Multiplex PCR for Rapid Detection of Rifampin and Isoniazid Resistance in Mycobacterium tuberculosis Isolated from Bandung, Indonesia

Mycobacterium tuberculosis resistant to rifampin and isoniazid, known as multidrug-resistant M. tuberculosis (MDR-TB) strains, is an emerging problem of great importance to public health, with higher mortality rates than for drug-sensitive strains. Rifampin resistance is due to mutations on the hot...
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Autor*in:	HERA NOVIANA [verfasserIn] ZEILY NURACHMAN [verfasserIn] MAELITA RAMDANI [verfasserIn] AS NOER [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2010

Schlagwörter:	multiplex PCR rpoB katG sequencing

Übergeordnetes Werk:	In: Microbiology Indonesia - Indonesian Society for Microbiology, 2021, 1(2010), 3
Übergeordnetes Werk:	volume:1 ; year:2010 ; number:3

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.5454/mi.1.3.4

Katalog-ID:	DOAJ013221914

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520			\|a Mycobacterium tuberculosis resistant to rifampin and isoniazid, known as multidrug-resistant M. tuberculosis (MDR-TB) strains, is an emerging problem of great importance to public health, with higher mortality rates than for drug-sensitive strains. Rifampin resistance is due to mutations on the hot spot region of the rpoB gene, especially at positions 526 and 531, and isoniazid resistance is due to mutation on katG at position 315. Mechanisms of resistance are an appropriate target for molecular genotyping diagnostic methods. Here we examined the multiplex PCR assays for the rapid detection targeting rpoB526, rpoB531, and katG mutations. Sixty-one M. tuberculosis strains were studied based on rpoB526, rpoB531, and katG315 assays employing multiplex PCR. Of the 61 strains, the susceptibility tests determined 42 isolates were MDR-TB strains, 10, 4, and 5 isolates were resistant to rifampin, isoniazid, and at least to six drugs which prescibed for TB, respectively. The mutation profiles of the 42 MDR strains assayed by multiplex PCR were 81 and 38.1% on rpoB and katG, respectively. Six rifampin-resistant isolates (60%) had a mutation on rpoB, 25% isoniazid-resistant isolates had mutation on katG, and 20% of the isolates that were sensitive to all drugs tested had a mutation on rpoB. Sequencing analysis revealed sensitivity of the multiplex PCR assay for rpoB was 98.4% and was 100% for katG. There was a 19% difference between phenotype and genotype properties of all isolates detected. In conclusion, the sensitivity of multiplex PCR method was sufficient for preliminary detection of rpoB and katG mutations, but resistance M. tuberculosis to rifampin and isoniazid were not always conferred by mutated alleles on rpoB and, especially, on katG.
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allfields	10.5454/mi.1.3.4 doi (DE-627)DOAJ013221914 (DE-599)DOAJ2799db6600494f6e95b9becc1f1d6b13 DE-627 ger DE-627 rakwb eng QR1-502 HERA NOVIANA verfasserin aut Multiplex PCR for Rapid Detection of Rifampin and Isoniazid Resistance in Mycobacterium tuberculosis Isolated from Bandung, Indonesia 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Mycobacterium tuberculosis resistant to rifampin and isoniazid, known as multidrug-resistant M. tuberculosis (MDR-TB) strains, is an emerging problem of great importance to public health, with higher mortality rates than for drug-sensitive strains. Rifampin resistance is due to mutations on the hot spot region of the rpoB gene, especially at positions 526 and 531, and isoniazid resistance is due to mutation on katG at position 315. Mechanisms of resistance are an appropriate target for molecular genotyping diagnostic methods. Here we examined the multiplex PCR assays for the rapid detection targeting rpoB526, rpoB531, and katG mutations. Sixty-one M. tuberculosis strains were studied based