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http://hdl.handle.net/10261/126407
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dc.contributor.author | Jauregui, Iván | - |
dc.contributor.author | Aroca, Ricardo | - |
dc.contributor.author | Garnica, María | - |
dc.contributor.author | Zamarreño, Ángel M. | - |
dc.contributor.author | García-Mina, José María | - |
dc.contributor.author | Serret, María Dolors | - |
dc.contributor.author | Parry, Martin | - |
dc.contributor.author | Irigoyen, Juan José | - |
dc.contributor.author | Aranjuelo, Iker | - |
dc.date.accessioned | 2015-12-03T07:41:30Z | - |
dc.date.available | 2015-12-03T07:41:30Z | - |
dc.date.issued | 2015-11 | - |
dc.identifier | e-issn: 1399-3054 | - |
dc.identifier | issn: 0031-9317 | - |
dc.identifier.citation | Physiologia Plantarum 155(3): 338-354 (2015) | - |
dc.identifier.uri | http://hdl.handle.net/10261/126407 | - |
dc.description.abstract | Although climate scenarios have predicted an increase in [CO2] and temperature conditions, to date few experiments have focused on the interaction of [CO2] and temperature effects in wheat development. Recent evidence suggests that photosynthetic acclimation is linked to the photorespiration and N assimilation inhibition of plants exposed to elevated CO2. The main goal of this study was to analyze the effect of interacting [CO2] and temperature on leaf photorespiration, C/N metabolism and N transport in wheat plants exposed to elevated [CO2] and temperature conditions. For this purpose, wheat plants were exposed to elevated [CO2] (400 vs 700 μmolmol-1) and temperature (ambient vs ambient+4 ° C) in CO2 gradient greenhouses during the entire life cycle. Although at the agronomic level, elevated temperature had no effect on plant biomass, physiological analyses revealed that combined elevated [CO2] and temperature negatively affected photosynthetic performance. The limited energy levels resulting from the reduced respiratory and photorespiration rates of such plants were apparently inadequate to sustain nitrate reductase activity. Inhibited N assimilation was associated with a strong reduction in amino acid content, conditioned leaf soluble protein content and constrained leaf N status. Therefore, the plant response to elevated [CO2] and elevated temperature resulted in photosynthetic acclimation. The reduction in transpiration rates induced limitations in nutrient transport in leaves of plants exposed to elevated [CO2] and temperature, led to mineral depletion and therefore contributed to the inhibition of photosynthetic activity. | - |
dc.description.sponsorship | This work has been funded by the Spanish National Research and Development Program (AGL2011-30386-C02-02 and AGL2013-44147-R). I. J.has been the holder of an FPI fellowship from the Span-ish Ministry of Economy and Competitiveness. I. A. wasthe recipient of a Ramón y Cajal research grant (SpanishEconomy and Competiveness Ministry). | - |
dc.publisher | Blackwell Publishing | - |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/AGL2013-44147-R | - |
dc.rights | closedAccess | - |
dc.title | Nitrogen assimilation and transpiration: Key processes conditioning responsiveness of wheat to elevated [CO2] and temperature | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1111/ppl.12345 | - |
dc.relation.publisherversion | http://dx.doi.org/10.1111/ppl.12345 | - |
dc.date.updated | 2015-12-03T07:41:31Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.grantfulltext | none | - |
item.openairetype | artículo | - |
item.cerifentitytype | Publications | - |
item.fulltext | No Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
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