A new oligonucleotide array for the detection of multidrug and extensively drug-resistance tuberculosis

Drug-resistant tuberculosis (TB) is a global crisis and a threat to health security. Since conventional drug susceptibility testing (DST) takes several weeks, we herein described a molecular assay to rapidly identify multidrug-resistant (MDR) and extensively drug-resistant (XDR) and reveal transmiss...

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Veröffentlicht in:Scientific reports 2019-03, Vol.9 (1), p.4425-4425, Article 4425
Hauptverfasser: Chen, Ching-Yu, Weng, Jui-Yun, Huang, Hsin-Hui, Yen, Wen-Chun, Tsai, Yu-Han, Cheng, Tsung Chain, Jou, Ruwen
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container_title Scientific reports
container_volume 9
creator Chen, Ching-Yu
Weng, Jui-Yun
Huang, Hsin-Hui
Yen, Wen-Chun
Tsai, Yu-Han
Cheng, Tsung Chain
Jou, Ruwen
description Drug-resistant tuberculosis (TB) is a global crisis and a threat to health security. Since conventional drug susceptibility testing (DST) takes several weeks, we herein described a molecular assay to rapidly identify multidrug-resistant (MDR) and extensively drug-resistant (XDR) and reveal transmission associated-mutations of Mycobacterium tuberculosis complex (MTBC) isolates in 6 to 7 hours. An array was designed with 12 pairs of primers and 60 single nucleotide polymorphisms of 9 genes: rpoB , katG , inhA , ahpC , embB , rpsL , gyrA , rrs and eis . We assessed the performance of the array using 176 clinical MTBC isolates. The results of culture-based DST were used as the gold standard, the GenoType MTBDR plus and MTBDR sl tests were used for parallel comparison, and gene sequencing was performed to resolve the discordance. The sensitivities and specificities of the array are comparable to those of the MTBDR plus test for resistance to isoniazid (INH) (100.0%, 96.7%) and rifampicin (RIF) (99.4%, 96.7%) and of the MTBDR sl test for resistance to fluoroquinolones (FQs) (100%, 100%) and second-line injectable drugs (SLIDs) (98.3%, 100%). The sensitivities of the array for detecting resistance to ethambutol and streptomycin were 79.3% and 64.9%, respectively. The array has potential as a powerful tool for clinical diagnosis and epidemiological investigations.
doi_str_mv 10.1038/s41598-019-39339-3
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Since conventional drug susceptibility testing (DST) takes several weeks, we herein described a molecular assay to rapidly identify multidrug-resistant (MDR) and extensively drug-resistant (XDR) and reveal transmission associated-mutations of Mycobacterium tuberculosis complex (MTBC) isolates in 6 to 7 hours. An array was designed with 12 pairs of primers and 60 single nucleotide polymorphisms of 9 genes: rpoB , katG , inhA , ahpC , embB , rpsL , gyrA , rrs and eis . We assessed the performance of the array using 176 clinical MTBC isolates. The results of culture-based DST were used as the gold standard, the GenoType MTBDR plus and MTBDR sl tests were used for parallel comparison, and gene sequencing was performed to resolve the discordance. The sensitivities and specificities of the array are comparable to those of the MTBDR plus test for resistance to isoniazid (INH) (100.0%, 96.7%) and rifampicin (RIF) (99.4%, 96.7%) and of the MTBDR sl test for resistance to fluoroquinolones (FQs) (100%, 100%) and second-line injectable drugs (SLIDs) (98.3%, 100%). The sensitivities of the array for detecting resistance to ethambutol and streptomycin were 79.3% and 64.9%, respectively. The array has potential as a powerful tool for clinical diagnosis and epidemiological investigations.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>30872613</pmid><doi>10.1038/s41598-019-39339-3</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record>
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subjects 45
45/23
45/61
45/77
631/61/32
692/699/255/1856
Antitubercular Agents - therapeutic use
Bacterial Proteins - genetics
Discordance
DNA microarrays
DNA, Bacterial - analysis
DNA, Bacterial - genetics
Drug resistance
Drug Resistance, Multiple, Bacterial - genetics
Epidemiology
Ethambutol
Extensively Drug-Resistant Tuberculosis - drug therapy
Extensively Drug-Resistant Tuberculosis - microbiology
Fluoroquinolones
Genotype
Humanities and Social Sciences
Humans
Isoniazid
Microbial Sensitivity Tests
multidisciplinary
Multidrug resistance
Mutation
Mycobacterium tuberculosis - classification
Mycobacterium tuberculosis - drug effects
Mycobacterium tuberculosis - genetics
Mycobacterium tuberculosis - isolation & purification
Oligonucleotide Array Sequence Analysis - methods
Oligonucleotides
Primers
Rifampin
RpoB protein
Science
Science (multidisciplinary)
Sequence Analysis, DNA - methods
Single-nucleotide polymorphism
Streptomycin
Tuberculosis
title A new oligonucleotide array for the detection of multidrug and extensively drug-resistance tuberculosis
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