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DE-627 |
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20240731232821.0 |
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240625s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108870
|2 doi
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|a pubmed24n1487.xml
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|a (DE-627)NLM374019703
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|a (NLM)38914038
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|a (PII)S0981-9428(24)00538-2
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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, Yayu
|e verfasserin
|4 aut
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| 245 |
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|a MicroRNA257 promotes secondary growth in hybrid poplar
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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 05.07.2024
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|a Date Revised 31.07.2024
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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 Populus, a significant fast-growing tree species with global afforestation and energy potential, holds considerable economic value. The abundant production of secondary xylem by trees, which serves as a vital resource for industrial purposes and human sustenance, necessitates the orchestration of various regulatory mechanisms, encompassing transcriptional regulators and microRNAs (miRNAs). Nevertheless, the investigation of microRNA-mediated regulation of poplar secondary growth remains limited. In this study, we successfully isolated a novel microRNA (Pag-miR257) from 84 K poplar and subsequently integrated it into the 35 S overexpression vector. The overexpression of Pag-miR257 resulted in notable increases in plant height, stem diameter, and fresh weight. Additionally, the overexpression of Pag-miR257 demonstrated a significant enhancement in net photosynthetic rate. The findings from the examination of cell wall autofluorescence indicated a substantial increase in both xylem area and the number of vessels in poplar plants overexpressing Pag-miR257. Furthermore, the cell wall of the Pag-miR257 overexpressing plants exhibited thickening as observed through transmission electron microscopy. Moreover, the Fourier Transforms Infrared (FTIR) analysis and phloroglucinol-HCl staining revealed an elevation in lignin content in Pag-miR257 overexpressing poplar plants. The findings of this study suggest that microRNA257 may play a role in the control of secondary growth in poplar stems, thereby potentially enhancing the development of wood engineering techniques for improved material and energy production
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|a Journal Article
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|a Cell wall
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|a Lignin
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|a Secondary growth
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|a miR257
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|a MicroRNAs
|2 NLM
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|a Lignin
|2 NLM
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|a 9005-53-2
|2 NLM
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|a RNA, Plant
|2 NLM
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| 700 |
1 |
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|a He, Shuhang
|e verfasserin
|4 aut
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1 |
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|a Wang, Hou-Ling
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Hongxia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yuqian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Yuanyuan
|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 213(2024) vom: 15. Juli, Seite 108870
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:213
|g year:2024
|g day:15
|g month:07
|g pages:108870
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108870
|3 Volltext
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