2010
DOI: 10.1128/jcm.01761-09
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Identification of Pathogenic Nocardia Species by Reverse Line Blot Hybridization Targeting the 16S rRNA and 16S-23S rRNA Gene Spacer Regions

Abstract: Although 16S rRNA gene sequence analysis is employed most often for the definitive identification of Nocardia species, alternate molecular methods and polymorphisms in other gene targets have also enabled species determinations. We evaluated a combined Nocardia PCR-based reverse line blot (RLB) hybridization assay based on 16S and 16S-23S rRNA gene spacer region polymorphisms to identify 12 American Type Culture Collection and 123 clinical Nocardia isolates representing 14 species; results were compared with r… Show more

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Cited by 21 publications
(29 citation statements)
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“…MLST methods, however, are costly and not readily available in all laboratories. The PCR-based reverse line blot (RLB) assay is a simple method to identify microbial pathogens using PCR followed by hybridization with species-specific oligonucleotide probes (39,41). This has the capacity to analyze simultaneously up to 43 strains against multiple probes (13).…”
mentioning
confidence: 99%
“…MLST methods, however, are costly and not readily available in all laboratories. The PCR-based reverse line blot (RLB) assay is a simple method to identify microbial pathogens using PCR followed by hybridization with species-specific oligonucleotide probes (39,41). This has the capacity to analyze simultaneously up to 43 strains against multiple probes (13).…”
mentioning
confidence: 99%
“…remains a challenge with the increasing recognition of novel species and taxonomic reassignment (1,14,19). The present study demonstrates the potential of combining a novel IGS-directed PCR with CGE to gen- erate Nocardia species-specific CGE electropherograms to identify clinically relevant Nocardia isolates, including uncommon species.…”
Section: Discussionmentioning
confidence: 94%
“…This approximated the sensitivity of a combined 16S and 16S-23S IGS PCR-based reverse line blot (RLB) assay previously described by our group (19). While a minority (about 1 in 5) of isolates in our collection were found to have a unique or "signature" fragment size, it was usually the combination of fragments that provided discriminating power due to the fact that the majority of Nocardia species yielded at least two different fragment lengths.…”
Section: Discussionmentioning
confidence: 99%
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