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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2022.111456
|2 doi
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|a pubmed24n1153.xml
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|a (DE-627)NLM346048745
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|a (NLM)36087886
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|a (PII)S0168-9452(22)00281-3
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Qi, Haoran
|e verfasserin
|4 aut
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|a The cytokinin type-B response regulator PeRR12 is a negative regulator of adventitious rooting and salt tolerance in poplar
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|c 2022
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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 01.11.2022
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|a Date Revised 01.11.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2022 Elsevier B.V. All rights reserved.
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|a Adventitious root (AR) development is an ecologically and economically important biological process that maintains ecological balance, improves plant survivability, and allows for massive vegetative propagation, but its genetic mechanisms are not well understood. Here, eight Arabidopsis response regulator (ARR) genes were cloned and identified in poplar, most of which were detected in the AR, phloem, and xylem and showed remarkable induction at different time points during AR development. Subcellular localization indicated that most of these PeRR genes are in the nucleus. Based on qRT-PCR expression analysis of some genes related to AR development, we inferred that overexpression of PeRR12 (OE_PeRR12) may inhibited AR formation by suppressing the transcription of PeWOX11, PeWOX5, PePIN1 and PePIN3 in poplar while promoting type-A RR transcripts. Correspondingly, exogenous auxin partially restored the rooting of OE_PeRR12 poplar by inhibiting PeRR12 expression. Moreover, the activities of the antioxidant systems of OE_PeRR12 poplars were lower than those of wild-type poplars under salt stress conditions, indicating that PeRR12 may acts as a repressor that mediates salt tolerance by suppressing the expression of PeHKT1;1. Altogether, these results suggest that PeRR12 plays essential roles in mediating AR formation and salinity tolerance in poplar
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|a Journal Article
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|a Adventitious root
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|a Cytokinin type-B response regulator
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|a Salt tolerance
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|a Transgenic poplar
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|a Cytokinins
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Indoleacetic Acids
|2 NLM
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| 700 |
1 |
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|a Cai, Heng
|e verfasserin
|4 aut
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|a Liu, Xin
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Sian
|e verfasserin
|4 aut
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| 700 |
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|a Ding, Changjun
|e verfasserin
|4 aut
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| 700 |
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|a Xu, Meng
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 325(2022) vom: 15. Dez., Seite 111456
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnns
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| 773 |
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|g volume:325
|g year:2022
|g day:15
|g month:12
|g pages:111456
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|u http://dx.doi.org/10.1016/j.plantsci.2022.111456
|3 Volltext
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