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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erw038
|2 doi
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|a pubmed25n0858.xml
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|a (DE-627)NLM257634681
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|a (NLM)26893493
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Sello, Simone
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Dissecting stimulus-specific Ca2+ signals in amyloplasts and chloroplasts of Arabidopsis thaliana cell suspension cultures
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|c 2016
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 04.12.2017
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|a Date Revised 10.04.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © The Author 2016. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Calcium is used by plants as an intracellular messenger in the detection of and response to a plethora of environmental stimuli and contributes to a fine-tuned internal regulation. Interest in the role of different subcellular compartments in Ca(2+) homeostasis and signalling has been growing in recent years. This work has evaluated the potential participation of non-green plastids and chloroplasts in the plant Ca(2+) signalling network using heterotrophic and autotrophic cell suspension cultures from Arabidopsis thaliana plant lines stably expressing the bioluminescent Ca(2+) reporter aequorin targeted to the plastid stroma. Our results indicate that both amyloplasts and chloroplasts are involved in transient Ca(2+) increases in the plastid stroma induced by several environmental stimuli, suggesting that these two functional types of plastids are endowed with similar mechanisms for handling Ca(2+) A comparison of the Ca(2+) trace kinetics recorded in parallel in the plastid stroma, the surface of the outer membrane of the plastid envelope, and the cytosol indicated that plastids play an essential role in switching off different cytosolic Ca(2+) signals. Interestingly, a transient stromal Ca(2+) signal in response to the light-to-dark transition was observed in chloroplasts, but not amyloplasts. Moreover, significant differences in the amplitude of specific plastidial Ca(2+) changes emerged when the photosynthetic metabolism of chloroplasts was reactivated by light. In summary, our work highlights differences between non-green plastids and chloroplasts in terms of Ca(2+) dynamics in response to environmental stimuli
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Aequorin
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|a Arabidopsis
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|a amyloplasts
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| 650 |
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|a calcium signals
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| 650 |
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|a cell cultures
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| 650 |
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|a chloroplasts.
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| 650 |
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|a Calcium
|2 NLM
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| 650 |
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|a SY7Q814VUP
|2 NLM
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| 700 |
1 |
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|a Perotto, Jennifer
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Carraretto, Luca
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Szabò, Ildikò
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Vothknecht, Ute C
|e verfasserin
|4 aut
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| 700 |
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|a Navazio, Lorella
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 67(2016), 13 vom: 01. Juni, Seite 3965-74
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnas
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| 773 |
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|g volume:67
|g year:2016
|g number:13
|g day:01
|g month:06
|g pages:3965-74
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|u http://dx.doi.org/10.1093/jxb/erw038
|3 Volltext
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