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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1111/nph.18069
|2 doi
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|a pubmed25n1125.xml
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|a (DE-627)NLM33778065X
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|a (NLM)35246985
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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 Hou, Nan
|e verfasserin
|4 aut
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| 245 |
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|a MdMTA-mediated m6 A modification enhances drought tolerance by promoting mRNA stability and translation efficiency of genes involved in lignin deposition and oxidative stress
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|c 2022
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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 20.04.2022
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|a Date Revised 10.05.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022 The Authors. New Phytologist © 2022 New Phytologist Foundation.
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|a Although the N6 -methyladenosine (m6 A) modification is the most prevalent RNA modification in eukaryotes, the global m6 A modification landscape and its molecular regulatory mechanism in response to drought stress remain unclear. Transcriptome-wide m6 A methylome profiling revealed that m6 A is mainly enriched in the coding sequence and 3' untranslated region in response to drought stress in apple, by recognizing the plant-specific sequence motif UGUAH (H=A, U or C). We identified a catalytically active component of the m6 A methyltransferase complex, MdMTA. An in vitro methyl transfer assay, dot blot, LC-MS/MS and m6 A-sequencing (m6 A-seq) suggested that MdMTA is an m6 A writer and essential for m6 A mRNA modification. Further studies revealed that MdMTA is required for apple drought tolerance. m6 A-seq and RNA-seq analyses under drought conditions showed that MdMTA mediates m6 A modification and transcripts of mRNAs involved in oxidative stress and lignin deposition. Moreover, m6 A modification promotes mRNA stability and the translation efficiency of these genes in response to drought stress. Consistently, MdMTA enhances lignin deposition and scavenging of reactive oxygen species under drought conditions. Our results reveal the global involvement of m6 A modification in the drought response of perennial apple trees and illustrate its molecular mechanisms, thereby providing candidate genes for the breeding of stress-tolerant apple cultivars
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a apple
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|a drought tolerance
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|a lignin deposition
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|a m6A methylation
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|a methyltransferase
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| 650 |
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|a reactive oxygen species (ROS) scavenging
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| 650 |
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|a Lignin
|2 NLM
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| 650 |
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|a 9005-53-2
|2 NLM
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| 700 |
1 |
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|a Li, Chaoshuo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a He, Jieqiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Yu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Sisi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Malnoy, Mickael
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mobeen Tahir, Muhammad
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Lingfei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Fengwang
|e verfasserin
|4 aut
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| 700 |
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|a Guan, Qingmei
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 234(2022), 4 vom: 27. Mai, Seite 1294-1314
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnas
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| 773 |
1 |
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|g volume:234
|g year:2022
|g number:4
|g day:27
|g month:05
|g pages:1294-1314
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|u http://dx.doi.org/10.1111/nph.18069
|3 Volltext
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