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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2023.108076
|2 doi
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|a pubmed24n1210.xml
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|a (DE-627)NLM363253297
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|a (NLM)37832366
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|a (PII)S0981-9428(23)00587-9
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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 |
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|a Liu, Xiaohan
|e verfasserin
|4 aut
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|a Temperature-responsive module of OfAP1 and OfLFY regulates floral transition and floral organ identity in Osmanthus fragrans
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|c 2023
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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 31.10.2023
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|a Date Revised 31.10.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2023 Elsevier Masson SAS. All rights reserved.
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|a The MADS-box transcription factor APETELA1 (AP1) is crucially important for reproductive developmental processes. The function of AP1 and the classic LFY-AP1 interaction in woody plants are not widely known. Here, the OfAP1-a gene from the continuously flowering plant Osmanthus fragrans 'Sijigui' was characterized, and its roles in regulating flowering time, petal number robustness and floral organ identity were determined using overexpression in Arabidopsis thaliana and Nicotiana tabacum. The expression of OfAP1-a was significantly induced by low ambient temperature and was upregulated with the floral transition process. Ectopic expression OfAP1-a revealed its classic function in flowering and flower ABC models. The expression of OfAP1-a is inhibited by LEAFY (OfLFY) through direct promoter binding, as confirmed by yeast one-hybrid and dual luciferase assays. Arabidopsis plants overexpressing OfAP1-a exhibited accelerated flowering and altered floral organ identities. Moreover, OfAP1-a-overexpressing plants displayed variable petal numbers. Likewise, the overexpression of OfLFY in Arabidopsis and Nicotiana altered petal number robustness and inflorescence architecture, partially by regulating native AP1 in transformed plants. Furthermore, we performed RNA-seq analysis of transgenic Nicotiana plants. DEGs were identified by transcriptome analysis, and we found that the expression of several floral homeotic genes was altered in both OfAP1-a and OfLFY-overexpressing transgenic lines. Our results suggest that OfAP1-a may play important roles during floral transition and development in response to ambient temperature. OfAP1-a functions as a petal number modulator and may directly activate a subset of flowers to regulate floral organ formation. OfAP1-a and OfLFY mutually regulate the expression of each other and coregulate genes that might be involved in these phenotypes related to flowering. The results provide valuable data for understanding the function of the LFY-AP1 module in the reproductive process and shaping floral structures in woody plants
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|a Journal Article
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|a Flowering regulation
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|a Mutual interaction
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|a OfAP1
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|a OfLFY
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|a Temperature pathway
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|a Transcriptome
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|a Transcription Factors
|2 NLM
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| 650 |
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|a Arabidopsis Proteins
|2 NLM
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| 650 |
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|a MADS Domain Proteins
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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| 700 |
1 |
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|a Wang, Qianqian
|e verfasserin
|4 aut
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| 700 |
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|a Jiang, Gege
|e verfasserin
|4 aut
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| 700 |
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|a Wan, Qianqian
|e verfasserin
|4 aut
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| 700 |
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|a Dong, Bin
|e verfasserin
|4 aut
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| 700 |
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|a Lu, Mei
|e verfasserin
|4 aut
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| 700 |
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|a Deng, Jinping
|e verfasserin
|4 aut
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| 700 |
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|a Zhong, Shiwei
|e verfasserin
|4 aut
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|a Wang, Yiguang
|e verfasserin
|4 aut
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| 700 |
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|a Khan, Irshad Ahmad
|e verfasserin
|4 aut
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| 700 |
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|a Xiao, Zheng
|e verfasserin
|4 aut
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| 700 |
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|a Fang, Qiu
|e verfasserin
|4 aut
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| 700 |
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|a Zhao, Hongbo
|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 203(2023) vom: 10. Okt., Seite 108076
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:203
|g year:2023
|g day:10
|g month:10
|g pages:108076
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|u http://dx.doi.org/10.1016/j.plaphy.2023.108076
|3 Volltext
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|d 203
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