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http://hdl.handle.net/10261/172001
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dc.contributor.author | León Morcillo, Rafael Jorge | es_ES |
dc.contributor.author | Tamayo Navarrete, María Isabel | es_ES |
dc.contributor.author | Ocampo, Juan Antonio | es_ES |
dc.contributor.author | Prat, Salomé | es_ES |
dc.contributor.author | García-Garrido, J. M. | es_ES |
dc.date.accessioned | 2018-11-08T10:03:43Z | - |
dc.date.available | 2018-11-08T10:03:43Z | - |
dc.date.issued | 2016 | - |
dc.identifier | doi: 10.1016/j.jplph.2015.11.003 | - |
dc.identifier | issn: 0176-1617 | - |
dc.identifier.citation | Journal of Plant Physiology 190: 15- 25 (2016) | es_ES |
dc.identifier.uri | http://hdl.handle.net/10261/172001 | - |
dc.description.abstract | Arbuscular mycorrhizal (AM) is a mutually beneficial interaction among higher plants and soil fungi of the phylum Glomeromycota. Numerous studies have pointed that jasmonic acid plays an important role in the development of the intraradical fungus. This compound belongs to a group of biologically active compounds known as oxylipins which are derived from the oxidative metabolism of polyunsaturated fatty acids. Studies of the regulatory role played by oxylipins in AM colonization have generally focused on jasmonates, while few studies exist on the 9-LOX pathway of oxylipins during AM formation. Here, the cDNA of Allene oxide synthase 3 (AOS3), a key enzyme in the 9-LOX pathway, was used in the RNA interference (RNAi) system to transform potato plants in order to suppress its expression. Results show increases in AOS3 gene expression and 9-LOX products in roots of wild type potato mycorrhizal plants. The suppression of AOS3 gene expression increases the percentage of root with mycorrhizal colonization at early stages of AM formation. AOS3 RNA interference lead to an induction of LOXA and 13-LOX genes, a reduction in AOS3 derived 9-LOX oxylipin compounds and an increase in jasmonic acid content, suggesting compensation between 9 and 13-LOX pathways. The results in a whole support the hypothesis of a regulatory role for the 9-LOX oxylipin pathway during mycorrhization. | - |
dc.description.sponsorship | We wish to thank the Tomato Genetics Resource Centre (TGRC) of the University of California for providing tomato seeds. We would also like to thank Michael O’Shea for proof-reading the document. LC-MS/MS analyses were carried out by Dr. Lourdes Sánchez-Moreno at the Scientific Instrumentation Service of the Estación Experimental del Zaidín (CSIC), Granada, Spain. This study was supported by grants from the Comisión Interministerial de Ciencia y Tecnología (CICYT) and Fondos Europeos de Desarrollo Regional (FEDER) through the Ministerio de Economía y Competitividad in Spain (AGL2011-25930; AGL2014-52298-P) as well as the Junta de Andalucía (Research Group BIO 260). R. J. León was supported by a research fellowship from the CSIC-JAE program. | - |
dc.publisher | Elsevier | es_ES |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/AGL2014-52298-P | - |
dc.relation.isversionof | Preprint | - |
dc.rights | openAccess | - |
dc.subject | Oxylipins | - |
dc.subject | 9-LOX pathway | - |
dc.subject | Allene oxide synthase | - |
dc.subject | Arbuscular mycorrhizal | - |
dc.title | Suppression of allene oxide synthase 3 in potato increases degree of arbuscular mycorrhizal fungal colonization | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1016/j.jplph.2015.11.003 | - |
dc.date.updated | 2018-11-08T10:03:43Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.contributor.funder | Junta de Andalucía | - |
dc.contributor.funder | European Commission | - |
dc.contributor.funder | Consejo Superior de Investigaciones Científicas (España) | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.relation.csic | Sí | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000780 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003339 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100011011 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
item.fulltext | With Fulltext | - |
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2016 Leon JPP.pdf | 839,29 kB | Adobe PDF | Visualizar/Abrir |
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