Evolutionary relationships among strains of Mycobacterium tuberculosis with few copies of IS6110

J. W. Dale, H. Al-Ghusein, P. Butcher, A. L. Dickens, F. Drobniewski, Kenneth James Forbes, S. H. Gillespie, D. Lamprecht, T. D. McHugh, R. Pitman, N. Rastogi, A. T. Smith, C. Sola, Hasan Yesilkaya, S. Al-Hashmi

Research output: Contribution to journalArticle

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Abstract

Molecular typing of Mycobacterium tuberculosis by using IS6110 shows low discrimination when there are fewer than five copies of the insertion sequence. Using a collection of such isolates from a study of the epidemiology of tuberculosis in London, we have shown a substantial degree of congruence between IS6110 patterns and both spoligotype and PGRS type. This indicates that the IS6110 types mainly represent distinct families of strains rather than arising through the convergent insertion of IS6110 into favored positions. This is supported by identification of the genomic sites of the insertion of IS6110 in these strains. The combined data enable identification of the putative evolutionary relationships of these strains, comprising three lineages broadly associated with patients born in South Asia (India and Pakistan), Africa, and Europe, respectively. These lineages appear to be quite distinct from M. tuberculosis isolates with multiple copies of IS6110.

Original languageEnglish
Pages (from-to)2555-2562
Number of pages7
JournalJournal of Bacteriology
Volume185
Issue number8
DOIs
Publication statusPublished - 2003

Keywords

  • REPETITIVE DNA-SEQUENCES
  • LOW COPY NUMBERS
  • MOLECULAR EPIDEMIOLOGY
  • NONRANDOM ASSOCIATION
  • COMPLEX
  • INSERTION
  • GENOME
  • LONDON
  • SINGLE
  • RECOMMENDATIONS

Cite this

Dale, J. W., Al-Ghusein, H., Butcher, P., Dickens, A. L., Drobniewski, F., Forbes, K. J., ... Al-Hashmi, S. (2003). Evolutionary relationships among strains of Mycobacterium tuberculosis with few copies of IS6110. Journal of Bacteriology, 185(8), 2555-2562. https://doi.org/10.1128/JB.185.8.2555-2562.2003

Evolutionary relationships among strains of Mycobacterium tuberculosis with few copies of IS6110. / Dale, J. W.; Al-Ghusein, H.; Butcher, P.; Dickens, A. L.; Drobniewski, F.; Forbes, Kenneth James; Gillespie, S. H.; Lamprecht, D.; McHugh, T. D.; Pitman, R.; Rastogi, N.; Smith, A. T.; Sola, C.; Yesilkaya, Hasan; Al-Hashmi, S.

In: Journal of Bacteriology, Vol. 185, No. 8, 2003, p. 2555-2562.

Research output: Contribution to journalArticle

Dale, JW, Al-Ghusein, H, Butcher, P, Dickens, AL, Drobniewski, F, Forbes, KJ, Gillespie, SH, Lamprecht, D, McHugh, TD, Pitman, R, Rastogi, N, Smith, AT, Sola, C, Yesilkaya, H & Al-Hashmi, S 2003, 'Evolutionary relationships among strains of Mycobacterium tuberculosis with few copies of IS6110', Journal of Bacteriology, vol. 185, no. 8, pp. 2555-2562. https://doi.org/10.1128/JB.185.8.2555-2562.2003
Dale, J. W. ; Al-Ghusein, H. ; Butcher, P. ; Dickens, A. L. ; Drobniewski, F. ; Forbes, Kenneth James ; Gillespie, S. H. ; Lamprecht, D. ; McHugh, T. D. ; Pitman, R. ; Rastogi, N. ; Smith, A. T. ; Sola, C. ; Yesilkaya, Hasan ; Al-Hashmi, S. / Evolutionary relationships among strains of Mycobacterium tuberculosis with few copies of IS6110. In: Journal of Bacteriology. 2003 ; Vol. 185, No. 8. pp. 2555-2562.
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abstract = "Molecular typing of Mycobacterium tuberculosis by using IS6110 shows low discrimination when there are fewer than five copies of the insertion sequence. Using a collection of such isolates from a study of the epidemiology of tuberculosis in London, we have shown a substantial degree of congruence between IS6110 patterns and both spoligotype and PGRS type. This indicates that the IS6110 types mainly represent distinct families of strains rather than arising through the convergent insertion of IS6110 into favored positions. This is supported by identification of the genomic sites of the insertion of IS6110 in these strains. The combined data enable identification of the putative evolutionary relationships of these strains, comprising three lineages broadly associated with patients born in South Asia (India and Pakistan), Africa, and Europe, respectively. These lineages appear to be quite distinct from M. tuberculosis isolates with multiple copies of IS6110.",
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