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|a 10.1093/jxb/erad388
|2 doi
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|a pubmed24n1482.xml
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|a eng
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|a Duan, Ao
|e verfasserin
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|a Mutation of the gene encoding the PHD-type transcription factor SAB23 confers submergence tolerance in rice
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 25.12.2023
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|a Date Revised 26.07.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2023. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissionsoup.com.
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|a Submergence is a major constraint on rice production in South and Southeast Asia. In this study, we determined that a gene of the Sub1A-binding protein family, SAB23, encodes a plant homeodomain (PHD)-type transcription factor that has a novel function of negatively regulating submergence tolerance in rice. The T-DNA insertion mutant sab23 displayed reduced plant height, delayed seed maturation, and lower percentage seed set. Importantly, this mutant also exhibited enhanced submergence tolerance. In addition, CRISPR/Cas9 knock out of SAB23 resulted in a significant reduction in the content of the gibberellin GA4 and a dramatic increase in the content of GA1 in the plants. SAB23 binds to the promoter of CYTOCHROME P450 714B2 (CYP714B2), which encodes a GA13-oxidase that catalyses the conversion of GA53 to GA19. Disruption of SAB23 function led to increased CYP714B2 transcription, and overexpression of CYP714B2 produced phenotypes similar to those of the SAB23-knockout plants. Taken together, our results reveal that SAB23 negatively regulates rice submergence tolerance by modulating CYP714B2 expression, which has significant potential for use in future breeding
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a GA13ox
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|a GA4
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|a gibberellin
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|a plant homeodomain
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|a rice (Oryza sativa)
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|a submergence tolerance
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|a transcription factor
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|a Transcription Factors
|2 NLM
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|a Plant Proteins
|2 NLM
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|a Cytochrome P-450 Enzyme System
|2 NLM
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| 650 |
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|a 9035-51-2
|2 NLM
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| 700 |
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|a Liu, Rui
|e verfasserin
|4 aut
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|a Liu, Changchang
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|a Wu, Fei
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|a Su, Hang
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|a Zhou, Shuangzhen
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|a Huang, Min
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|a Tian, Xiaohai
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|a Jia, Haitao
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|a Liu, Ya
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|a Li, Manfei
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|a Du, Hewei
|e verfasserin
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 75(2024), 1 vom: 01. Jan., Seite 168-179
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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|g volume:75
|g year:2024
|g number:1
|g day:01
|g month:01
|g pages:168-179
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|u http://dx.doi.org/10.1093/jxb/erad388
|3 Volltext
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