on rpoB526, rpoB531, and katG315 assays employing multiplex PCR. Of the 61 strains, the susceptibility tests determined 42 isolates were MDR-TB strains, 10, 4, and 5 isolates were resistant to rifampin, isoniazid, and at least to six drugs which prescibed for TB, respectively. The mutation profiles of the 42 MDR strains assayed by multiplex PCR were 81 and 38.1% on rpoB and katG, respectively. Six rifampin-resistant isolates (60%) had a mutation on rpoB, 25% isoniazid-resistant isolates had mutation on katG, and 20% of the isolates that were sensitive to all drugs tested had a mutation on rpoB. Sequencing analysis revealed sensitivity of the multiplex PCR assay for rpoB was 98.4% and was 100% for katG. There was a 19% difference between phenotype and genotype properties of all isolates detected. In conclusion, the sensitivity of multiplex PCR method was sufficient for preliminary detection of rpoB and katG mutations, but resistance M. tuberculosis to rifampin and isoniazid were not always conferred by mutated alleles on rpoB and, especially, on katG. multiplex PCR rpoB katG sequencing Microbiology ZEILY NURACHMAN verfasserin aut MAELITA RAMDANI verfasserin aut AS NOER verfasserin aut In Microbiology Indonesia Indonesian Society for Microbiology, 2021 1(2010), 3 (DE-627)1767865228 20878575 nnns volume:1 year:2010 number:3 https://doi.org/10.5454/mi.1.3.4 kostenfrei https://doaj.org/article/2799db6600494f6e95b9becc1f1d6b13 kostenfrei https://jurnal.permi.or.id/index.php/mionline/article/view/5 kostenfrei https://doaj.org/toc/1978-3477 Journal toc kostenfrei https://doaj.org/toc/2087-8575 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 1 2010 3
spelling	10.5454/mi.1.3.4 doi (DE-627)DOAJ013221914 (DE-599)DOAJ2799db6600494f6e95b9becc1f1d6b13 DE-627 ger DE-627 rakwb eng QR1-502 HERA NOVIANA verfasserin aut Multiplex PCR for Rapid Detection of Rifampin and Isoniazid Resistance in Mycobacterium tuberculosis Isolated from Bandung, Indonesia 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Mycobacterium tuberculosis resistant to rifampin and isoniazid, known as multidrug-resistant M. tuberculosis (MDR-TB) strains, is an emerging problem of great importance to public health, with higher mortality rates than for drug-sensitive strains. Rifampin resistance is due to mutations on the hot spot region of the rpoB gene, especially at positions 526 and 531, and isoniazid resistance is due to mutation on katG at position 315. Mechanisms of resistance are an appropriate target for molecular genotyping diagnostic methods. Here we examined the multiplex PCR assays for the rapid detection targeting rpoB526, rpoB531, and katG mutations. Sixty-one M. tuberculosis strains were studied based on rpoB526, rpoB531, and katG315 assays employing multiplex PCR. Of the 61 strains, the susceptibility tests determined 42 isolates were MDR-TB strains, 10, 4, and 5 isolates were resistant to rifampin, isoniazid, and at least to six drugs which prescibed for TB, respectively. The mutation profiles of the 42 MDR strains assayed by multiplex PCR were 81 and 38.1% on rpoB and katG, respectively. Six rifampin-resistant isolates (60%) had a mutation on rpoB, 25% isoniazid-resistant isolates had mutation on katG, and 20% of the isolates that were sensitive to all drugs tested had a mutation on rpoB. Sequencing analysis revealed sensitivity of the multiplex PCR assay for rpoB was 98.4% and was 100% for katG. There was a 19% difference between phenotype and genotype properties of all isolates detected. In conclusion, the sensitivity of multiplex PCR method was sufficient for preliminary detection of rpoB and katG mutations, but resistance M. tuberculosis to rifampin and isoniazid were not always conferred by mutated alleles on rpoB and, especially, on katG. multiplex PCR rpoB katG sequencing Microbiology ZEILY NURACHMAN verfasserin aut MAELITA RAMDANI verfasserin aut AS NOER verfasserin aut In Microbiology Indonesia Indonesian Society for Microbiology, 2021 1(2010), 3 (DE-627)1767865228 20878575 nnns volume:1 year:2010 number:3 https://doi.org/10.5454/mi.1.3.4 kostenfrei https://doaj.org/article/2799db6600494f6e95b9becc1f1d6b13 kostenfrei https://jurnal.permi.or.id/index.php/mionline/article/view/5 kostenfrei https://doaj.org/toc/1978-3477 Journal toc kostenfrei https://doaj.org/toc/2087-8575 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 1 2010 3
