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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1111/nph.12735
|2 doi
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|a pubmed25n0785.xml
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|a (DE-627)NLM235509779
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|a (NLM)24533947
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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 Sorin, Céline
|e verfasserin
|4 aut
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| 245 |
1 |
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|a A miR169 isoform regulates specific NF-YA targets and root architecture in Arabidopsis
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| 264 |
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|c 2014
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| 336 |
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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 15.01.2015
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|a Date Revised 18.03.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2014 The Authors. New Phytologist © 2014 New Phytologist Trust.
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|a In plants, roots are essential for water and nutrient acquisition. MicroRNAs (miRNAs) regulate their target mRNAs by transcript cleavage and/or inhibition of protein translation and are known as major post-transcriptional regulators of various developmental pathways and stress responses. In Arabidopsis thaliana, four isoforms of miR169 are encoded by 14 different genes and target diverse mRNAs, encoding subunits A of the NF-Y transcription factor complex. These miRNA isoforms and their targets have previously been linked to nutrient signalling in plants. By using mimicry constructs against different isoforms of miR169 and miR-resistant versions of NF-YA genes we analysed the role of specific miR169 isoforms in root growth and branching. We identified a regulatory node involving the particular miR169defg isoform and NF-YA2 and NF-YA10 genes that acts in the control of primary root growth. The specific expression of MIM169defg constructs altered specific cell type numbers and dimensions in the root meristem. Preventing miR169defg-regulation of NF-YA2 indirectly affected laterial root initiation. We also showed that the miR169defg isoform affects NF-YA2 transcripts both at mRNA stability and translation levels. We propose that a specific miR169 isoform and the NF-YA2 target control root architecture in Arabidopsis
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Arabidopsis
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|a Nuclear Factor Y subunit A (NF-YA)
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|a miR169 isoforms
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|a mimicry
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|a root branching
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|a Arabidopsis Proteins
|2 NLM
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| 650 |
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|a CCAAT-Binding Factor
|2 NLM
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| 650 |
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|a MIRN169 microRNA, Arabidopsis
|2 NLM
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| 650 |
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|a MicroRNAs
|2 NLM
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| 650 |
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|a NF-YA2 protein, Arabidopsis
|2 NLM
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| 650 |
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|a RNA Isoforms
|2 NLM
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| 650 |
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7 |
|a RNA, Plant
|2 NLM
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| 700 |
1 |
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|a Declerck, Marie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Christ, Aurélie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Blein, Thomas
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Linnan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lelandais-Brière, Christine
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Njo, Maria Fransiska
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Beeckman, Tom
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Crespi, Martin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hartmann, Caroline
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t The New phytologist
|d 1990
|g 202(2014), 4 vom: 17. Juni, Seite 1197-1211
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:202
|g year:2014
|g number:4
|g day:17
|g month:06
|g pages:1197-1211
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| 856 |
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|u http://dx.doi.org/10.1111/nph.12735
|3 Volltext
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|d 202
|j 2014
|e 4
|b 17
|c 06
|h 1197-1211
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