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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/eraa100
|2 doi
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|a pubmed24n1354.xml
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|a (DE-627)NLM306883848
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|a (NLM)32095811
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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 |
1 |
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|a Tang, Jun
|e verfasserin
|4 aut
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| 245 |
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|a The Arabidopsis TRM61/TRM6 complex is a bona fide tRNA N1-methyladenosine methyltransferase
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|c 2020
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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 14.05.2021
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|a Date Revised 29.03.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2020. 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 tRNA molecules, which contain the most abundant post-transcriptional modifications, are crucial for proper gene expression and protein biosynthesis. Methylation at N1 of adenosine 58 (A58) is critical for maintaining the stability of initiator methionyl-tRNA (tRNAiMet) in bacterial, archaeal, and eukaryotic tRNAs. However, although research has been conducted in yeast and mammals, it remains unclear how A58 in plant tRNAs is modified and involved in development. In this study, we identify the nucleus-localized complex AtTRM61/AtTRM6 in Arabidopsis as tRNA m1A58 methyltransferase. Deficiency or a lack of either AtTRM61 or AtTRM6 leads to embryo arrest and seed abortion. The tRNA m1A level decreases in conditionally complemented Attrm61/LEC1pro::AtTRM61 plants and this is accompanied by reduced levels of tRNAiMet, indicating the importance of the tRNA m1A modification for tRNAiMet stability. Taken together, our results demonstrate that tRNA m1A58 modification is necessary for tRNAiMet stability and is required for embryo development in Arabidopsis
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Arabidopsis
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|a AtTRM6
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|a AtTRM61
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|a N1-methyladenosine
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|a embryo
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|a tRNA
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|a RNA, Transfer, Met
|2 NLM
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|a RNA, Transfer
|2 NLM
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| 650 |
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|a 9014-25-9
|2 NLM
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|a tRNA Methyltransferases
|2 NLM
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| 650 |
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|a EC 2.1.1.-
|2 NLM
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| 700 |
1 |
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|a Jia, Pengfei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xin, Peiyong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chu, Jinfang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shi, Dong-Qiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Wei-Cai
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 71(2020), 10 vom: 30. Mai, Seite 3024-3036
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:71
|g year:2020
|g number:10
|g day:30
|g month:05
|g pages:3024-3036
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/eraa100
|3 Volltext
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|d 71
|j 2020
|e 10
|b 30
|c 05
|h 3024-3036
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