allfields_unstemmed	10.5454/mi.1.3.4 doi (DE-627)DOAJ013221914 (DE-599)DOAJ2799db6600494f6e95b9becc1f1d6b13 DE-627 ger DE-627 rakwb eng QR1-502 HERA NOVIANA verfasserin aut Multiplex PCR for Rapid Detection of Rifampin and Isoniazid Resistance in Mycobacterium tuberculosis Isolated from Bandung, Indonesia 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Mycobacterium tuberculosis resistant to rifampin and isoniazid, known as multidrug-resistant M. tuberculosis (MDR-TB) strains, is an emerging problem of great importance to public health, with higher mortality rates than for drug-sensitive strains. Rifampin resistance is due to mutations on the hot spot region of the rpoB gene, especially at positions 526 and 531, and isoniazid resistance is due to mutation on katG at position 315. Mechanisms of resistance are an appropriate target for molecular genotyping diagnostic methods. Here we examined the multiplex PCR assays for the rapid detection targeting rpoB526, rpoB531, and katG mutations. Sixty-one M. tuberculosis strains were studied based on rpoB526, rpoB531, and katG315 assays employing multiplex PCR. Of the 61 strains, the susceptibility tests determined 42 isolates were MDR-TB strains, 10, 4, and 5 isolates were resistant to rifampin, isoniazid, and at least to six drugs which prescibed for TB, respectively. The mutation profiles of the 42 MDR strains assayed by multiplex PCR were 81 and 38.1% on rpoB and katG, respectively. Six rifampin-resistant isolates (60%) had a mutation on rpoB, 25% isoniazid-resistant isolates had mutation on katG, and 20% of the isolates that were sensitive to all drugs tested had a mutation on rpoB. Sequencing analysis revealed sensitivity of the multiplex PCR assay for rpoB was 98.4% and was 100% for katG. There was a 19% difference between phenotype and genotype properties of all isolates detected. In conclusion, the sensitivity of multiplex PCR method was sufficient for preliminary detection of rpoB and katG mutations, but resistance M. tuberculosis to rifampin and isoniazid were not always conferred by mutated alleles on rpoB and, especially, on katG. multiplex PCR rpoB katG sequencing Microbiology ZEILY NURACHMAN verfasserin aut MAELITA RAMDANI verfasserin aut AS NOER verfasserin aut In Microbiology Indonesia Indonesian Society for Microbiology, 2021 1(2010), 3 (DE-627)1767865228 20878575 nnns volume:1 year:2010 number:3 https://doi.org/10.5454/mi.1.3.4 kostenfrei https://doaj.org/article/2799db6600494f6e95b9becc1f1d6b13 kostenfrei https://jurnal.permi.or.id/index.php/mionline/article/view/5 kostenfrei https://doaj.org/toc/1978-3477 Journal toc kostenfrei https://doaj.org/toc/2087-8575 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 1 2010 3
allfieldsGer	10.5454/mi.1.3.4 doi (DE-627)DOAJ013221914 (DE-599)DOAJ2799db6600494f6e95b9becc1f1d6b13 DE-627 ger DE-627 rakwb eng QR1-502 HERA NOVIANA verfasserin aut Multiplex PCR for Rapid Detection of Rifampin and Isoniazid Resistance in Mycobacterium tuberculosis Isolated from Bandung, Indonesia 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Mycobacterium tuberculosis resistant to rifampin and isoniazid, known as multidrug-resistant M. tuberculosis (MDR-TB) strains, is an emerging problem of great importance to public health, with higher mortality rates than for drug-sensitive strains. Rifampin resistance is due to mutations on