[Analysis of the genotype of intraspecies of common Mycobacteria based on 16S-23S rRNA gene internal transcribed spacer sequences].

2008 
OBJECTIVE: To analyze the genotypes of intraspecies of common mycobacteria. METHODS: The genotypes of 94 strains of mycobacteria from DSMZ, as compared with 12 reference strains, were studied by 16S-23S rRNA internal transcription space (ITS) sequence analysis. RESULTS: The sequencing of 16S-23S rRNA ITS of the 106 strains of common mycobacteria were completed. All the mycobacteria could be discriminated to several genotypes except 4 M. intracellulare, 4 M. avium, 6 M. marinum and 2 M. malmoense which were identical to their reference strains. CONCLUSIONS: 16S-23S rRNA ITS sequence analysis is a reliable method to discriminate mycobacteria in interspecies even in intraspecies.
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