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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2022.03.017
|2 doi
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|a pubmed24n1129.xml
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|a (DE-627)NLM338749195
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|a (NLM)35344758
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|a (PII)S0981-9428(22)00131-0
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a A, Sinto
|e verfasserin
|4 aut
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1 |
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|a Interactive effect of elevated CO2 and nitrogen dose reprograms grain ionome and associated gene expression in bread wheat
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|c 2022
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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
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|2 rdacarrier
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|a Date Completed 05.04.2022
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|a Date Revised 05.04.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2022 Elsevier Masson SAS. All rights reserved.
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|a Wheat crop grown under elevated CO2 (EC) often have a lowered grain nitrogen (N) and protein concentration along with an altered grain ionome. The mechanistic understanding on the impact of CO2 x N interactions on the grain ionome and the expression of genes regulating grain ionome is scarce in wheat. In the present study, the interactive effect of EC and N dosage on grain yield, grain protein, grain ionome, tissue nitrate, and the expression of genes contributing to grain ionome (TaNAM-B1 and TaYSL6) are described. Three bread wheat genotypes were evaluated under two CO2 levels (Ambient CO2 (AC) of 400 ± 10 ppm and elevated CO2 (EC) of 700 ± 10 ppm) and two N levels (Low (LN) and Optimum N (ON). In EC, wheat genotypes HD2967 and HI 1500 recorded a significant decrease in grain nitrate content, while leaf and stem nitrate showed a significant increase. BT. Schomburgk (BTS), showed a significant increase in unassimilated nitrate and a decline in grain N and grain protein under EC. There was a general decline of grain ionome (N, P, K, Ca, Fe) in EC, except for grain Na content. The expression of genes TaNAM-B1 and TaYSL6 associated with protein and micronutrient remobilization to grains during senescence were affected by both EC and N treatments. For instance, in flag leaves of BTS, the expression of TaNAM-B1 and TaYSL6 were lower in EC-LN compared to AC-LN. In maturing spikes, transcript abundance of TaNAM-B1 and TaYSL6 were lower in EC in BTS. The altered transcript abundance of TaYSL6 and TaNAM-B1 in source and sink supports the change in grain ionome and suggests an N dependent transcriptional reprogramming in EC
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|a Journal Article
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|a Elevated CO(2)
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|a Grain ionome
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|a Grain protein
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|a Nitrogen
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|a Wheat
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| 650 |
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|a Carbon Dioxide
|2 NLM
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| 650 |
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7 |
|a 142M471B3J
|2 NLM
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| 650 |
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|a Nitrogen
|2 NLM
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| 650 |
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|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Sathee, Lekshmy
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Singh, Dalveer
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jha, Shailendra K
|e verfasserin
|4 aut
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1 |
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|a Chinnusamy, Viswanathan
|e verfasserin
|4 aut
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| 700 |
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|a Singh, Madan Pal
|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 179(2022) vom: 15. Mai, Seite 134-143
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:179
|g year:2022
|g day:15
|g month:05
|g pages:134-143
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|u http://dx.doi.org/10.1016/j.plaphy.2022.03.017
|3 Volltext
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