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001     22170
005     20200423203244.0
024 7 _ |2 pmid
|a pmid:22205699
024 7 _ |2 pmc
|a pmc:PMC3285353
024 7 _ |2 DOI
|a 10.1074/jbc.M111.304279
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037 _ _ |a PreJuSER-22170
041 _ _ |a eng
082 _ _ |a 570
084 _ _ |2 WoS
|a Biochemistry & Molecular Biology
100 1 _ |a Bonente, G.
|b 0
|0 P:(DE-HGF)0
245 _ _ |a Acclimation of Chlamydomonas reinhardtii to different growth irradiances
260 _ _ |a Bethesda, Md.
|b Soc.
|c 2012
300 _ _ |a 5833 - 5847
336 7 _ |a Journal Article
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440 _ 0 |a Journal of Biological Chemistry
|x 0021-9258
|0 3091
|y 8
|v 287
500 _ _ |a This work was supported by European Union Project 245070 FP7-KBBE-2009-3 SUNBIOPATH.
520 _ _ |a We report on the changes the photosynthetic apparatus of Chlamydomonas reinhardtii undergoes upon acclimation to different light intensity. When grown in high light, cells had a faster growth rate and higher biomass production compared with low and control light conditions. However, cells acclimated to low light intensity are indeed able to produce more biomass per photon available as compared with high light-acclimated cells, which dissipate as heat a large part of light absorbed, thus reducing their photosynthetic efficiency. This dissipative state is strictly dependent on the accumulation of LhcSR3, a protein related to light-harvesting complexes, responsible for nonphotochemical quenching in microalgae. Other changes induced in the composition of the photosynthetic apparatus upon high light acclimation consist of an increase of carotenoid content on a chlorophyll basis, particularly zeaxanthin, and a major down-regulation of light absorption capacity by decreasing the chlorophyll content per cell. Surprisingly, the antenna size of both photosystem I and II is not modulated by acclimation; rather, the regulation affects the PSI/PSII ratio. Major effects of the acclimation to low light consist of increased activity of state 1 and 2 transitions and increased contributions of cyclic electron flow.
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536 _ _ |a SUNBIOPATH - Towards a better sunlight to biomass conversion efficiency in microalgae (245070)
|0 G:(EU-Grant)245070
|c 245070
|x 1
|f FP7-KBBE-2009-3
588 _ _ |a Dataset connected to Web of Science, Pubmed
650 _ 2 |2 MeSH
|a Adaptation, Physiological: radiation effects
650 _ 2 |2 MeSH
|a Chlamydomonas reinhardtii: growth & development
650 _ 2 |2 MeSH
|a Chlamydomonas reinhardtii: metabolism
650 _ 2 |2 MeSH
|a Chlamydomonas reinhardtii: physiology
650 _ 2 |2 MeSH
|a Chlamydomonas reinhardtii: radiation effects
650 _ 2 |2 MeSH
|a Darkness
650 _ 2 |2 MeSH
|a Dose-Response Relationship, Radiation
650 _ 2 |2 MeSH
|a Electron Transport: radiation effects
650 _ 2 |2 MeSH
|a Light
650 _ 2 |2 MeSH
|a Light-Harvesting Protein Complexes: metabolism
650 _ 2 |2 MeSH
|a Photosynthesis: radiation effects
650 _ 2 |2 MeSH
|a Photosystem I Protein Complex: metabolism
650 _ 2 |2 MeSH
|a Photosystem II Protein Complex: metabolism
650 _ 2 |2 MeSH
|a Pigments, Biological: metabolism
650 _ 7 |0 0
|2 NLM Chemicals
|a Light-Harvesting Protein Complexes
650 _ 7 |0 0
|2 NLM Chemicals
|a Photosystem I Protein Complex
650 _ 7 |0 0
|2 NLM Chemicals
|a Photosystem II Protein Complex
650 _ 7 |0 0
|2 NLM Chemicals
|a Pigments, Biological
650 _ 7 |a J
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700 1 _ |a Pippa, S.
|b 1
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700 1 _ |a Castellano, S.
|b 2
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700 1 _ |a Bassi, R.
|b 3
|u FZJ
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700 1 _ |a Ballottari, M.
|b 4
|0 P:(DE-HGF)0
773 _ _ |a 10.1074/jbc.M111.304279
|g Vol. 287, p. 5833 - 5847
|p 5833 - 5847
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|0 PERI:(DE-600)1474604-9
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856 7 _ |2 Pubmed Central
|u http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3285353
856 4 _ |u https://juser.fz-juelich.de/record/22170/files/FZJ-22170.pdf
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