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241031s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.109229
|2 doi
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|a pubmed25n1264.xml
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|a (DE-627)NLM37958378X
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|a (NLM)39471756
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|a (PII)S0981-9428(24)00897-0
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|a DE-627
|b ger
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Pan, Zhiyuan
|e verfasserin
|4 aut
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| 245 |
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|a Foliar application of carbon dots enhances nitrogen uptake and assimilation through CEPD1-dependent signaling in plants
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|c 2024
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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 01.12.2024
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|a Date Revised 01.12.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier Masson SAS. All rights reserved.
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|a The use of nitrogen (N) fertilizers increases crop yield, but the accumulation of residual N in agricultural soils poses significant environmental risks. Improving the N use efficiency (NUE) of crops can help reduce N pollution. While nanomaterials have been shown to enhance crop agronomic traits, more research is needed to clarify the regulatory mechanisms involved. In this study, foliar spraying of carbon dots (CDs, 1 mg mL-1) derived from Salvia miltiorrhiza increased the activity of plasma membrane H+-ATPase in Arabidopsis thaliana roots, promoting the uptake, transport, and assimilation of NO3- and NH4+. The upregulation of N metabolism-related genes, such as AtAMTs and AtNRTs, was also observed in A. thaliana roots. Transcriptome analysis suggested that this regulatory effect is mediated by the shoot-to-root mobile polypeptide CEPD1 (C-terminally encoded peptide DOWNSTREAM 1) signaling pathway. Additionally, foliar application of CDs increased the NUE of sweetpotato (Ipomoea batatas (L.) Lam.) from 2.5% to 8.1%. The upregulation of genes such as CEPD1 in leaves was observed following CDs application under different N conditions. Finally, foliar spraying of CDs significantly increased field yield and enhanced tolerance to low N stress in sweetpotato. Overall, this study demonstrated that foliar application of CDs improved NUE in plants through CEPD1-dependent signaling
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|a Journal Article
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|a Arabidopsis thaliana
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|a CEPD1
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|a Carbon dots
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|a NO(3)(−) and NH(4)(+)
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|a NUE
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|a Plasma membrane H(+)-ATPase
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|a Sweetpotato
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|a Nitrogen
|2 NLM
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|a N762921K75
|2 NLM
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|a Carbon
|2 NLM
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|a 7440-44-0
|2 NLM
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|a Arabidopsis Proteins
|2 NLM
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| 700 |
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|a Zang, Huihui
|e verfasserin
|4 aut
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|a Li, Yanjuan
|e verfasserin
|4 aut
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|a Wang, Xiao
|e verfasserin
|4 aut
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|a Xia, Nan
|e verfasserin
|4 aut
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|a Liu, Chong
|e verfasserin
|4 aut
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1 |
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|a Li, Zongyun
|e verfasserin
|4 aut
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|a Han, Yonghua
|e verfasserin
|4 aut
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|a Tang, Zhonghou
|e verfasserin
|4 aut
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| 700 |
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|a Sun, Jian
|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 217(2024) vom: 05. Dez., Seite 109229
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnas
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| 773 |
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|g volume:217
|g year:2024
|g day:05
|g month:12
|g pages:109229
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|u http://dx.doi.org/10.1016/j.plaphy.2024.109229
|3 Volltext
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