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A dual function of SnRK2 kinases in the regulation of SnRK1 and plant growth

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dc.contributor.authorBelda-Palazón, Borja
dc.contributor.authorAdamo, Mattia
dc.contributor.authorValerio, Concetta
dc.contributor.authorFerreira, Liliana J.
dc.contributor.authorConfraria, Ana
dc.contributor.authorReis-Barata, Elena
dc.contributor.authorRodrigues, Américo
dc.contributor.authorMeyer, Christian
dc.contributor.authorRodriguez, Pedro L.
dc.contributor.authorBaena-González, Elena
dc.date.accessioned2021-07-27T14:10:33Z
dc.date.available2021-07-27T14:10:33Z
dc.date.issued2020
dc.descriptionThis work was supported by Fundação para a Ciência e a Tecnologia through the R&D Units UIDB/04551/2020 (GREEN-IT—Bioresources for Sustainability) and UID/MAR/04292/2019, FCT project nos. PTDC/BIA-PLA/7143/2014, LISBOA-01-0145-FEDER-028128 and PTDC/ BIA-BID/32347/2017, and FCT fellowships/contract nos. SFRH/BD/122736/2016 (M.A.), SFRH/BPD/109336/2015 (A.C.), PD/BD/150239/2019 (D.R.B.), and IF/00804/2013 (E.B.G.). Work in P.L.R.’s laboratory was funded by MCIU grant no. BIO2017-82503-R. C.M. thanks the LabEx Paris Saclay Plant Sciences-SPS (ANR-10-LABX-040-SPS) for support. B.B.P. was funded by Programa VALi+d GVA APOSTD/2017/039. This project has received funding from the European Union Horizon 2020 research and innovation programme (grant agreement no. 867426—ABA-GrowthBalance—H2020-WF-2018-2020/H2020-WF-01-2018, awarded to B.B.P.).
dc.description.abstractAdverse environmental conditions trigger responses in plants that promote stress tolerance and survival at the expense of growth1. However, little is known of how stress signalling pathways interact with each other and with growth regulatory components to balance growth and stress responses. Here, we show that plant growth is largely regulated by the interplay between the evolutionarily conserved energy-sensing SNF1-related protein kinase 1 (SnRK1) protein kinase and the abscisic acid (ABA) phytohormone pathway. While SnRK2 kinases are main drivers of ABA-triggered stress responses, we uncover an unexpected growth-promoting function of these kinases in the absence of ABA as repressors of SnRK1. Sequestration of SnRK1 by SnRK2 containing complexes inhibits SnRK1 signalling, thereby allowing target of rapamycin (TOR) activity and growth under optimal conditions. On the other hand, these complexes are essential for releasing and activating SnRK1 in response to ABA, leading to the inhibition of TOR and growth under stress. This dual regulation of SnRK1 by SnRK2 kinases couples growth control with environmental factors typical for the terrestrial habitat and is likely to have been critical for the water-to-land transition of plants.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBelda-Palazón, B., Adamo, M., Valerio, C., Ferreira, L.J., Confraria, A., Reis-Barata, D., Rodrigues, A., Meyer, Christian, Rodriguez, P.L., & Baena-González, E. (2020). A dual function of SnRK2 kinases in the regulation of SnRK1 and plant growth. Nature Plants. https://doi.org/10.1038/ s41477-020-00778-wpt_PT
dc.identifier.doi10.1038/ s41477-020-00778-wpt_PT
dc.identifier.issn2055-0278
dc.identifier.issn2055-026X
dc.identifier.urihttp://hdl.handle.net/10400.8/5941
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherNature Researchpt_PT
dc.relationGREEN-IT "Bioresources for Sustainability"
dc.relationMARE - Marine and Environmental Sciences Centre
dc.relationThe role of energy signalling in shoot branching
dc.relationRegulation of ABA signaling by SnRK1 protein kinases
dc.relationEnergy signaling in plant growth and development
dc.relation“Function of TPS proteins and their interplay with SnRK1 kinases in the regulation of plant growth and development”
dc.relationDissection of the SnRK1 signaling pathway: connecting environmental signals to plant growth and development
dc.relationDissection of the SnRK1 signaling pathway: connecting environmental signals to plant growth and development
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.titleA dual function of SnRK2 kinases in the regulation of SnRK1 and plant growthpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleGREEN-IT "Bioresources for Sustainability"
oaire.awardTitleMARE - Marine and Environmental Sciences Centre
oaire.awardTitleThe role of energy signalling in shoot branching
oaire.awardTitleRegulation of ABA signaling by SnRK1 protein kinases
oaire.awardTitleEnergy signaling in plant growth and development
oaire.awardTitle“Function of TPS proteins and their interplay with SnRK1 kinases in the regulation of plant growth and development”
oaire.awardTitleDissection of the SnRK1 signaling pathway: connecting environmental signals to plant growth and development
oaire.awardTitleDissection of the SnRK1 signaling pathway: connecting environmental signals to plant growth and development
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04551%2F2020/PT
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oaire.citation.titleNature Plantspt_PT
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person.familyNameRodrigues
person.givenNameAmérico
person.identifier.orcid0000-0002-5293-5583
person.identifier.ridF-9573-2010
person.identifier.scopus-author-id15745701600
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rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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