison of four genome sequences. Eight major clusters of related genotypes were identified in M. tuberculosis sensu stricto, including a single cluster representing organisms responsible for several large outbreaks in the United States and Asia. All M. tuberculosis sensu stricto isolates of previously unknown phylogenetic position could be rapidly and unambiguously assigned to one of the eight major clusters, thus providing a facile strategy for identifying organisms that are clonally related by descent. Common clones of M. tuberculosis sensu stricto and M. bovis are distinct, deeply branching genotypic complexes whose extant members did not emerge directly from one another in the recent past. sSNP genotyping rapidly delineates relationships among closely related strains of pathogenic microbes and allows construction of genetic frameworks for examining the distribution of biomedically relevant traits such as virulence, transmissibility, and host range.

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Crossref · 10.1093/genetics/162.4.1533

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Metadata

Authors
Gutacker, M. M., Smoot, J. C., Migliaccio, C. A. L., Ricklefs, S. M., Hua, S., Cousins, D. V., Graviss, E. A., Shashkina, E., Kreiswirth, B. N., & Musser, J. M.
Venue
Genetics
Published
2002-12-01
Volume
162
Issue
4
Pages
1533-1543
ISSN
  • 0016-6731 (ISSN-L)
  • 1943-2631
OpenAlex
W1922405592
Cited by
237
References
5
FWCI
10.23
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Genome-Wide Analysis of Synonymous Single Nucleotide Polymorphisms in Mycobacterium tuberculosis Complex Organisms: Resolution of Genetic Relationships Among Closely Related Microbial Strains. https://app.cochat.ai/papers/10.1093/genetics/162.4.1533
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Gutacker, M. M., Smoot, J. C., Migliaccio, C. A. L., Ricklefs, S. M., Hua, S., Cousins, D. V., Graviss, E. A., Shashkina, E., Kreiswirth, B. N., & Musser, J. M. (2002). Genome-Wide Analysis of Synonymous Single Nucleotide Polymorphisms in Mycobacterium tuberculosis Complex Organisms: Resolution of Genetic Relationships Among Closely Related Microbial Strains. Genetics. https://doi.org/10.1093/genetics/162.4.1533

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