000021720 001__ 21720
000021720 005__ 20180210125907.0
000021720 0247_ $$2pmid$$apmid:22729524
000021720 0247_ $$2pmc$$apmc:PMC3430843
000021720 0247_ $$2DOI$$a10.1007/s11120-012-9757-2
000021720 0247_ $$2WOS$$aWOS:000308188800016
000021720 037__ $$aPreJuSER-21720
000021720 041__ $$aeng
000021720 082__ $$a580
000021720 084__ $$2WoS$$aPlant Sciences
000021720 1001_ $$0P:(DE-Juel1)VDB78010$$aAlter, P.$$b0$$uFZJ
000021720 245__ $$aAcclimatory responses of Arabidopsis to fluctuating light environment: comparison of different sunfleck regimes and accessions
000021720 260__ $$aDordrecht [u.a.]$$bSpringer Science + Business Media B.V$$c2012
000021720 300__ $$a221 - 237
000021720 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article
000021720 3367_ $$2DataCite$$aOutput Types/Journal article
000021720 3367_ $$00$$2EndNote$$aJournal Article
000021720 3367_ $$2BibTeX$$aARTICLE
000021720 3367_ $$2ORCID$$aJOURNAL_ARTICLE
000021720 3367_ $$2DRIVER$$aarticle
000021720 440_0 $$014201$$aPhotosynthesis Research$$v113$$x0166-8595$$y1-3
000021720 500__ $$aWe thank Thomas Hombach, Andreas Averesch, and Siegfried Jahnke (Forschungszentrum Julich) for designing, constructing, and maintaining the sunfleck application system. Valuable comments on the manuscript as well as kind gift of seeds of Arabidopsis accessions by Maarten Koornneef (Max Planck Institute for Plant Breeding Research, Cologne) and the PsbS antiserum by Roberto Bassi (University of Verona, Verona) are much appreciated. P. A. and A. D. are grateful to Marcus Baumann (Aachen University of Applied Sciences, Aachen) for his support of the diploma theses. The work of F.-L. L. was supported by a PhD scholarship from the Deusche Akademische Austausch Dienst (DAAD).
000021720 520__ $$aAcclimation to fluctuating light environment with short (lasting 20 s, at 650 or 1,250 μmol photons m(-2) s(-1), every 6 or 12 min) or long (for 40 min at 650 μmol photons m(-2) s(-1), once a day at midday) sunflecks was studied in Arabidopsis thaliana. The sunfleck treatments were applied in the background daytime light intensity of 50 μmol photons m(-2) s(-1). In order to distinguish the effects of sunflecks from those of increased daily irradiance, constant light treatments at 85 and 120 μmol photons m(-2) s(-1), which gave the same photosynthetically active radiation (PAR) per day as the different sunfleck treatments, were also included in the experiments. The increased daily total PAR in the two higher constant light treatments enhanced photosystem II electron transport and starch accumulation in mature leaves and promoted expansion of young leaves in Columbia-0 plants during the 7-day treatments. Compared to the plants remaining under 50 μmol photons m(-2) s(-1), application of long sunflecks caused upregulation of electron transport without affecting carbon gain in the form of starch accumulation and leaf growth or the capacity of non-photochemical quenching (NPQ). Mature leaves showed marked enhancement of the NPQ capacity under the conditions with short sunflecks, which preceded recovery and upregulation of electron transport, demonstrating the initial priority of photoprotection. The distinct acclimatory responses to constant PAR, long sunflecks, and different combinations of short sunflecks are consistent with acclimatory adjustment of the processes in photoprotection and carbon gain, depending on the duration, frequency, and intensity of light fluctuations. While the responses of leaf expansion to short sunflecks differed among the seven Arabidopsis accessions examined, all plants showed NPQ upregulation, suggesting limited ability of this species to utilize short sunflecks. The increase in the NPQ capacity was accompanied by reduced chlorophyll contents, higher levels of the xanthophyll-cycle pigments, faster light-induced de-epoxidation of violaxanthin to zeaxanthin and antheraxanthin, increased amounts of PsbS protein, as well as enhanced activity of superoxide dismutase. These acclimatory mechanisms, involving reorganization of pigment-protein complexes and upregulation of other photoprotective reactions, are probably essential for Arabidopsis plants to cope with photo-oxidative stress induced by short sunflecks without suffering from severe photoinhibition and lipid peroxidation.
