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240210s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108424
|2 doi
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|a eng
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|a Li, Zhuo
|e verfasserin
|4 aut
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|a Gibberellic acid signaling promotes resistance to saline-alkaline stress by increasing the uptake of ammonium in rice
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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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|a ƒa Online-Ressource
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|a Date Completed 18.03.2024
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|a Date Revised 18.03.2024
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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 Gibberellic acid (GA) plays important roles in diverse biological processes in plants. However, its function in rice (Oryza sativa) resistance to saline-alkaline (SAK) stress is unclear. This study showed that SAK stimuli changed GA signaling gene expression levels. Genetic analyses using the mutants of key GA signaling regulators, Slender rice 1 (SLR1) and Dwarf 1(D1), demonstrated that SLR1 negatively, while D1 positively regulated the resistance of rice to SAK stress, suggesting that the GA signaling positively regulates the resistance of rice to SAK. Further analyses revealed that SLR1 interacted with and inhibited the transcription activation activity of IDD10 and bZIP23. Furthermore, IDD10 interacted with bZIP23 to activate Ammonium transporter 1;2 (AMT1;2), and slr1, IDD10 OX and bZIP23 OX accumulated more ammonium (NH4+), while idd10 and bzip23 accumulated less NH4+ than the wild-type (WT). In addition, the bzip23 mutant was more sensitive to SAK, while bZIP23 OX was less sensitive compared with the WT, suggesting that bZIP23 positively regulates the resistance of rice to SAK. These findings demonstrate that GA signaling promoted rice's SAK resistance by regulating NH4+ uptake through the SLR1-IDD10-bZIP23 pathway
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|a Journal Article
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|a Gibberellic acid
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|a Resistance
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|a Rice
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|a Saline-alkaline stress
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|a gibberellic acid
|2 NLM
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|a BU0A7MWB6L
|2 NLM
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|a Ammonium Compounds
|2 NLM
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Gibberellins
|2 NLM
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| 700 |
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|a Chen, Huan
|e verfasserin
|4 aut
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| 700 |
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|a Guan, Qingjie
|e verfasserin
|4 aut
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| 700 |
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|a Li, Lixin
|e verfasserin
|4 aut
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| 700 |
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|a Xuan, Yuan Hu
|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 207(2024) vom: 01. Feb., Seite 108424
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:207
|g year:2024
|g day:01
|g month:02
|g pages:108424
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108424
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