the hot spot region of the rpoB gene, especially at positions 526 and 531, and isoniazid resistance is due to mutation on katG at position 315. Mechanisms of resistance are an appropriate target for molecular genotyping diagnostic methods. Here we examined the multiplex PCR assays for the rapid detection targeting rpoB526, rpoB531, and katG mutations. Sixty-one M. tuberculosis strains were studied based on rpoB526, rpoB531, and katG315 assays employing multiplex PCR. Of the 61 strains, the susceptibility tests determined 42 isolates were MDR-TB strains, 10, 4, and 5 isolates were resistant to rifampin, isoniazid, and at least to six drugs which prescibed for TB, respectively. The mutation profiles of the 42 MDR strains assayed by multiplex PCR were 81 and 38.1% on rpoB and katG, respectively. Six rifampin-resistant isolates (60%) had a mutation on rpoB, 25% isoniazid-resistant isolates had mutation on katG, and 20% of the isolates that were sensitive to all drugs tested had a mutation on rpoB. Sequencing analysis revealed sensitivity of the multiplex PCR assay for rpoB was 98.4% and was 100% for katG. There was a 19% difference between phenotype and genotype properties of all isolates detected. In conclusion, the sensitivity of multiplex PCR method was sufficient for preliminary detection of rpoB and katG mutations, but resistance M. tuberculosis to rifampin and isoniazid were not always conferred by mutated alleles on rpoB and, especially, on katG. multiplex PCR rpoB katG sequencing Microbiology ZEILY NURACHMAN verfasserin aut MAELITA RAMDANI verfasserin aut AS NOER verfasserin aut In Microbiology Indonesia Indonesian Society for Microbiology, 2021 1(2010), 3 (DE-627)1767865228 20878575 nnns volume:1 year:2010 number:3 https://doi.org/10.5454/mi.1.3.4 kostenfrei https://doaj.org/article/2799db6600494f6e95b9becc1f1d6b13 kostenfrei https://jurnal.permi.or.id/index.php/mionline/article/view/5 kostenfrei https://doaj.org/toc/1978-3477 Journal toc kostenfrei https://doaj.org/toc/2087-8575 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 1 2010 3
allfieldsSound	10.5454/mi.1.3.4 doi (DE-627)DOAJ013221914 (DE-599)DOAJ2799db6600494f6e95b9becc1f1d6b13 DE-627 ger DE-627 rakwb eng QR1-502 HERA NOVIANA verfasserin aut Multiplex PCR for Rapid Detection of Rifampin and Isoniazid Resistance in Mycobacterium tuberculosis Isolated from Bandung, Indonesia 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Mycobacterium tuberculosis resistant to rifampin and isoniazid, known as multidrug-resistant M. tuberculosis (MDR-TB) strains, is an emerging problem of great importance to public health, with higher mortality rates than for drug-sensitive strains. Rifampin resistance is due to mutations on the hot spot region of the rpoB gene, especially at positions 526 and 531, and isoniazid resistance is due to mutation on katG at position 315. Mechanisms of resistance are an appropriate target for molecular genotyping diagnostic methods. Here we examined the multiplex PCR assays for the rapid detection targeting rpoB526, rpoB531, and katG mutations. Sixty-one M. tuberculosis strains were studied based on rpoB526, rpoB531, and katG315 assays employing multiplex PCR. Of the 61 strains, the susceptibility tests determined 42 isolates were MDR-TB strains, 10, 4, and 5 isolates were resistant to rifampin, isoniazid, and at least to six drugs which prescibed for TB, respectively. The mutation profiles of the 42 MDR strains assayed by multiplex PCR were 81 and 38.1% on rpoB and katG, respectively. Six rifampin-resistant isolates (60%) had a mutation on rpoB, 25% isoniazid-resistant isolates had mutation on katG, and 20% of the isolates that were sensitive to all drugs tested had a mutation on rpoB. Sequencing analysis revealed sensitivity of the multiplex PCR assay for rpoB was 98.4% and was 100% for katG. There was a 19% difference between phenotype