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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2018.06.024
|2 doi
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|a pubmed24n0952.xml
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|a (DE-627)NLM285883992
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|a (NLM)29945074
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|a (PII)S0981-9428(18)30275-4
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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 Lade, Sarah Boyd
|e verfasserin
|4 aut
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|a Host-specific proteomic and growth analysis of maize and tomato seedlings inoculated with Azospirillum brasilense Sp7
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 12.02.2019
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|a Date Revised 07.12.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2018 Elsevier Masson SAS. All rights reserved.
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|a Azospirillum brasilense Sp7 (Sp7) is a diazotrophic, free-living plant growth-promoting rhizobacterium (PGPR) that is increasingly used for its ability to reduce stress and improve nutrient uptake by plants. To test the hypothesis that Sp7 interacts differently with the primary metabolism in C3 and C4 plants, differential proteomics were employed to study weekly protein expression in Sp7-treated maize (Zea mays cv. B73) and tomato (Solanum lycopersicum cv. Boludo) seedlings. Plant and root growth parameters were also monitored. Protein changes were most striking at the four-leaf stage (T1) for both species. Proteins related to metabolism and redox homeostasis were most abundant in tomato at T1, but later, plants experienced inhibited Calvin-Benson (CB) cycle and chloroplast development, indicating that photosynthetic proteins were damaged by reactive oxygen species (ROS). In maize, Sp7 first increased ROS-scavenging enzymes and decreased those related to metabolism, which ultimately reduced photoinhibition at later sampling times. Overall, the early interaction with maize is more complex and beneficial because the photosynthetic aparatus is protected by the C4 mechanism, thereby improving the interaction of the PGPR with maize. Better seedling emergence and vigor were observed in inoculated maize compared to tomato. This study provides an integrated perspective on the Sp7 strain-specific interactions with young C3 and C4 plants to modulate primary metabolism and photosynthesis
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|a Journal Article
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|a Photosynthesis
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|a Plant-growth-promoting rhizobacteria (PGPR)
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|a Proteomics
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| 650 |
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|a ROS
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|a Sp7
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Reactive Oxygen Species
|2 NLM
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| 700 |
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|a Román, Carla
|e verfasserin
|4 aut
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|a Cueto-Ginzo, Ana Isabel
|e verfasserin
|4 aut
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| 700 |
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|a Serrano, Luis
|e verfasserin
|4 aut
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| 700 |
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|a Sin, Ester
|e verfasserin
|4 aut
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| 700 |
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|a Achón, Maria Angels
|e verfasserin
|4 aut
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|a Medina, Vicente
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 129(2018) vom: 05. Aug., Seite 381-393
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:129
|g year:2018
|g day:05
|g month:08
|g pages:381-393
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|u http://dx.doi.org/10.1016/j.plaphy.2018.06.024
|3 Volltext
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