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dc.contributor.authorSeco, R.-
dc.contributor.authorFilella, Iolanda-
dc.contributor.authorLlusia, Joan-
dc.contributor.authorPeñuelas, Josep-
dc.date.accessioned2012-09-03T09:01:50Z-
dc.date.available2012-09-03T09:01:50Z-
dc.date.issued2011-
dc.identifier.citationActa Physiologiae Plantarum 33: 2413-2422 (2011)es_ES
dc.identifier.issn0137-5881-
dc.identifier.urihttp://hdl.handle.net/10261/55445-
dc.description10 páginas, 4 figuras.es_ES
dc.description.abstractSeveral volatile organic compounds (VOCs) have been reported as having a communication role between plants and also between plants and animals. We aimed to test whether methanol, a short-chain oxygenated VOC, could also have a signalling role between plants. We monitored photosynthetic performance and VOC exchange rates of Quercus ilex L. saplings before and after two different treatments: (a) clipping of some leaves to simulate an attack by herbivores and (b) fumigation with gaseous methanol for 5 h to simulate the amount of methanol a plant could receive from surrounding plants if those had been already attacked by herbivores. The clipping treatment enhanced the photosynthetic rates, the chlorophyll a to b ratio and the carotenoid to chlorophyll ratio of nonclipped leaves, suggesting an activation of plant protective metabolism. Also, a small but interesting systemic (in nonclipped leaves) increase in methanol emission rates was observed, which agrees with the possibility that methanol may act as a signalling cue. The methanol fumigation treatment induced an increase in the actual photochemical efficiency of PSII and also in the carotenoid to chlorophyll ratio. Methanol fumigation also promoted a 14% increase in the monoterpene emission rate, 1 day after the treatment, a similar response to the ones induced by other signalling VOCs. The enhanced monoterpene emissions could add to the blend of VOCs emitted after stress and be part of further signalling pathways, thus forwarding the message started by methanol. This study suggests that clipping and methanol fumigation at natural concentrations elicit significant neighbour plant physiological responses and further BVOC emissions.es_ES
dc.description.sponsorshipThis study was supported by the Spanish Government grants CGL2006-04025/BOS, CGL2010-17172, and Consolider-Ingenio Montes CSD2008-00040, the CSIC grant PIF08-006-3 and the Catalan Government grant SGR 2009-458. Roger Seco gratefully acknowledges a FPI fellowship (BES-2005-6989) from MEC (Spanish Government).es_ES
dc.language.isoenges_ES
dc.publisherSpringeres_ES
dc.rightsopenAccesses_ES
dc.subjectMethanoles_ES
dc.subjectQuercus ilexes_ES
dc.subjectMonoterpeneses_ES
dc.subjectEmission rateses_ES
dc.subjectPlant–plant communicationes_ES
dc.subjectSignales_ES
dc.subjectBVOCses_ES
dc.subjectPhotosynthetic rateses_ES
dc.subjectPhotosynthetic pigmentses_ES
dc.titleMethanol as a signal triggering isoprenoid emissions and photosynthetic performance in Quercus ilexes_ES
dc.typeartículoes_ES
dc.identifier.doi10.1007/s11738-011-0782-0-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1007/s11738-011-0782-0es_ES
dc.identifier.e-issn1861-1664-
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