CORRECTION article

Front. Plant Sci., 28 July 2021
Sec. Plant Pathogen Interactions
https://doi.org/10.3389/fpls.2021.723957

Corrigendum: Genes Involved in Stress Response and Especially in Phytoalexin Biosynthesis Are Upregulated in Four Malus Genotypes in Response to Apple Replant Disease

  • 1Institute for Breeding Research on Fruit Crops, Julius Kühn-Institut, Federal Research Centre for Cultivated Plants, Dresden, Germany
  • 2Institute of Horticultural Production Systems, Woody Plant and Propagation Physiology Section, Gottfried Wilhelm Leibniz University Hannover, Hanover, Germany
  • 3Institute of Pharmaceutical Biology, Technische Universität Braunschweig, Braunschweig, Germany
  • 4Department of Natural Sciences, Hochschule Bonn-Rhein-Sieg, Rheinbach, Germany

A Corrigendum on
Genes Involved in Stress Response and Especially in Phytoalexin Biosynthesis Are Upregulated in Four Malus Genotypes in Response to Apple Replant Disease

by Reim, S., Rohr, A.-D., Winkelmann, T., Weiß, S., Liu, B., Beerhues, L., et al. (2020). Front. Plant Sci. 10:1724. doi: 10.3389/fpls.2019.01724

In the original article, there was a mistake in Figure S2 as published. The mistake included the labeling of two steps in the proposed biosynthesis pathway of biphenyl and dibenzofuran phytoalexins. The corrected Figure S2 appears below. Figure S2 has been updated in the original article.

FIGURE S2
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Figure S2. Proposed biosynthetic pathway of biphenyl and dibenzofuran phytoalexins. Solid arrows represent established steps whereas broken arrows mark hypothetical reactions. BIS, biphenyl synthase; OMT, o-methyltransferase; B4H, biphenyl 4-hydroxylase.

In Table S2 of the published article, single amplicon sizes were given incorrectly. They have been corrected, and a corrected Table S2 file is published.

Following a reader's comment, specificity of two primer pairs was tested by sequencing. A paragraph was added to Material And Methods, Primer Selection and RT-qPCR Validation after paragraph 2:

To test the specificity of the primers used to amplify the genes B4Ha and B4Hb (Table S2), an amplicon deep sequencing was conducted. The sequence analysis proved the B4Hb primers to be highly specific. The sequencing results also showed that the B4Ha amplicon is present in both B4Ha and B4Hb. This means that the primers for B4Ha are not gene-specific. This limited specificity should be considered for the interpretation of the respective data.

The authors apologize for these errors and state that they do not change the scientific conclusions of the article in any way. The original article has been updated.

Publisher's Note

All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher.

Keywords: apple replant disease (ARD), gene expression, BioMark HD microfluidic system, high-throughput qRT-PCR, phytoalexins, greenhouse bio-test, soil properties, Malus genotypes

Citation: Reim S, Rohr A-D, Winkelmann T, Weiß S, Liu B, Beerhues L, Schmitz M, Hanke M-V and Flachowsky H (2021) Corrigendum: Genes Involved in Stress Response and Especially in Phytoalexin Biosynthesis Are Upregulated in Four Malus Genotypes in Response to Apple Replant Disease. Front. Plant Sci. 12:723957. doi: 10.3389/fpls.2021.723957

Received: 11 June 2021; Accepted: 16 June 2021;
Published: 28 July 2021.

Edited and reviewed by: Giorgio Gambino, National Research Council (CNR), Italy

Copyright © 2021 Reim, Rohr, Winkelmann, Weiß, Liu, Beerhues, Schmitz, Hanke and Flachowsky. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

*Correspondence: Traud Winkelmann, traud.winkelmann@zier.uni-hannover.de

These authors have contributed equally to this work

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