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241015s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2024.112280
|2 doi
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|a pubmed24n1573.xml
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|e rakwb
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|a eng
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|a Tian, Weijiang
|e verfasserin
|4 aut
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|a OsMAPKKKε regulates apical spikelet development by adjusting Reactive Oxygen Species accumulates in Oryza sativa
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 19.10.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a Copyright © 2024 Elsevier B.V. All rights reserved.
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|a Rice panicle abortion can significantly impact rice yield and food security. Recent research has revealed that panicle abortion is influenced by environmental factors as well as regulated by specific genes. Here we report a novel panicle apical abortion 4 (paa4) mutant with semi-dwarf and panicle apical abortion phenotype, and its abortion occurs when the panicle length is approximately 7 cm. Map-based cloning has identified that PAA4 encodes a Mitogen-activated Protein Kinase Kinase Kinase ε (OsMAPKKKε) protein, and a substitution of G to A in exon 19 of OsMAPKKKε that leads to panicle apical abortion. PAA4 has a higher expression in the spikelet although which expressed in all organs of rice. During panicle growth, excessive Reactive Oxygen Species (ROS) accumulate in the apical panicle of paa4, eventually inducing programmed cell death (PCD). Transcriptome sequencing indicates that PAA4 plays a role in both the generation and elimination of ROS. Therefore, PAA4 might be involved in the balance of ROS at the apical panicle and then affects spikelet development in Oryza sativa
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|a Journal Article
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|a Mitogen-activated Protein Kinase Kinase Kinase ε (OsMAPKKKε)
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|a Reactive Oxygen Species (ROS)
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| 650 |
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|a Rice (Oryza sativa)
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|a Seed number per panicle
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| 650 |
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|a panicle apical abortion 4 (paa4)
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|a Peng, Ziwei
|e verfasserin
|4 aut
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|a Zhang, Xin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zheng, Yumeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yuanyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Feng, Beiqi
|e verfasserin
|4 aut
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| 700 |
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|a Li, Yangyang
|e verfasserin
|4 aut
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| 700 |
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|a He, Guanghua
|e verfasserin
|4 aut
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| 700 |
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|a Sang, Xianchun
|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 350(2024) vom: 12. Okt., Seite 112280
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|x 1873-2259
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|g volume:350
|g year:2024
|g day:12
|g month:10
|g pages:112280
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|u http://dx.doi.org/10.1016/j.plantsci.2024.112280
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