and genotype properties of all isolates detected. In conclusion, the sensitivity of multiplex PCR method was sufficient for preliminary detection of rpoB and katG mutations, but resistance M. tuberculosis to rifampin and isoniazid were not always conferred by mutated alleles on rpoB and, especially, on katG. multiplex PCR rpoB katG sequencing Microbiology ZEILY NURACHMAN verfasserin aut MAELITA RAMDANI verfasserin aut AS NOER verfasserin aut In Microbiology Indonesia Indonesian Society for Microbiology, 2021 1(2010), 3 (DE-627)1767865228 20878575 nnns volume:1 year:2010 number:3 https://doi.org/10.5454/mi.1.3.4 kostenfrei https://doaj.org/article/2799db6600494f6e95b9becc1f1d6b13 kostenfrei https://jurnal.permi.or.id/index.php/mionline/article/view/5 kostenfrei https://doaj.org/toc/1978-3477 Journal toc kostenfrei https://doaj.org/toc/2087-8575 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 1 2010 3
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author	HERA NOVIANA
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topic_title	QR1-502 Multiplex PCR for Rapid Detection of Rifampin and Isoniazid Resistance in Mycobacterium tuberculosis Isolated from Bandung, Indonesia multiplex PCR rpoB katG sequencing
topic	misc QR1-502 misc multiplex PCR misc rpoB misc katG misc sequencing misc Microbiology
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title	Multiplex PCR for Rapid Detection of Rifampin and Isoniazid Resistance in Mycobacterium tuberculosis Isolated from Bandung, Indonesia
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title_full	Multiplex PCR for Rapid Detection of Rifampin and Isoniazid Resistance in Mycobacterium tuberculosis Isolated from Bandung, Indonesia
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title_sort	multiplex pcr for rapid detection of rifampin and isoniazid resistance in mycobacterium tuberculosis isolated from bandung, indonesia
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title_auth	Multiplex PCR for Rapid Detection of Rifampin and Isoniazid Resistance in Mycobacterium tuberculosis Isolated from Bandung, Indonesia
abstract	Mycobacterium tuberculosis resistant to rifampin and isoniazid, known as multidrug-resistant M. tuberculosis (MDR-TB) strains, is an emerging problem of great importance to public health, with higher mortality rates than for drug-sensitive strains. Rifampin resistance is due to mutations on the hot spot region of the rpoB gene, especially at positions 526 and 531, and isoniazid resistance is due to mutation on katG at position 315. Mechanisms of resistance are an appropriate target for molecular genotyping diagnostic methods. Here we examined the multiplex PCR assays for the rapid detection targeting rpoB526, rpoB531, and katG mutations. Sixty-one M. tuberculosis strains were studied based on rpoB526, rpoB531, and katG315 assays employing multiplex PCR. Of the 61 strains, the susceptibility tests determined 42 isolates were MDR-TB strains, 10, 4, and 5 isolates were resistant to rifampin, isoniazid, and at least to six drugs which prescibed for TB, respectively. The mutation profiles of the 42 MDR strains assayed by multiplex PCR were 81 and 38.1% on rpoB and katG, respectively. Six rifampin-resistant isolates (60%) had a mutation on rpoB, 25% isoniazid-resistant isolates had mutation on katG, and 20% of the isolates that were sensitive to all drugs tested had a mutation on rpoB. Sequencing analysis revealed sensitivity of the multiplex PCR assay for rpoB was 98.4% and was 100% for katG. There was a 19% difference between phenotype and genotype properties of all isolates detected. In conclusion, the sensitivity of multiplex PCR method was sufficient for preliminary detection of rpoB and katG mutations, but resistance M. tuberculosis to rifampin and isoniazid were not always conferred by mutated alleles on rpoB and, especially, on katG.
