Design and sampling plan optimization for RT-qPCR experiments in plants: a case study in blueberry

The qPCR assay has become a routine technology in plant biotechnology and agricultural research. It is unlikely to be technically improved, but there are still challenges which center around minimizing the variability in results and transparency when reporting technical data in support of the conclu...

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Main Authors: Jose V Die, Belen eRoman, Fernando eFlores, Lisa Jeannine Rowland
Format: Article
Language:English
Published: Frontiers Media S.A. 2016-03-01
Series:Frontiers in Plant Science
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fpls.2016.00271/full
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author Jose V Die
Belen eRoman
Fernando eFlores
Lisa Jeannine Rowland
author_facet Jose V Die
Belen eRoman
Fernando eFlores
Lisa Jeannine Rowland
author_sort Jose V Die
collection DOAJ
description The qPCR assay has become a routine technology in plant biotechnology and agricultural research. It is unlikely to be technically improved, but there are still challenges which center around minimizing the variability in results and transparency when reporting technical data in support of the conclusions of a study. There are a number of aspects of the pre- and post-assay workflow that contribute to variability of results. Here, through the study of the introduction of error in qPCR measurements at different stages of the workflow, we describe the most important causes of technical variability in a case study using blueberry. In this study, we found that the stage for which increasing the number of replicates would be the most beneficial depends on the tissue used. For example, we would recommend the use of more RT replicates when working with leaf tissue, while the use of more sampling (RNA extraction) replicates would be recommended when working with stems or fruits to obtain the most optimal results. The use of more qPCR replicates provides the least benefit as it is the most reproducible step. By knowing the distribution of error over an entire experiment and the costs at each step, we have developed a script to identify the optimal sampling plan within the limits of a given budget. These findings should help plant scientists improve the design of qPCR experiments and refine their laboratory practices in order to conduct qPCR assays in a more reliable-manner to produce more consistent and reproducible data.
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spelling doaj.art-51b486ed09b34775a4721a8ab9c8504b2022-12-21T20:30:40ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2016-03-01710.3389/fpls.2016.00271173549Design and sampling plan optimization for RT-qPCR experiments in plants: a case study in blueberryJose V Die0Belen eRoman1Fernando eFlores2Lisa Jeannine Rowland3USDA-ARSIFAPAUniversidad de HuelvaUSDA-ARSThe qPCR assay has become a routine technology in plant biotechnology and agricultural research. It is unlikely to be technically improved, but there are still challenges which center around minimizing the variability in results and transparency when reporting technical data in support of the conclusions of a study. There are a number of aspects of the pre- and post-assay workflow that contribute to variability of results. Here, through the study of the introduction of error in qPCR measurements at different stages of the workflow, we describe the most important causes of technical variability in a case study using blueberry. In this study, we found that the stage for which increasing the number of replicates would be the most beneficial depends on the tissue used. For example, we would recommend the use of more RT replicates when working with leaf tissue, while the use of more sampling (RNA extraction) replicates would be recommended when working with stems or fruits to obtain the most optimal results. The use of more qPCR replicates provides the least benefit as it is the most reproducible step. By knowing the distribution of error over an entire experiment and the costs at each step, we have developed a script to identify the optimal sampling plan within the limits of a given budget. These findings should help plant scientists improve the design of qPCR experiments and refine their laboratory practices in order to conduct qPCR assays in a more reliable-manner to produce more consistent and reproducible data.http://journal.frontiersin.org/Journal/10.3389/fpls.2016.00271/fullqPCRBlueberryReplicatesConfounding variationRT variability
spellingShingle Jose V Die
Belen eRoman
Fernando eFlores
Lisa Jeannine Rowland
Design and sampling plan optimization for RT-qPCR experiments in plants: a case study in blueberry
Frontiers in Plant Science
qPCR
Blueberry
Replicates
Confounding variation
RT variability
title Design and sampling plan optimization for RT-qPCR experiments in plants: a case study in blueberry
title_full Design and sampling plan optimization for RT-qPCR experiments in plants: a case study in blueberry
title_fullStr Design and sampling plan optimization for RT-qPCR experiments in plants: a case study in blueberry
title_full_unstemmed Design and sampling plan optimization for RT-qPCR experiments in plants: a case study in blueberry
title_short Design and sampling plan optimization for RT-qPCR experiments in plants: a case study in blueberry
title_sort design and sampling plan optimization for rt qpcr experiments in plants a case study in blueberry
topic qPCR
Blueberry
Replicates
Confounding variation
RT variability
url http://journal.frontiersin.org/Journal/10.3389/fpls.2016.00271/full
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