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Volatile compounds emitted by diverse phytopathogenic microorganisms promote plant growth and flowering through cytokinin action

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dc.contributor.authorSánchez López, Ángela María
dc.contributor.authorBaslam, Marouane
dc.contributor.authorMuñoz Pérez, Francisco José
dc.contributor.authorBahaji, Abdellatif
dc.contributor.authorAlmagro Zabalza, Goizeder
dc.contributor.authorRicarte Bermejo, Adriana
dc.contributor.authorGarcía Gómez, Pablo
dc.contributor.authorBaroja Fernández, Edurne
dc.contributor.authorPozueta Romero, Javier
dc.contributor.departmentIdAB. Instituto de Agrobiotecnología / Agrobioteknologiako Institutuaes_ES
dc.contributor.funderGobierno de Navarra / Nafarroako Gobernua (IIM010491.RI1)es
dc.contributor.funderUniversidad Pública de Navarra / Nafarroako Unibertsitate Publikoaes
dc.date.accessioned2019-06-20T08:02:41Z
dc.date.available2019-06-20T08:02:41Z
dc.date.issued2016
dc.descriptionIncluye material complementarioes_ES
dc.description.abstractIt is known that volatile emissions from some beneficial rhizosphere microorganisms promote plant growth. Here we show that volatile compounds (VCs) emitted by phylogenetically diverse rhizosphere and non-rhizhosphere bacteria and fungi (including plant pathogens and microbes that do not normally interact mutualistically with plants) promote growth and flowering of various plant species, including crops. In Arabidopsis plants exposed to VCs emitted by the phytopathogen Alternaria alternata, changes included enhancement of photosynthesis and accumulation of high levels of cytokinins (CKs) and sugars. Evidence obtained using transgenic Arabidopsis plants with altered CK status show that CKs play essential roles in this phenomenon, because growth and flowering responses to the VCs were reduced in mutants with CK-deficiency (35S:AtCKX1) or low receptor sensitivity (ahk2/3). Further, we demonstrate that the plant responses to fungal VCs are light-dependent. Transcriptomic analyses of Arabidopsis leaves exposed to A. alternata VCs revealed changes in the expression of light- and CK-responsive genes involved in photosynthesis, growth and flowering. Notably, many genes differentially expressed in plants treated with fungal VCs were also differentially expressed in plants exposed to VCs emitted by the plant growth promoting rhizobacterium Bacillus subtilis GB03, suggesting that plants react to microbial VCs through highly conserved regulatory mechanisms.en
dc.description.sponsorshipThis work was partially supported by the Comisión Interministerial de Ciencia y Tecnología and Fondo Europeo de Desarrollo Regional (Spain) (grant numbers BIO2010‐18239 and BIO2013‐49125‐C2‐1‐P), the Government of Navarra (grant number IIM010491.RI1), the I‐Link0939 project from the Ministerio de Economía y Competitividad, the Ministry of Education, Youth and Sports of the Czech Republic (Grant LO1204 from the National Program of Sustainability) and Palacky University institutional support. A.M. S.‐L. and P. G.‐G. gratefully acknowledge predoctoral fellowships from the Spanish Ministry of Science and Innovation. M. B. and G. A. acknowledge post‐doctoral fellowships awarded by the Public University of Navarra.en
dc.format.extent89 p.
dc.format.mimetypeapplication/pdfen
dc.identifier.doi10.1111/pce.12759
dc.identifier.issn0140-7791 (Print)
dc.identifier.issn1365-3040 (Electronic)
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/33452
dc.language.isoengen
dc.publisherJohn Wiley & Sonsen
dc.relation.ispartofPlant, Cell and Environment 39(12): 2592-2608 (2016)en
dc.relation.projectIDinfo:eu-repo/grantAgreement/MINECO//BIO2013-49125-C2-2-P/ES/en
dc.relation.publisherversionhttp://doi.org/10.1111/pce.12759
dc.rights© 2016 John Wiley & Sons Ltd.en
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessen
dc.rights.accessRightsAcceso abierto / Sarbide irekiaes
dc.subjectCytokininen
dc.subjectFloweringen
dc.subjectGrowth promotionen
dc.subjectMicrobial volatile compoundsen
dc.subjectPhotoregulationen
dc.subjectPhotosynthesisen
dc.subjectPlant-microbe interactionen
dc.subjectStarchen
dc.titleVolatile compounds emitted by diverse phytopathogenic microorganisms promote plant growth and flowering through cytokinin actionen
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/acceptedVersionen
dc.type.versionVersión aceptada / Onetsi den bertsioaes
dspace.entity.typePublication
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