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241120s2024 xx |||||o 00| ||eng c |
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|a 10.1111/nph.20274
|2 doi
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|a pubmed25n1267.xml
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|a (DE-627)NLM380489279
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|a (NLM)39562534
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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 Zhu, Ruiyan
|e verfasserin
|4 aut
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| 245 |
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|a Abscisic acid enhances SmAPK1-mediated phosphorylation of SmbZIP4 to positively regulate tanshinone biosynthesis in Salvia miltiorrhiza
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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
|b cr
|2 rdacarrier
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|a Date Revised 20.11.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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| 520 |
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|a © 2024 The Author(s). New Phytologist © 2024 New Phytologist Foundation.
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|a Tanshinones, isolated from Salvia miltiorrhiza, is efficient to treat cardiovascular and cerebrovascular diseases. Abscisic acid (ABA) treatment is found to promote tanshinone biosynthesis; however, the underlying mechanism has not been fully elucidated. A protein kinase namely SmAPK1 was identified as an important positive regulator of ABA-induced tanshinone accumulation in S. miltiorrhiza. Using SmAPK1 as bait, a basic region leucine zipper (bZIP) family transcription factor SmbZIP4 was screened from the cDNA library. Functional identification reveals that SmbZIP4 negatively regulates tanshinone biosynthesis in hairy roots and transgenic plants through directly targeting SmGGPPS and SmCYP76AK1. SmAPK1 phosphorylates the Ser97 and Thr99 site of SmbZIP4, leading to its degradation via the 26S proteasome pathway, which is promoted by ABA-induced enhancement of SmAPK1 kinase activity. Degradation of SmbZIP4 upregulates the expression levels of SmGGPPS and SmCYP76AK1, resulting in increased tanshinone content. Taken together, our results reveal new molecular mechanism by which SmAPK1-SmbZIP4 module plays a crucial role in ABA-induced tanshinone accumulation. This study sheds new insights in the biosynthesis of bioactive compounds in medicinal plants
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|a Journal Article
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|a Salvia miltiorrhiza
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|a bZIP transcription factor
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|a phosphorylation
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|a protein kinases
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| 650 |
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4 |
|a tanshinones
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1 |
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|a Peng, Lulu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Ying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Changle
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shao, Lili
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Tingyao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shou, Minyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Qinzhe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Biao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shi, Min
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kai, Guoyin
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g (2024) vom: 19. Nov.
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnas
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| 773 |
1 |
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|g year:2024
|g day:19
|g month:11
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|u http://dx.doi.org/10.1111/nph.20274
|3 Volltext
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|a AR
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|j 2024
|b 19
|c 11
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