Use of in vivo complementation in Mycobacterium tuberculosis to identify a genomic fragment associated with virulence

L. Pascopella, F. M. Collins, J. M. Martin, Hong Lee Mong Hong Lee, G. F. Hatfull, C. K. Stover, B. R. Bloom, W. R. Jacobs

Research output: Contribution to journalArticle

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Abstract

Novel molecular tools and genetic methods were developed to isolate genomic fragments of Mycobacterium tuberculosis that may be associated with virulence. We sought to restore virulence, a characteristic of M. tuberculosis that is correlated with growth rate in mouse spleen and lung tissue, to the avirulent strain H37Ra by complementation. A representative library of the virulent M. tuberculosis strain H37Rv was constructed and transformed into H37Ra. Enrichment for individual faster-growing recombinants was achieved by passage of pools of H37Ra transformants harboring the H37Rv library through mice. A molecular strategy was devised to isolate and clone the H37Rv genomic DNA fragment ivg, which conferred a more rapid in vivo growth rate to H37Ra.

Original languageEnglish (US)
Pages (from-to)1313-1319
Number of pages7
JournalInfection and Immunity
Volume62
Issue number4
StatePublished - Jan 1 1994

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Mycobacterium tuberculosis
Virulence
Libraries
Growth
Molecular Biology
Spleen
Clone Cells
Lung
DNA

ASJC Scopus subject areas

  • Parasitology
  • Microbiology
  • Immunology
  • Infectious Diseases

Cite this

Pascopella, L., Collins, F. M., Martin, J. M., Mong Hong Lee, H. L., Hatfull, G. F., Stover, C. K., ... Jacobs, W. R. (1994). Use of in vivo complementation in Mycobacterium tuberculosis to identify a genomic fragment associated with virulence. Infection and Immunity, 62(4), 1313-1319.

Use of in vivo complementation in Mycobacterium tuberculosis to identify a genomic fragment associated with virulence. / Pascopella, L.; Collins, F. M.; Martin, J. M.; Mong Hong Lee, Hong Lee; Hatfull, G. F.; Stover, C. K.; Bloom, B. R.; Jacobs, W. R.

In: Infection and Immunity, Vol. 62, No. 4, 01.01.1994, p. 1313-1319.

Research output: Contribution to journalArticle

Pascopella, L, Collins, FM, Martin, JM, Mong Hong Lee, HL, Hatfull, GF, Stover, CK, Bloom, BR & Jacobs, WR 1994, 'Use of in vivo complementation in Mycobacterium tuberculosis to identify a genomic fragment associated with virulence', Infection and Immunity, vol. 62, no. 4, pp. 1313-1319.
Pascopella L, Collins FM, Martin JM, Mong Hong Lee HL, Hatfull GF, Stover CK et al. Use of in vivo complementation in Mycobacterium tuberculosis to identify a genomic fragment associated with virulence. Infection and Immunity. 1994 Jan 1;62(4):1313-1319.
Pascopella, L. ; Collins, F. M. ; Martin, J. M. ; Mong Hong Lee, Hong Lee ; Hatfull, G. F. ; Stover, C. K. ; Bloom, B. R. ; Jacobs, W. R. / Use of in vivo complementation in Mycobacterium tuberculosis to identify a genomic fragment associated with virulence. In: Infection and Immunity. 1994 ; Vol. 62, No. 4. pp. 1313-1319.
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