Characterization and taxonomic implications of the rRNA genes of Mycobacterium leprae

S. Sela, J. E. Clark-Curtiss, H. Bercovier

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

The number of rRNA genes of Mycobacterium leprae was determined by restriction analysis of M. leprae total chromosomal DNA. A single set of rRNA genes was found. This set was subcloned from a cosmid library of M. leprae DNA into pUC13 and was characterized by restriction analysis and hybridization with Escherichia coli rRNA genes. The 16S, 23S, and 5S genes of M. leprae were clustered on a 5.3-kilobase DNA fragment. On one hand, restriction analysis of the set of rRNA genes showed the uniqueness of M. leprae among mycobacteria, but on the other hand, it suggested that M. leprae strains of several origins are very much alike. Quantitative hybridization studies between M. leprae rDNA and total DNA of various bacteria demonstrated a close relatedness between M. leprae and corynebacteria, nocardia, and mycobacteria, especially Mycobacterium tuberculosis.

Original languageEnglish (US)
Pages (from-to)70-73
Number of pages4
JournalJournal of Bacteriology
Volume171
Issue number1
StatePublished - 1989
Externally publishedYes

Fingerprint

Mycobacterium leprae
rRNA Genes
DNA
Mycobacterium
Nocardia
Corynebacterium
Cosmids
Ribosomal DNA
Mycobacterium tuberculosis
Escherichia coli
Bacteria

ASJC Scopus subject areas

  • Applied Microbiology and Biotechnology
  • Immunology

Cite this

Sela, S., Clark-Curtiss, J. E., & Bercovier, H. (1989). Characterization and taxonomic implications of the rRNA genes of Mycobacterium leprae. Journal of Bacteriology, 171(1), 70-73.

Characterization and taxonomic implications of the rRNA genes of Mycobacterium leprae. / Sela, S.; Clark-Curtiss, J. E.; Bercovier, H.

In: Journal of Bacteriology, Vol. 171, No. 1, 1989, p. 70-73.

Research output: Contribution to journalArticle

Sela, S, Clark-Curtiss, JE & Bercovier, H 1989, 'Characterization and taxonomic implications of the rRNA genes of Mycobacterium leprae', Journal of Bacteriology, vol. 171, no. 1, pp. 70-73.
Sela, S. ; Clark-Curtiss, J. E. ; Bercovier, H. / Characterization and taxonomic implications of the rRNA genes of Mycobacterium leprae. In: Journal of Bacteriology. 1989 ; Vol. 171, No. 1. pp. 70-73.
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