Gene-specific monitoring of T7-based RNA amplification by real-time quantitative PCR

T7-based RNA amplification is applied when there is insufficient RNA. The overall extent of amplification can be measured spectrophotometrically (i.e., quantifying RNA yields), but this measurement does not provide information about the RNA amplification of individual genes. Here we describe a metho...

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Main Authors: Sandra G. Heil, Leo A.J. Kluijtmans, Ofer Spiegelstein, Richard H. Finnell, Hank J. Blom
Format: Article
Language:English
Published: Taylor & Francis Group 2003-09-01
Series:BioTechniques
Online Access:https://www.future-science.com/doi/10.2144/03353st03
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author Sandra G. Heil
Leo A.J. Kluijtmans
Ofer Spiegelstein
Richard H. Finnell
Hank J. Blom
author_facet Sandra G. Heil
Leo A.J. Kluijtmans
Ofer Spiegelstein
Richard H. Finnell
Hank J. Blom
author_sort Sandra G. Heil
collection DOAJ
description T7-based RNA amplification is applied when there is insufficient RNA. The overall extent of amplification can be measured spectrophotometrically (i.e., quantifying RNA yields), but this measurement does not provide information about the RNA amplification of individual genes. Here we describe a method applying real-time quantitative PCR, which enables the monitoring of RNA amplification of individual genes. The amount of RNA before and after T7-based RNA amplification was determined by real-time quantitative PCR for three housekeeping genes: β-2-microglobulin, porphobilinogen deaminase, and serine dehydratase, which are, respectively, a high, intermediate/low, and low copy transcript. Real-time quantitative PCR appeared to be suitable to determine the extent of RNA amplification, as was reflected by the low intra- and inter-run coefficients of variation of cycle threshold of 1.1%–2.1%. The application of real-time quantitative PCR showed that T7-based RNA amplification is reproducible but might introduce a sequence-specific bias. Real-time quantitative PCR is a novel approach to monitor RNA amplification and is particularly suited to study RNA amplification of individual genes.
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spelling doaj-art-e98ab0f275d941c7921014755f714d572025-08-20T02:26:06ZengTaylor & Francis GroupBioTechniques0736-62051940-98182003-09-0135350250810.2144/03353st03Gene-specific monitoring of T7-based RNA amplification by real-time quantitative PCRSandra G. Heil0Leo A.J. Kluijtmans1Ofer Spiegelstein2Richard H. Finnell3Hank J. Blom41UMC Nijmegen, Nijmegen, The Netherlands1UMC Nijmegen, Nijmegen, The Netherlands2Texas A&M University System Health Science Center, Houston, TX, USA2Texas A&M University System Health Science Center, Houston, TX, USA1UMC Nijmegen, Nijmegen, The NetherlandsT7-based RNA amplification is applied when there is insufficient RNA. The overall extent of amplification can be measured spectrophotometrically (i.e., quantifying RNA yields), but this measurement does not provide information about the RNA amplification of individual genes. Here we describe a method applying real-time quantitative PCR, which enables the monitoring of RNA amplification of individual genes. The amount of RNA before and after T7-based RNA amplification was determined by real-time quantitative PCR for three housekeeping genes: β-2-microglobulin, porphobilinogen deaminase, and serine dehydratase, which are, respectively, a high, intermediate/low, and low copy transcript. Real-time quantitative PCR appeared to be suitable to determine the extent of RNA amplification, as was reflected by the low intra- and inter-run coefficients of variation of cycle threshold of 1.1%–2.1%. The application of real-time quantitative PCR showed that T7-based RNA amplification is reproducible but might introduce a sequence-specific bias. Real-time quantitative PCR is a novel approach to monitor RNA amplification and is particularly suited to study RNA amplification of individual genes.https://www.future-science.com/doi/10.2144/03353st03
spellingShingle Sandra G. Heil
Leo A.J. Kluijtmans
Ofer Spiegelstein
Richard H. Finnell
Hank J. Blom
Gene-specific monitoring of T7-based RNA amplification by real-time quantitative PCR
BioTechniques
title Gene-specific monitoring of T7-based RNA amplification by real-time quantitative PCR
title_full Gene-specific monitoring of T7-based RNA amplification by real-time quantitative PCR
title_fullStr Gene-specific monitoring of T7-based RNA amplification by real-time quantitative PCR
title_full_unstemmed Gene-specific monitoring of T7-based RNA amplification by real-time quantitative PCR
title_short Gene-specific monitoring of T7-based RNA amplification by real-time quantitative PCR
title_sort gene specific monitoring of t7 based rna amplification by real time quantitative pcr
url https://www.future-science.com/doi/10.2144/03353st03
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