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240813s2024 xx |||||o 00| ||eng c |
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|a 10.1111/nph.20039
|2 doi
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|a pubmed24n1536.xml
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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 Ding, Wenyan
|e verfasserin
|4 aut
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| 245 |
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|a A jasmonate-mediated regulatory network modulates diurnal floret opening time 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 16.09.2024
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|a Date Revised 16.09.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2024 The Author(s). New Phytologist © 2024 New Phytologist Foundation.
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|a Diurnal floret opening time (DFOT) is a pivotal trait for successful fertilization and hybrid breeding in rice. However, the molecular mechanism underlying this trait is poorly understood in rice. In this study, we combined the cytological, genetic and molecular studies to demonstrate that jasmonic acid (JA) regulates DFOT in rice through modulating the turgor and osmotic pressure of the lodicules. We show that lodicules undergo dramatic morphologic changes, accompanied by changes in water and sugar contents during the process of floret opening. Consistently, a large set of genes associated with cell osmolality and cell wall remodeling exhibits distinct expression profiles at different time points in our time-course transcriptomes of lodicules. Notably, a group of JA biosynthesis and signaling genes is continuously upregulated, accompanied by a gradual increase in JA accumulation as floret opening approaching. Furthermore, we demonstrate that the JA biosynthesis gene OsAOS1 is required for endogenous JA biosynthesis in lodicules and promoting rice DFOT. Moreover, OsMYC2, a master regulator of JA signaling, regulates rice DFOT by directly activating OsAOS1, OsSWEET4, OsPIP2;2 and OsXTH9. Collectively, our findings establish a core regulatory network mediated by JA for modulating rice DFOT and provide effective gene targets for the genetic improvement of DFOT in rice
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|a Journal Article
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|a OsAOS1
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|a OsMYC2
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|a OsSWEET4
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|a diurnal floret opening time
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|a jasmonic acid
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|a rice
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|a Cyclopentanes
|2 NLM
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|a Oxylipins
|2 NLM
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|a jasmonic acid
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|a 6RI5N05OWW
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|a Plant Proteins
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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| 700 |
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|a Gou, Yajun
|e verfasserin
|4 aut
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|a Li, Yajing
|e verfasserin
|4 aut
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|a Li, Juanjuan
|e verfasserin
|4 aut
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|a Fang, Yudong
|e verfasserin
|4 aut
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|a Liu, Xupeng
|e verfasserin
|4 aut
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|a Zhu, Xinyu
|e verfasserin
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|a Ye, Rongjian
|e verfasserin
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|a Heng, Yueqin
|e verfasserin
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|a Wang, Haiyang
|e verfasserin
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|a Shen, Rongxin
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 244(2024), 1 vom: 10. Sept., Seite 176-191
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:244
|g year:2024
|g number:1
|g day:10
|g month:09
|g pages:176-191
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|u http://dx.doi.org/10.1111/nph.20039
|3 Volltext
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|h 176-191
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