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http://hdl.handle.net/10261/191163
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Soria-García, Ángel | es_ES |
dc.contributor.author | Rubio Luna, María Carmen | es_ES |
dc.contributor.author | Lagunas Castán, Beatriz | es_ES |
dc.contributor.author | López-Gomollón, Sara | es_ES |
dc.contributor.author | Luján Serrano, María Ángeles | es_ES |
dc.contributor.author | Díaz-Guerra, Raúl | es_ES |
dc.contributor.author | Picorel Castaño, Rafael | es_ES |
dc.contributor.author | Alfonso Lozano, Miguel | es_ES |
dc.date.accessioned | 2019-09-20T10:39:48Z | - |
dc.date.available | 2019-09-20T10:39:48Z | - |
dc.date.issued | 2019-05 | - |
dc.identifier.citation | Soría-García A, Rubio MC, Lagunas B, López-Gomollón S, Luján MA, Díaz-Guerra R, Picorel R, Alfonso M. Tissue Distribution and Specific Contribution of Arabidopsis FAD7 and FAD8 Plastid Desaturases to the JA and ABA Mediated Cold Stress or Defence Responses. Plant and Cell Physiology 60 (5): 1025-1040 (2019) | es_ES |
dc.identifier.issn | 0032-0781, ESSN: 1471-9053 | - |
dc.identifier.uri | http://hdl.handle.net/10261/191163 | - |
dc.description | 56 Pags.- 1 Tab.- 8 Figs. The definitive version is available at: https://academic.oup.com/pcp | es_ES |
dc.description.abstract | To overcome the difficulties to analyze membrane desaturases at the protein level, transgenic Arabidopsis plants expressing the plastidial AtFAD7 and AtFAD8 o-3 desaturases fused to green fluorescent protein, under the control of their endogenous promoters, were generated and their tissue relative abundance was studied. Gene expression, glucuronidase promoter activity, immunoblot and confocal microscopy analyses indicated that AtFAD7 is the major o-3 desaturase in leaves when compared to AtFAD8. This higher abundance of AtFAD7 was consistent with its higher promoter activity and could be related with its specificity for the abundant leaf galactolipids. AtFAD7 was also present in roots but at much lower level than leaves. AtFAD8 expression and protein abundance in leaves was consistent with its lower promoter activity, suggesting that transcriptional control modulates the abundance of both desaturases in leaves. AtFAD7 protein levels increased in response to wounding but not to jasmonate (JA), and decreased upon abscisic acid (ABA) treatment. Conversely, AtFAD8 protein levels increased upon cold or JA exposure and decreased at high temperatures, but did not respond to ABA or wounding. These results indicated specific and non-redundant roles for the plastidial o-3 desaturases in defense, temperature stress or phytohormone mediated responses and a tight coordination of their activities between biotic and abiotic stress signaling pathways. Our data suggested that transcriptional regulation was crucial for this coordination. Finally, bimolecular fluorescence complementation analysis showed that both AtFAD7 and AtFAD8 interact with the AtFAD6 o6 desaturase in vivo, suggesting that quaternary complexes are involved in trienoic fatty acid production within the plastid membranes. | es_ES |
dc.description.sponsorship | The Spanish Ministry of Economy and Competitiveness [MINECO, Grant AGL2014-55300-R] and Gobierno de Aragón, strategic research projects [A09-17-R]; A.S.-G. was recipient of a FPI fellowship from MINECO. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Oxford University Press | es_ES |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/AGL2014-55300-R | es_ES |
dc.relation.isversionof | Postprint | es_ES |
dc.rights | openAccess | en_EN |
dc.subject | Arabidopsis thaliana | es_ES |
dc.subject | Fatty acid | es_ES |
dc.subject | FAD7 | es_ES |
dc.subject | FAD8 | es_ES |
dc.subject | ABA | es_ES |
dc.subject | Cold | es_ES |
dc.subject | JA | es_ES |
dc.subject | wounding | es_ES |
dc.title | Tissue Distribution and Specific Contribution of Arabidopsis FAD7 and FAD8 Plastid Desaturases to the JA and ABA Mediated Cold Stress or Defence Responses | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1093/pcp/pcz017 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | https://doi.org/10.1093/pcp/pcz017 | es_ES |
dc.identifier.e-issn | 0032-0781, ESSN: 1471-9053 | - |
dc.embargo.terms | 2020-05-31 | es_ES |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | es_ES |
dc.contributor.funder | Gobierno de Aragón | es_ES |
dc.relation.csic | Sí | es_ES |
oprm.item.hasRevision | no ko 0 false | * |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100010067 | es_ES |
dc.contributor.orcid | Soria-García, Ángel [0000-0001-8115-456X][ | es_ES |
dc.contributor.orcid | Rubio Luna, María Carmen [0000-0002-9378-7775] | es_ES |
dc.contributor.orcid | Picorel Castaño, Rafael [0000-0003-3791-129X] | es_ES |
dc.contributor.orcid | Alfonso Lozano, Miguel [0000-0002-8190-515] | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.languageiso639-1 | en | - |
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AlfonsoM_PlantPhysiol_2019.pdf | 2,12 MB | Adobe PDF | Visualizar/Abrir |
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