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Manzano C, Pallero-Baena M, Casimiro I, et al. The Emerging Role of Reactive Oxygen Species Signaling during Lateral Root Development. Plant Physiol. 2014;165(3):1105-1119doi: 10.1104/pp.114.238873.
Manzano, C., Pallero-Baena, M., Casimiro, I., De Rybel, B., Orman-Ligeza, B., Van Isterdael, G., Beeckman, T., Draye, X., Casero, P., & Del Pozo, J. C. (2014). The Emerging Role of Reactive Oxygen Species Signaling during Lateral Root Development. Plant physiology, 165(3), 1105-1119. https://doi.org/10.1104/pp.114.238873
Manzano, Concepción, et al. "The Emerging Role of Reactive Oxygen Species Signaling during Lateral Root Development." Plant physiology vol. 165,3 (2014): 1105-1119. doi: https://doi.org/10.1104/pp.114.238873
Manzano C, Pallero-Baena M, Casimiro I, De Rybel B, Orman-Ligeza B, Van Isterdael G, Beeckman T, Draye X, Casero P, Del Pozo JC. The Emerging Role of Reactive Oxygen Species Signaling during Lateral Root Development. Plant Physiol. 2014 Jul;165(3):1105-1119. doi: 10.1104/pp.114.238873. Epub 2014 May 30. PMID: 24879433; PMCID: PMC4081325.
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Plant Physiol. 2014 Jul;165(3):1105-1119. doi: 10.1104/pp.114.238873. Epub 2014 May 30.

The Emerging Role of Reactive Oxygen Species Signaling during Lateral Root Development.

Plant physiology

Concepción Manzano, Mercedes Pallero-Baena, Ilda Casimiro, Bert De Rybel, Beata Orman-Ligeza, Gert Van Isterdael, Tom Beeckman, Xavier Draye, Pedro Casero, Juan C Del Pozo

Affiliations

  1. Centro de Biotecnología y Genómica de Plantas, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Campus de Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain (C.M., M.P.-B., I.C., J.C.d.P.);Universidad de Extremadura, Facultad de Ciencias, 06006 Badajoz, Spain (M.P.-B., I.C., P.C.);Department of Plant Systems Biology, Integrative Plant Biology Division, Flanders Interuniversity Institute for Biotechnology, B-9052 Ghent, Belgium (B.D.R., B.O.-L., G.V.I., T.B.);Department of Plant Biotechnology and Bioinformatics, Ghent University, B-9052 Ghent, Belgium (B.D.R., G.V.I., T.B.); andUniversite Catholique de Louvain, Earth and Life Institute, B-1348 Louvain-la-Neuve, Belgium (B.O.-L., X.D.).
  2. Centro de Biotecnología y Genómica de Plantas, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Campus de Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain (C.M., M.P.-B., I.C., J.C.d.P.);Universidad de Extremadura, Facultad de Ciencias, 06006 Badajoz, Spain (M.P.-B., I.C., P.C.);Department of Plant Systems Biology, Integrative Plant Biology Division, Flanders Interuniversity Institute for Biotechnology, B-9052 Ghent, Belgium (B.D.R., B.O.-L., G.V.I., T.B.);Department of Plant Biotechnology and Bioinformatics, Ghent University, B-9052 Ghent, Belgium (B.D.R., G.V.I., T.B.); andUniversite Catholique de Louvain, Earth and Life Institute, B-1348 Louvain-la-Neuve, Belgium (B.O.-L., X.D.) [email protected].

PMID: 24879433 PMCID: PMC4081325 DOI: 10.1104/pp.114.238873

Abstract

Overall root architecture is the combined result of primary and lateral root growth and is influenced by both intrinsic genetic programs and external signals. One of the main questions for root biologists is how plants control the number of lateral root primordia and their emergence through the main root. We recently identified S-phase kinase-associated protein2 (SKP2B) as a new early marker for lateral root development. Here, we took advantage of its specific expression pattern in Arabidopsis (Arabidopsis thaliana) in a cell-sorting and transcriptomic approach to generate a lateral root-specific cell sorting SKP2B data set that represents the endogenous genetic developmental program. We first validated this data set by showing that many of the identified genes have a function during root growth or lateral root development. Importantly, genes encoding peroxidases were highly represented in our data set. Thus, we next focused on this class of enzymes and showed, using genetic and chemical inhibitor studies, that peroxidase activity and reactive oxygen species signaling are specifically required during lateral root emergence but, intriguingly, not for primordium specification itself.

© 2014 American Society of Plant Biologists. All Rights Reserved.

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