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20241019232536.0 |
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241014s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2024.112283
|2 doi
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|a pubmed24n1572.xml
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|a (PII)S0168-9452(24)00310-8
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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 |
1 |
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|a Guo, Yu
|e verfasserin
|4 aut
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| 245 |
1 |
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|a PagNAC2a promotes phloem fiber development by regulating PagATL2 in poplar
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 18.10.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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| 520 |
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|a Copyright © 2024 Elsevier B.V. All rights reserved.
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|a Phloem fiber is a key component of phloem tissue and is involved in supporting its structural integrity. NAC domain transcription factors are master switches that regulate secondary cell wall (SCW) biosynthesis in xylem fibers, but the mechanism by which NACs regulate phloem fiber development remains unexplored. Here, a NAC2-like gene in poplar, PagNAC2a, was shown to be involved in phloem fiber differentiation. qRT-PCR and GUS staining revealed that PagNAC2a was specifically expressed in the phloem zone of poplar stems. The overexpression of PagNAC2a in poplar increased plant biomass by increasing plant height, stem diameter, and leaf area. Stem anatomy analysis revealed that overexpression of PagNAC2a resulted in enhanced phloem fiber differentiation and cell wall deposition. In addition, PagNAC2a directly upregulated the expression of PagATL2, a gene involved in phloem development, as revealed by yeast one hybrid (Y1H) and electrophoretic mobility shift assay (EMSA) assays. Overall, we proposed that the PagNAC2a was a positive regulator of phloem fiber development in poplar, and these results provided insights into the molecular mechanisms involved in the differentiation of phloem fibers
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|a Journal Article
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|a Cell wall deposition
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|a Differentiation
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|a PagNAC2a
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|a Phloem fiber
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1 |
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|a Shi, Yang-Xin
|e verfasserin
|4 aut
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| 700 |
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|a Song, Shuo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Yan-Qiu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lu, Meng-Zhu
|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 350(2024) vom: 11. Okt., Seite 112283
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnns
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| 773 |
1 |
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|g volume:350
|g year:2024
|g day:11
|g month:10
|g pages:112283
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|u http://dx.doi.org/10.1016/j.plantsci.2024.112283
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