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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2023.154103
|2 doi
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|a pubmed24n1209.xml
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|a (DE-627)NLM362823138
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|a (NLM)37788546
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|a (PII)S0176-1617(23)00197-9
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Okooboh, Gloria O
|e verfasserin
|4 aut
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|a Expression of the plastocyanin gene PETE2 in Camelina sativa improves seed yield and salt tolerance
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 06.11.2023
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|a Date Revised 06.11.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2023 Elsevier GmbH. All rights reserved.
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|a Plastocyanin functions as an electron carrier in the photosynthetic electron transport chain, located at the thylakoid membrane. In several species, endogenous plastocyanin levels are correlated with the photosynthetic electron transport rate. Overexpression of plastocyanin genes in Arabidopsis thaliana increases plant size, but this phenomenon has not been observed in crop species. Here, we investigated the effects of heterologous expression of a gene encoding a plastocyanin isoform from Arabidopsis, AtPETE2, in the oil seed crop Camelina sativa under standard growth conditions and under salt stress. AtPETE2 heterologous expression enhanced photosynthetic activity in Camelina, accelerating plant development and improving seed yield under standard growth conditions. Additionally, CsPETE2 from Camelina was induced by salt stress and AtPETE2 expression lines had larger primary roots and more lateral roots than the wild type. AtPETE2 expression lines also had larger seeds and higher total seed yield under long-term salt stress compared with non-transgenic Camelina. Our results demonstrate that increased plastocyanin levels in Camelina can enhance photosynthesis and productivity, as well as tolerance to osmotic and salt stresses. Heterologous expression of plastocyanin may be a useful strategy to mitigate crop stress in saline soils
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|a Journal Article
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|a Camelina sativa
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4 |
|a Photosynthetic activity
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|a Plastocyanin
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4 |
|a Salt stress
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| 650 |
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|a Seed yield
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| 650 |
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|a Tolerance
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|a Plastocyanin
|2 NLM
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| 650 |
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|a 9014-09-9
|2 NLM
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| 700 |
1 |
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|a Haferkamp, Ilka
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rühle, Thilo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Leister, Dario
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Neuhaus, H Ekkehard
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 290(2023) vom: 01. Nov., Seite 154103
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
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|g volume:290
|g year:2023
|g day:01
|g month:11
|g pages:154103
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|u http://dx.doi.org/10.1016/j.jplph.2023.154103
|3 Volltext
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