Selection and validation of reference genes for quantitative Real-Time PCR in Arabis alpina.

Arabis alpina is a perennial arctic-alpine plant and an upcoming model organism for genetics and molecular biology for the Brassicaceae family. One essential method for most molecular approaches is the analysis of gene expression by reverse-transcription quantitative Real-Time PCR (RT-qPCR). For the...

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Main Authors: Lisa Stephan, Vicky Tilmes, Martin Hülskamp
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2019-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0211172
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author Lisa Stephan
Vicky Tilmes
Martin Hülskamp
author_facet Lisa Stephan
Vicky Tilmes
Martin Hülskamp
author_sort Lisa Stephan
collection DOAJ
description Arabis alpina is a perennial arctic-alpine plant and an upcoming model organism for genetics and molecular biology for the Brassicaceae family. One essential method for most molecular approaches is the analysis of gene expression by reverse-transcription quantitative Real-Time PCR (RT-qPCR). For the normalisation of expression data in RT-qPCR experiments, it is essential to use reliable reference genes that are not affected under a wide range of conditions. In this study we establish a set of 15 A. alpina reference genes that were tested under different conditions including cold, drought, heat, salt and gibberellic acid treatments. Data analyses with geNORM, BestKeeper and NormFinder revealed the most stable reference genes for the tested conditions: RAN3, HCF and PSB33 are most suitable for cold treatments; UBQ10 and TUA5 for drought; RAN3, PSB33 and EIF4a for heat; CAC, TUA5, ACTIN 2 and PSB33 for salt and PSB33 and TUA5 for gibberellic acid treatments. CAC and ACTIN 2 showed the least variation over all tested samples. In addition, we show that two reference genes are sufficient to normalize RT-qPCR data under our treatment conditions. In future studies, these reference genes can be used for an adequate normalisation and thus help to generate high quality RT-qPCR data in A. alpina.
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spelling doaj.art-3f1eba957d304811a1b4cc24b0e54a902022-12-21T19:15:31ZengPublic Library of Science (PLoS)PLoS ONE1932-62032019-01-01143e021117210.1371/journal.pone.0211172Selection and validation of reference genes for quantitative Real-Time PCR in Arabis alpina.Lisa StephanVicky TilmesMartin HülskampArabis alpina is a perennial arctic-alpine plant and an upcoming model organism for genetics and molecular biology for the Brassicaceae family. One essential method for most molecular approaches is the analysis of gene expression by reverse-transcription quantitative Real-Time PCR (RT-qPCR). For the normalisation of expression data in RT-qPCR experiments, it is essential to use reliable reference genes that are not affected under a wide range of conditions. In this study we establish a set of 15 A. alpina reference genes that were tested under different conditions including cold, drought, heat, salt and gibberellic acid treatments. Data analyses with geNORM, BestKeeper and NormFinder revealed the most stable reference genes for the tested conditions: RAN3, HCF and PSB33 are most suitable for cold treatments; UBQ10 and TUA5 for drought; RAN3, PSB33 and EIF4a for heat; CAC, TUA5, ACTIN 2 and PSB33 for salt and PSB33 and TUA5 for gibberellic acid treatments. CAC and ACTIN 2 showed the least variation over all tested samples. In addition, we show that two reference genes are sufficient to normalize RT-qPCR data under our treatment conditions. In future studies, these reference genes can be used for an adequate normalisation and thus help to generate high quality RT-qPCR data in A. alpina.https://doi.org/10.1371/journal.pone.0211172
spellingShingle Lisa Stephan
Vicky Tilmes
Martin Hülskamp
Selection and validation of reference genes for quantitative Real-Time PCR in Arabis alpina.
PLoS ONE
title Selection and validation of reference genes for quantitative Real-Time PCR in Arabis alpina.
title_full Selection and validation of reference genes for quantitative Real-Time PCR in Arabis alpina.
title_fullStr Selection and validation of reference genes for quantitative Real-Time PCR in Arabis alpina.
title_full_unstemmed Selection and validation of reference genes for quantitative Real-Time PCR in Arabis alpina.
title_short Selection and validation of reference genes for quantitative Real-Time PCR in Arabis alpina.
title_sort selection and validation of reference genes for quantitative real time pcr in arabis alpina
url https://doi.org/10.1371/journal.pone.0211172
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