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10.3390/cells9112526
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Review

Cytokinin and Ethylene Cell Signaling Pathways from Prokaryotes to Eukaryotes

by
Baptiste Bidon
1,
Samar Kabbara
1,
Vincent Courdavault
2,
Gaëlle Glévarec
2,
Audrey Oudin
2,
François Héricourt
3,
Sabine Carpin
3,
Lukáš Spíchal
4,
Brad M. Binder
5,
J. Mark Cock
6 and
Nicolas Papon
1,*
1
Groupe d’Etude des Interactions Hôte-Pathogène, GEIHP, EA3142, UNIV Angers, SFR 4208 ICAT, F-49933 Angers, France
2
Biomolécules et Biotechnologies Végétales, BBV, EA2106, Université de Tours, F-37200 Tours, France
3
LBLGC, University of Orléans, EA1207, INRA, USC1328, F-45000 Orléans, France
4
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
5
Biochemistry & Cellular and Molecular Biology, University of Tennessee, Knoxville, TN 37996, USA
6
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; https://doi.org/10.3390/cells9112526
Submission 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)
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Abstract

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.
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.; et al. Cytokinin and Ethylene Cell Signaling Pathways from Prokaryotes to Eukaryotes. Cells 2020, 9, 2526. https://doi.org/10.3390/cells9112526

AMA Style

Bidon B, Kabbara S, Courdavault V, Glévarec G, Oudin A, Héricourt F, Carpin S, Spíchal L, Binder BM, Cock JM, et al. Cytokinin and Ethylene Cell Signaling Pathways from Prokaryotes to Eukaryotes. Cells. 2020; 9(11):2526. https://doi.org/10.3390/cells9112526

Chicago/Turabian Style

Bidon, Baptiste, Samar Kabbara, Vincent Courdavault, Gaëlle Glévarec, Audrey Oudin, François Héricourt, Sabine Carpin, Lukáš Spíchal, Brad M. Binder, J. Mark Cock, and et al. 2020. "Cytokinin and Ethylene Cell Signaling Pathways from Prokaryotes to Eukaryotes" Cells 9, no. 11: 2526. https://doi.org/10.3390/cells9112526

APA 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. (2020). Cytokinin and Ethylene Cell Signaling Pathways from Prokaryotes to Eukaryotes. Cells, 9(11), 2526. https://doi.org/10.3390/cells9112526

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