000021720 536__ $$0G:(DE-Juel1)FUEK407$$2G:(DE-HGF)$$aTerrestrische Umwelt$$cP24$$x0
000021720 588__ $$aDataset connected to Web of Science, Pubmed
000021720 650_7 $$2WoSType$$aJ
000021720 65320 $$2Author$$aAcclimation
000021720 65320 $$2Author$$aArabidopsis thaliana
000021720 65320 $$2Author$$aNon-photochemical quenching Photoprotection
000021720 65320 $$2Author$$aSunflecks
000021720 65320 $$2Author$$aXanthophyll cycle
000021720 7001_ $$0P:(DE-Juel1)VDB87535$$aDreissen, A.$$b1$$uFZJ
000021720 7001_ $$0P:(DE-Juel1)VDB65296$$aLuo, F.-L.$$b2$$uFZJ
000021720 7001_ $$0P:(DE-Juel1)129358$$aMatsubara, S.$$b3$$uFZJ
000021720 773__ $$0PERI:(DE-600)1475688-2$$a10.1007/s11120-012-9757-2$$gVol. 113, p. 221 - 237$$p221 - 237$$q113<221 - 237$$tPhotosynthesis research$$v113$$x0166-8595$$y2012
000021720 8567_ $$2Pubmed Central$$uhttp://www.ncbi.nlm.nih.gov/pmc/articles/PMC3430843
000021720 909CO $$ooai:juser.fz-juelich.de:21720$$pVDB
000021720 9131_ $$0G:(DE-Juel1)FUEK407$$1G:(DE-HGF)POF2-240$$2G:(DE-HGF)POF2-200$$bErde und Umwelt$$kP24$$lTerrestrische Umwelt$$vTerrestrische Umwelt$$x0
000021720 9132_ $$0G:(DE-HGF)POF3-582$$1G:(DE-HGF)POF3-580$$2G:(DE-HGF)POF3-500$$aDE-HGF$$bKey Technologies$$lKey Technologies for the Bioeconomy$$vPlant Science$$x0
000021720 9141_ $$y2012
000021720 915__ $$0StatID:(DE-HGF)0010$$2StatID$$aJCR/ISI refereed
000021720 915__ $$0StatID:(DE-HGF)0100$$2StatID$$aJCR
000021720 915__ $$0StatID:(DE-HGF)0110$$2StatID$$aWoS$$bScience Citation Index
000021720 915__ $$0StatID:(DE-HGF)0111$$2StatID$$aWoS$$bScience Citation Index Expanded
000021720 915__ $$0StatID:(DE-HGF)0150$$2StatID$$aDBCoverage$$bWeb of Science Core Collection
000021720 915__ $$0StatID:(DE-HGF)0199$$2StatID$$aDBCoverage$$bThomson Reuters Master Journal List
000021720 915__ $$0StatID:(DE-HGF)0200$$2StatID$$aDBCoverage$$bSCOPUS
000021720 915__ $$0StatID:(DE-HGF)0300$$2StatID$$aDBCoverage$$bMedline
000021720 915__ $$0StatID:(DE-HGF)0310$$2StatID$$aDBCoverage$$bNCBI Molecular Biology Database
000021720 915__ $$0StatID:(DE-HGF)0420$$2StatID$$aNationallizenz
000021720 915__ $$0StatID:(DE-HGF)1030$$2StatID$$aDBCoverage$$bCurrent Contents - Life Sciences
000021720 915__ $$0StatID:(DE-HGF)1050$$2StatID$$aDBCoverage$$bBIOSIS Previews
000021720 915__ $$0StatID:(DE-HGF)1060$$2StatID$$aDBCoverage$$bCurrent Contents - Agriculture, Biology and Environmental Sciences
000021720 9201_ $$0I:(DE-Juel1)IBG-2-20101118$$gIBG$$kIBG-2$$lPflanzenwissenschaften$$x0
000021720 970__ $$aVDB:(DE-Juel1)137792
000021720 980__ $$aVDB
000021720 980__ $$aConvertedRecord
000021720 980__ $$ajournal
000021720 980__ $$aI:(DE-Juel1)IBG-2-20101118
000021720 980__ $$aUNRESTRICTED