نتایج جستجو برای: pyrosequencing
تعداد نتایج: 4566 فیلتر نتایج به سال:
BACKGROUND Multidrug-resistant tuberculosis (MDR-TB) is a major public health problem. Early diagnosis of MDR-TB patients is essential for minimizing the risk of Mycobacterium tuberculosis (MTB) transmission. The conventional drug susceptibility testing (DST) methods for detection of drug-resistant M. tuberculosis are laborious and cannot provide the rapid detection for clinical practice. MET...
Pyrosequencing was compared to Sanger dideoxy sequencing to detect mutations in FKS1 responsible for reduced echinocandin susceptibility in Candida albicans. These methods were in complete agreement for 10 of 12 clinical isolates with elevated echinocandin MICs, supporting the potential feasibility of pyrosequencing to detect mutations within diploid fungi.
BACKGROUND Multidrug-resistant tuberculosis is a major threat to the control of tuberculosis and to public health. Whereas most conventional methods of drug susceptibility testing (DST) are precise but time consuming, pyrosequencing is a rapid, high-throughput technique. OBJECTIVE To conduct a meta-analysis to evaluate the overall accuracy of pyrosequencing for the detection of rifampicin (RM...
Sole reliance on biochemical methods can limit the clinical microbiology laboratory's ability to identify bacterial pathogens. This study describes the incorporation of DNA pyrosequencing-based identification for routine pathogen identification of atypical clinical isolates in a large children's hospital. The assay capitalized on the highly conserved nature of 16S rRNA genes by positioning ampl...
The diversity of virus populations within single infected hosts presents a major difficulty for the natural immune response as well as for vaccine design and antiviral drug therapy. Recently developed pyrophosphate-based sequencing technologies (pyrosequencing) can be used for quantifying this diversity by ultra-deep sequencing of virus samples. We present computational methods for the analysis...
We analyzed the potential of pmoA amplicon pyrosequencing compared to that of Sanger sequencing with paddy soils as a model environment. We defined operational taxonomic unit (OTU) cutoff values of 7% and 18%, reflecting methanotrophic species and major phylogenetic pmoA lineages, respectively. Major lineages were already well covered by clone libraries; nevertheless, pyrosequencing provided a ...
Identification of mycobacterial clinical isolates by pyrosequencing within the hypervariable A region of the 16S rRNA gene was compared to other identification methods. For >90% of isolates, these identifications correlated to the level of complex or species. For identification of many mycobacteria, pyrosequencing offers an inexpensive alternative to traditional sequencing.
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