Abstract
Oligonucleotides specific at a genus, group, or species level were defined by a systematic comparison of small-subunit rRNA sequences from Mycobacterium tuberculosis, M. bovis, M. africanum, M. bovis BCG, M. avium, M. kansasii, M. marinum, M. gastri, M. chelonae, M. smegmatis, M. terrae, M. nonchromogenicum, M. xenopi, M. malmoense, M. szulgai, M. scrofulaceum, M. fortuitum, M. gordonae, M. intracellulare, M. simiae, M. flavescens, M. paratuberculosis, M. sphagni, M. cookii, M. komossense, M. phlei, and M. farcinica. On the basis of the defined oligonucleotides, the polymerase chain reaction technique was explored to develop a sensitive taxon-specific detection system for mycobacteria. By using M. tuberculosis as a model system, fewer than 10 bacteria could be reliably detected by this kind of assay. These results suggest that amplification of rRNA sequences by the polymerase chain reaction may provide a highly sensitive and specific tool for the direct detection of microorganisms without the need for prior cultivation.
MeSH Terms
Base Sequence
DNA, Bacterial/isolation & purification
Gene Amplification
Molecular Sequence Data
Mycobacterium/classification,genetics
Oligonucleotide Probes
Polymerase Chain Reaction
RNA, Ribosomal/biosynthesis
RNA, Ribosomal, 16S/biosynthesis
Sensitivity and Specificity
Species Specificity
Transcription, Genetic
Chemicals
DNA, Bacterial
Oligonucleotide Probes
RNA, Ribosomal
RNA, Ribosomal, 16S
Authors & Affiliations
5 authors, click to expand affiliations / ORCID
Böddinghaus B
Institut für Medizinische Mikrobiologie, Medizinische Hochschule Hannover, Federal Republic of Germany.
Rogall T
Flohr T
Blöcker H
Böttger E C
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