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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2023.111596
|2 doi
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|a pubmed25n1172.xml
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|a (DE-627)NLM351684239
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|a (NLM)36657664
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|a (PII)S0168-9452(23)00013-4
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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 Sun, Zhihao
|e verfasserin
|4 aut
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| 245 |
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|a OsLDDT1, encoding a transmembrane structural DUF726 family protein, is essential for tapetum degradation and pollen formation in rice
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|c 2023
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| 336 |
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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 24.02.2023
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|a Date Revised 24.02.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2023 Elsevier B.V. All rights reserved.
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|a Formation of the pollen wall, which is mainly composed of lipid substances secreted by tapetal cells, is important to ensure pollen development in rice. Although several regulatory factors related to lipid biosynthesis during pollen wall formation have been identified in rice, the molecular mechanisms controlling lipid biosynthesis are unclear. In this study, we isolated the male-sterile rice mutant oslddt1 (leaked and delayed degraded tapetum 1). oslddt1 plants show complete pollen abortion resulting from delayed degradation of the tapetum and blocked formation of Ubisch bodies and pollen walls. OsLDDT1 (LOC_Os03g02170) encodes a DUF726 containing protein of unknown function with highly conserved transmembrane and α/β Hydrolase domains. OsLDDT1 localizes to the endoplasmic reticulum and the gene is highly expressed in rice panicles. Genes involved in regulating fatty acid synthesis and formation of sporopollenin and pollen exine during anther development showed significantly different expression patterns in oslddt1 plants. Interestingly, the wax and cutin contents in mature oslddt1-1 anthers were decreased by 74.07 % and 72.22 % compared to WT, indicating that OsLDDT1 is involved in fatty acid synthesis and affects formation of the anther epidermis. Our results provide as deeper understanding of the role of OsLDDT1 in regulating male sterility and also provide materials for hybrid rice breeding
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|a Journal Article
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|a Fatty acid synthesis
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|a Male sterility
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|a OsLDDT1
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|a Rice
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|a Transmembrane structural protein
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|a Plant Proteins
|2 NLM
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|a Membrane Proteins
|2 NLM
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| 650 |
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|a Fatty Acids
|2 NLM
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| 700 |
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|a Liu, Keke
|e verfasserin
|4 aut
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|a Chen, Chi
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Daibo
|e verfasserin
|4 aut
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| 700 |
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|a Peng, Zequn
|e verfasserin
|4 aut
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|a Zhou, Ran
|e verfasserin
|4 aut
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|a Liu, Ling
|e verfasserin
|4 aut
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|a He, Dengmei
|e verfasserin
|4 aut
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|a Duan, Wenjing
|e verfasserin
|4 aut
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|a Chen, Hongmei
|e verfasserin
|4 aut
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|a Huang, Chenbo
|e verfasserin
|4 aut
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|a Ruan, Zheyan
|e verfasserin
|4 aut
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|a Zhang, Yingxin
|e verfasserin
|4 aut
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|a Cao, Liyong
|e verfasserin
|4 aut
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|a Zhan, Xiaodeng
|e verfasserin
|4 aut
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|a Cheng, Shihua
|e verfasserin
|4 aut
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|a Sun, Lianping
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 329(2023) vom: 01. Apr., Seite 111596
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnas
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| 773 |
1 |
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|g volume:329
|g year:2023
|g day:01
|g month:04
|g pages:111596
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|u http://dx.doi.org/10.1016/j.plantsci.2023.111596
|3 Volltext
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|d 329
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|h 111596
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