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ETHYLENE RESPONSE FACTOR 115 integrates jasmonate and cytokinin signaling machineries to repress adventitious rooting in Arabidopsis

Lakehal, Abdellah and Dob, Asma and Rahneshan, Zahra and Novak, Ondrej and Escamez, Sacha and Alallaq, Sanaria and Strnad, Miroslav and Tuominen, Hannele and Bellini, Catherine (2020). ETHYLENE RESPONSE FACTOR 115 integrates jasmonate and cytokinin signaling machineries to repress adventitious rooting in Arabidopsis. New Phytologist. 228 , 1611-1626
[Research article]

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Abstract

Adventitious root initiation (ARI) is ade novoorganogenesis program and a key adaptive trait in plants. Several hormones regulate ARI but the underlying genetic architecture that integrates the hormonal crosstalk governing this process remains largely elusive. In this study, we use genetics, genome editing, transcriptomics, hormone profiling and cell biological approaches to demonstrate a crucial role played by the APETALA2/ETHYLENE RESPONSE FACTOR 115 transcription factor. We demonstrate that ERF115 functions as a repressor of ARI by activating the cytokinin (CK) signaling machinery. We also demonstrate thatERF115is transcriptionally activated by jasmonate (JA), an oxylipin-derived phytohormone, which represses ARI in NINJA-dependent and independent manners. Our data indicate that NINJA-dependent JA signaling in pericycle cells blocks early events of ARI. Altogether, our results reveal a previously unreported molecular network involving cooperative crosstalk between JA and CK machineries that represses ARI.

Authors/Creators:Lakehal, Abdellah and Dob, Asma and Rahneshan, Zahra and Novak, Ondrej and Escamez, Sacha and Alallaq, Sanaria and Strnad, Miroslav and Tuominen, Hannele and Bellini, Catherine
Title:ETHYLENE RESPONSE FACTOR 115 integrates jasmonate and cytokinin signaling machineries to repress adventitious rooting in Arabidopsis
Series Name/Journal:New Phytologist
Year of publishing :2020
Volume:228
Page range:1611-1626
Number of Pages:16
Publisher:WILEY
ISSN:0028-646X
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution-Noncommercial-No Derivative Works 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Botany
Keywords:adventitious rooting, AP2, ERF transcription factors, cytokinins, de novoorganogenesis, jasmonate
URN:NBN:urn:nbn:se:slu:epsilon-p-107255
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-107255
Additional ID:
Type of IDID
DOI10.1111/nph.16794
Web of Science (WoS)000556034400001
ID Code:21944
Faculty:S - Faculty of Forest Sciences
Department:(S) > Dept. of Forest Genetics and Plant Physiology
Deposited By: SLUpub Connector
Deposited On:03 Feb 2021 04:03
Metadata Last Modified:03 Feb 2021 06:01

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