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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2017.07.013
|2 doi
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|a pubmed24n0916.xml
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|a (DE-627)NLM27491493X
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|a (NLM)28818378
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|a (PII)S0168-9452(17)30063-8
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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 Nakano, Yoshimi
|e verfasserin
|4 aut
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| 245 |
1 |
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|a NSR1/MYR2 is a negative regulator of ASN1 expression and its possible involvement in regulation of nitrogen reutilization in Arabidopsis
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|c 2017
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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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| 500 |
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|a Date Completed 09.01.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2017 Elsevier B.V. All rights reserved.
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|a Nitrogen (N) is a major macronutrient that is essential for plant growth. It is important for us to understand the key genes that are involved in the regulation of N utilization. In this study, we focused on a GARP-type transcription factor known as NSR1/MYR2, which has been reported to be induced under N-deficient conditions. Our results demonstrated that NSR1/MYR2 has a transcriptional repression activity and is specifically expressed in vascular tissues, especially in phloem throughout the plant under daily light-dark cycle regulation. The overexpression of NSR1/MYR2 delays nutrient starvation- and dark-triggered senescence in the mature leaves of excised whole aerial parts of Arabidopsis plants. Furthermore, the expression of asparagine synthetase 1 (ASN1), which plays an important role in N remobilization and reallocation, i.e. N reutilization, in Arabidopsis, is negatively regulated by NSR1/MYR2, since the expressions of NSR1/MYR2 and ASN1 were reciprocally regulated during the light-dark cycle and ASN1 expression was down-regulated in overexpressors of NSR1/MYR2 and up-regulated in T-DNA insertion mutants of NSR1/MYR2. Therefore, the present results suggest that NSR1/MYR2 plays a role in N reutilization as a negative regulator through controlling ASN1 expression
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|a Journal Article
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|a Asparagine synthetase
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|a GARP-type transcription factor
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|a Nitrogen
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|a Reallocation
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|a Remobilization
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|a Arabidopsis Proteins
|2 NLM
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|a Nsr1 protein, Arabidopsis
|2 NLM
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| 650 |
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|a Transcription Factors
|2 NLM
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| 650 |
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|a Aspartate-Ammonia Ligase
|2 NLM
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| 650 |
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|a EC 6.3.1.1
|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 Naito, Yuki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nakano, Toshitsugu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ohtsuki, Namie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Suzuki, Kaoru
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 263(2017) vom: 01. Okt., Seite 219-225
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnns
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| 773 |
1 |
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|g volume:263
|g year:2017
|g day:01
|g month:10
|g pages:219-225
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| 856 |
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|u http://dx.doi.org/10.1016/j.plantsci.2017.07.013
|3 Volltext
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|d 263
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|b 01
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|h 219-225
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