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240330s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2024.112074
|2 doi
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|a pubmed25n1233.xml
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|a (DE-627)NLM37037665X
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|a (NLM)38548138
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|a (PII)S0168-9452(24)00101-8
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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 Du, Jiujun
|e verfasserin
|4 aut
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|a PdRabG3f interfered with gibberellin-mediated internode elongation and xylem developing in 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 22.04.2024
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|a Date Revised 22.04.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier B.V. All rights reserved.
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|a As a member of the small GTPases family, Rab GTPases play a key role in specifying transport pathways in the intracellular membrane trafficking system and are involved in plant growth and development. By quantitative trait locus (QTL) mapping, PdRabG3f was identified as a candidate gene associated with shoot height in a hybrid offspring of Populus deltoides 'Danhong' × Populus simonii 'Tongliao1'. PdRabG3f localized to the nucleus, endoplasmic reticulum and tonoplast and was primarily expressed in the xylem and cambium. Overexpression of PdRabG3f in Populus alba × Populus glandulosa (84 K poplar) had inhibitory effects on vertical and radical growth. In the transgenic lines, there were evident changes in the levels of 15 gibberellin (GA) derivatives, and the application of exogenous GA3 partially restored the phenotypes mediated by GAs deficiency. The interaction between PdRabG3f and RIC4, which was the GA-responsive factor, provided additional explanation for PdRabG3f's inhibitory effect on poplar growth. RNA-seq analysis revealed differentially expressed genes (DEGs) associated with cell wall, xylem, and gibberellin response. PdRabG3f interfering endogenous GAs levels in poplar might involve the participation of MYBs and ultimately affected internode elongation and xylem development. This study provides a potential mechanism for gibberellin-mediated regulation of plant growth through Rab GTPases
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|a Journal Article
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|a Cell wall
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|a Gibberellin
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|a Internode elongation
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|a Populus
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|a QTL
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|a Xylem
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|a Gibberellins
|2 NLM
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|a rab GTP-Binding Proteins
|2 NLM
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| 650 |
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|a EC 3.6.5.2
|2 NLM
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| 700 |
1 |
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|a Wei, Hantian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Song, Xueqin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Lei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hu, Jianjun
|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 343(2024) vom: 01. Juni, Seite 112074
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnas
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| 773 |
1 |
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|g volume:343
|g year:2024
|g day:01
|g month:06
|g pages:112074
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|u http://dx.doi.org/10.1016/j.plantsci.2024.112074
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