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Nitrogen Deficiency-Induced Decrease in Cytokinins Content Promotes Rice Seminal Root Growth by Promoting Root Meristem Cell Proliferation and Cell Elongation

Cytokinin and Ethylene Cell Signaling Pathways from Prokaryotes to Eukaryotes

Groupe d’Etude des Interactions Hôte-Pathogène, GEIHP, EA3142, UNIV Angers, SFR 4208 ICAT, F-49933 Angers, France
Biomolécules et Biotechnologies Végétales, BBV, EA2106, Université de Tours, F-37200 Tours, France
LBLGC, University of Orléans, EA1207, INRA, USC1328, F-45000 Orléans, France
Centre of the Region Haná for Biotechnological and Agricultural Research, Department of Chemical Biology and Genetics, Faculty of Science, Palacký University Olomouc, Šlechtitelů 27, CZ-783 71 Olomouc, Czech Republic
Biochemistry & Cellular and Molecular Biology, University of Tennessee, Knoxville, TN 37996, USA
Algal Genetics Group, UMR 8227, Integrative Biology of Marine Models, Station Biologique de Roscoff, Sorbonne Université, UPMC, CNRS, F-29688 Roscoff, France
Author to whom correspondence should be addressed.
Cells 2020, 9(11), 2526;
Received: 26 October 2020 / Revised: 17 November 2020 / Accepted: 18 November 2020 / Published: 23 November 2020
(This article belongs to the Special Issue Hormonal Signaling in Plants and the Changing Environment)
Cytokinins (CKs) and ethylene (ET) are among the most ancient organic chemicals on Earth. A wide range of organisms including plants, algae, fungi, amoebae, and bacteria use these substances as signaling molecules to regulate cellular processes. Because of their ancestral origin and ubiquitous occurrence, CKs and ET are also considered to be ideal molecules for inter-kingdom communication. Their signal transduction pathways were first historically deciphered in plants and are related to the two-component systems, using histidine kinases as primary sensors. Paradoxically, although CKs and ET serve as signaling molecules in different kingdoms, it has been supposed for a long time that the canonical CK and ET signaling pathways are restricted to terrestrial plants. These considerations have now been called into question following the identification over recent years of genes encoding CK and ET receptor homologs in many other lineages within the tree of life. These advances shed new light on the dissemination and evolution of these hormones as both intra- and inter-specific communication molecules in prokaryotic and eukaryotic organisms. View Full-Text
Keywords: ethylene; cytokinins; histidine kinases; receptors; cell signaling ethylene; cytokinins; histidine kinases; receptors; cell signaling
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MDPI and ACS Style

Bidon, B.; Kabbara, S.; Courdavault, V.; Glévarec, G.; Oudin, A.; Héricourt, F.; Carpin, S.; Spíchal, L.; Binder, B.M.; Cock, J.M.; Papon, N. Cytokinin and Ethylene Cell Signaling Pathways from Prokaryotes to Eukaryotes. Cells 2020, 9, 2526.

AMA Style

Bidon B, Kabbara S, Courdavault V, Glévarec G, Oudin A, Héricourt F, Carpin S, Spíchal L, Binder BM, Cock JM, Papon N. Cytokinin and Ethylene Cell Signaling Pathways from Prokaryotes to Eukaryotes. Cells. 2020; 9(11):2526.

Chicago/Turabian Style

Bidon, Baptiste, Samar Kabbara, Vincent Courdavault, Gaëlle Glévarec, Audrey Oudin, François Héricourt, Sabine Carpin, Lukáš Spíchal, Brad M. Binder, J. M. Cock, and Nicolas Papon. 2020. "Cytokinin and Ethylene Cell Signaling Pathways from Prokaryotes to Eukaryotes" Cells 9, no. 11: 2526.

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