Selection of Reference Genes for Quantitative Real-time PCR during Flower Development in Tree Peony (Paeonia suffruticosa Andr.)

Tree peony (Paeonia suffruticosa) is a perennial plant indigenous to China known for its elegant and vibrantly colorful flowers. A few genes involved in petal pigmentation have been cloned in tree peony. However, to date, there have been few studies on the comparison and selection of stable referenc...

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Main Authors: Jian eLi, Jigang eHan, Yonghong eHu, Ji eYang
Format: Article
Language:English
Published: Frontiers Media S.A. 2016-04-01
Series:Frontiers in Plant Science
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fpls.2016.00516/full
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author Jian eLi
Jian eLi
Jigang eHan
Yonghong eHu
Ji eYang
author_facet Jian eLi
Jian eLi
Jigang eHan
Yonghong eHu
Ji eYang
author_sort Jian eLi
collection DOAJ
description Tree peony (Paeonia suffruticosa) is a perennial plant indigenous to China known for its elegant and vibrantly colorful flowers. A few genes involved in petal pigmentation have been cloned in tree peony. However, to date, there have been few studies on the comparison and selection of stable reference genes for gene expression analysis by quantitative reverse-transcription PCR (qRT-PCR) in this species. In this study, 10 candidate reference genes were evaluated for the normalization of qRT-PCR in three tree peony cultivars. GAPDH and UBC were identified as the top two most stable reference genes in ‘Feng Dan’ and ‘Xi Shi’, and EF-1α/UBC was recommended to be the best combination for ‘Que Hao’. The expression stability of various reference genes differed across cultivars, suggesting that selection and validation of reliable reference genes for quantitative gene expression analysis was necessary not only for different species but also for different cultivars. The results provided a list of reference genes for further study on gene expression in P. suffruticosa. However, in any case, a preliminary check on the accuracy of the best performing reference genes is requested for each qRT-PCR experiment.
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spelling doaj.art-218fb18d16df45448552f8d7011c43f02022-12-22T01:48:09ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2016-04-01710.3389/fpls.2016.00516178178Selection of Reference Genes for Quantitative Real-time PCR during Flower Development in Tree Peony (Paeonia suffruticosa Andr.)Jian eLi0Jian eLi1Jigang eHan2Yonghong eHu3Ji eYang4Fudan UniversityShanghai Chenshan Botanical GardenShanghai Chenshan Botanical GardenShanghai Chenshan Botanical GardenFudan UniversityTree peony (Paeonia suffruticosa) is a perennial plant indigenous to China known for its elegant and vibrantly colorful flowers. A few genes involved in petal pigmentation have been cloned in tree peony. However, to date, there have been few studies on the comparison and selection of stable reference genes for gene expression analysis by quantitative reverse-transcription PCR (qRT-PCR) in this species. In this study, 10 candidate reference genes were evaluated for the normalization of qRT-PCR in three tree peony cultivars. GAPDH and UBC were identified as the top two most stable reference genes in ‘Feng Dan’ and ‘Xi Shi’, and EF-1α/UBC was recommended to be the best combination for ‘Que Hao’. The expression stability of various reference genes differed across cultivars, suggesting that selection and validation of reliable reference genes for quantitative gene expression analysis was necessary not only for different species but also for different cultivars. The results provided a list of reference genes for further study on gene expression in P. suffruticosa. However, in any case, a preliminary check on the accuracy of the best performing reference genes is requested for each qRT-PCR experiment.http://journal.frontiersin.org/Journal/10.3389/fpls.2016.00516/fullqRT-PCRflower developmenttree peonyReference genesGene expression normalization
spellingShingle Jian eLi
Jian eLi
Jigang eHan
Yonghong eHu
Ji eYang
Selection of Reference Genes for Quantitative Real-time PCR during Flower Development in Tree Peony (Paeonia suffruticosa Andr.)
Frontiers in Plant Science
qRT-PCR
flower development
tree peony
Reference genes
Gene expression normalization
title Selection of Reference Genes for Quantitative Real-time PCR during Flower Development in Tree Peony (Paeonia suffruticosa Andr.)
title_full Selection of Reference Genes for Quantitative Real-time PCR during Flower Development in Tree Peony (Paeonia suffruticosa Andr.)
title_fullStr Selection of Reference Genes for Quantitative Real-time PCR during Flower Development in Tree Peony (Paeonia suffruticosa Andr.)
title_full_unstemmed Selection of Reference Genes for Quantitative Real-time PCR during Flower Development in Tree Peony (Paeonia suffruticosa Andr.)
title_short Selection of Reference Genes for Quantitative Real-time PCR during Flower Development in Tree Peony (Paeonia suffruticosa Andr.)
title_sort selection of reference genes for quantitative real time pcr during flower development in tree peony paeonia suffruticosa andr
topic qRT-PCR
flower development
tree peony
Reference genes
Gene expression normalization
url http://journal.frontiersin.org/Journal/10.3389/fpls.2016.00516/full
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