abstractGer	Mycobacterium tuberculosis resistant to rifampin and isoniazid, known as multidrug-resistant M. tuberculosis (MDR-TB) strains, is an emerging problem of great importance to public health, with higher mortality rates than for drug-sensitive strains. Rifampin resistance is due to mutations on the hot spot region of the rpoB gene, especially at positions 526 and 531, and isoniazid resistance is due to mutation on katG at position 315. Mechanisms of resistance are an appropriate target for molecular genotyping diagnostic methods. Here we examined the multiplex PCR assays for the rapid detection targeting rpoB526, rpoB531, and katG mutations. Sixty-one M. tuberculosis strains were studied based on rpoB526, rpoB531, and katG315 assays employing multiplex PCR. Of the 61 strains, the susceptibility tests determined 42 isolates were MDR-TB strains, 10, 4, and 5 isolates were resistant to rifampin, isoniazid, and at least to six drugs which prescibed for TB, respectively. The mutation profiles of the 42 MDR strains assayed by multiplex PCR were 81 and 38.1% on rpoB and katG, respectively. Six rifampin-resistant isolates (60%) had a mutation on rpoB, 25% isoniazid-resistant isolates had mutation on katG, and 20% of the isolates that were sensitive to all drugs tested had a mutation on rpoB. Sequencing analysis revealed sensitivity of the multiplex PCR assay for rpoB was 98.4% and was 100% for katG. There was a 19% difference between phenotype and genotype properties of all isolates detected. In conclusion, the sensitivity of multiplex PCR method was sufficient for preliminary detection of rpoB and katG mutations, but resistance M. tuberculosis to rifampin and isoniazid were not always conferred by mutated alleles on rpoB and, especially, on katG.
abstract_unstemmed	Mycobacterium tuberculosis resistant to rifampin and isoniazid, known as multidrug-resistant M. tuberculosis (MDR-TB) strains, is an emerging problem of great importance to public health, with higher mortality rates than for drug-sensitive strains. Rifampin resistance is due to mutations on the hot spot region of the rpoB gene, especially at positions 526 and 531, and isoniazid resistance is due to mutation on katG at position 315. Mechanisms of resistance are an appropriate target for molecular genotyping diagnostic methods. Here we examined the multiplex PCR assays for the rapid detection targeting rpoB526, rpoB531, and katG mutations. Sixty-one M. tuberculosis strains were studied based on rpoB526, rpoB531, and katG315 assays employing multiplex PCR. Of the 61 strains, the susceptibility tests determined 42 isolates were MDR-TB strains, 10, 4, and 5 isolates were resistant to rifampin, isoniazid, and at least to six drugs which prescibed for TB, respectively. The mutation profiles of the 42 MDR strains assayed by multiplex PCR were 81 and 38.1% on rpoB and katG, respectively. Six rifampin-resistant isolates (60%) had a mutation on rpoB, 25% isoniazid-resistant isolates had mutation on katG, and 20% of the isolates that were sensitive to all drugs tested had a mutation on rpoB. Sequencing analysis revealed sensitivity of the multiplex PCR assay for rpoB was 98.4% and was 100% for katG. There was a 19% difference between phenotype and genotype properties of all isolates detected. In conclusion, the sensitivity of multiplex PCR method was sufficient for preliminary detection of rpoB and katG mutations, but resistance M. tuberculosis to rifampin and isoniazid were not always conferred by mutated alleles on rpoB and, especially, on katG.
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title_short	Multiplex PCR for Rapid Detection of Rifampin and Isoniazid Resistance in Mycobacterium tuberculosis Isolated from Bandung, Indonesia
url	https://doi.org/10.5454/mi.1.3.4 https://doaj.org/article/2799db6600494f6e95b9becc1f1d6b13 https://jurnal.permi.or.id/index.php/mionline/article/view/5 https://doaj.org/toc/1978-3477 https://doaj.org/toc/2087-8575
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up_date	2024-07-03T16:27:04.973Z
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Multiplex PCR for Rapid Detection of Rifampin and Isoniazid Resistance in Mycobacterium tuberculosis Isolated from Bandung, Indonesia

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