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240220s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108423
|2 doi
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|a pubmed24n1334.xml
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|a (DE-627)NLM368634272
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|a (NLM)38373370
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|a (PII)S0981-9428(24)00091-3
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Zhang, Gang
|e verfasserin
|4 aut
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|a Basic helix-loop-helix transcription factor OsbHLH110 positively regulates abscisic acid biosynthesis and salinity tolerance in rice
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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 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 Salinity is a significant abiotic stress factor affecting plant growth, consequently reducing crop yield. Abscisic acid (ABA), a well-known phytohormone, is crucial in conferring resistance to abiotic stress, thus, understanding the mechanisms underlying ABA biosynthesis is crucial. In rice (Oryza sativa L.), OsABA2, a short-chain dehydrogenase protein, has a pivotal role in modulating ABA biosynthesis and salt tolerance by undergoing phosphorylation at Ser197 through mitogen-activated protein kinase OsMPK1. However, the interaction between OsABA2 and other proteins in regulating ABA biosynthesis remains unclear. We employed OsABA2 as a bait in yeast two-hybrid screening: a basic helix-loop-helix transcription factor interacting with OsABA2, named OsbHLH110, was identified. Our results showed that firefly luciferase complementary imaging, pull-down, and co-immunoprecipitation assays validated the interaction between OsbHLH110 and OsABA2, affirming their interaction in vivo and in vitro. Moreover, the expression of OsbHLH110 significantly increases in response to salt and ABA treatments. Additionally, OsbHLH110 can directly bind to the G-box element in the OsABA2 promoter. This binding enhances luciferase activity controlled by the OsABA2 promoter, thereby increasing the expression of the OsABA2 gene and content of the OsABA2 protein, resulting in an increase in ABA content. OsABA2 enhanced the interaction between OsbHLH110 and OsABA2 promoter. This collaborative effect enhanced the regulation of ABA biosynthesis. Subsequent genetic analysis demonstrated that OsbHLH110 improved the tolerance of rice to salt stress
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|a Journal Article
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|a Abscisic acid
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|a Abscisic acid biosynthesis
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|a OsABA2
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|a OsbHLH110
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|a Salt stress
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|a Abscisic Acid
|2 NLM
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|a 72S9A8J5GW
|2 NLM
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| 650 |
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|a Basic Helix-Loop-Helix Transcription Factors
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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| 700 |
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|a Ren, Ning
|e verfasserin
|4 aut
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| 700 |
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|a Huang, Liping
|e verfasserin
|4 aut
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| 700 |
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|a Shen, Tao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Yao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Yi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Xingxiu
|e verfasserin
|4 aut
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| 700 |
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|a Jiang, Mingyi
|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 108423
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:207
|g year:2024
|g day:01
|g month:02
|g pages:108423
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108423
|3 Volltext
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