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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/nph.18734
|2 doi
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|a pubmed24n1177.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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| 100 |
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|a Vigneaud, Julien
|e verfasserin
|4 aut
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| 245 |
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|a DNA hypomethylation of the host tree impairs interaction with mutualistic ectomycorrhizal fungus
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| 264 |
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 19.05.2023
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|a Date Revised 21.05.2023
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|a published: Print-Electronic
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|a CommentIn: New Phytol. 2023 Jun;238(6):2259-2260. - PMID 37097195
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|a Citation Status MEDLINE
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|a © 2023 The Authors New Phytologist © 2023 New Phytologist Foundation This article has been contributed to by U.S. Government employees and their work is in the public domain in the USA.
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|a Ectomycorrhizas are an intrinsic component of tree nutrition and responses to environmental variations. How epigenetic mechanisms might regulate these mutualistic interactions is unknown. By manipulating the level of expression of the chromatin remodeler DECREASE IN DNA METHYLATION 1 (DDM1) and two demethylases DEMETER-LIKE (DML) in Populus tremula × Populus alba lines, we examined how host DNA methylation modulates multiple parameters of the responses to root colonization with the mutualistic fungus Laccaria bicolor. We compared the ectomycorrhizas formed between transgenic and wild-type (WT) trees and analyzed their methylomes and transcriptomes. The poplar lines displaying lower mycorrhiza formation rate corresponded to hypomethylated overexpressing DML or RNAi-ddm1 lines. We found 86 genes and 288 transposable elements (TEs) differentially methylated between WT and hypomethylated lines (common to both OX-dml and RNAi-ddm1) and 120 genes/1441 TEs in the fungal genome suggesting a host-induced remodeling of the fungal methylome. Hypomethylated poplar lines displayed 205 differentially expressed genes (cis and trans effects) in common with 17 being differentially methylated (cis). Our findings suggest a central role of host and fungal DNA methylation in the ability to form ectomycorrhizas including not only poplar genes involved in root initiation, ethylene and jasmonate-mediated pathways, and immune response but also terpenoid metabolism
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Research Support, Non-U.S. Gov't
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| 650 |
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|a DEMETER
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|a DNA METHYLATION 1
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|a DNA demethylatione
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|a Laccaria bicolor
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|a mycorrhizas
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| 650 |
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4 |
|a pigenetic
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| 650 |
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4 |
|a poplar
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| 650 |
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|a DNA
|2 NLM
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| 650 |
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|a 9007-49-2
|2 NLM
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| 700 |
1 |
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|a Kohler, Annegret
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sow, Mamadou Dia
|e verfasserin
|4 aut
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| 700 |
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|a Delaunay, Alain
|e verfasserin
|4 aut
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|a Fauchery, Laure
|e verfasserin
|4 aut
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|a Guinet, Frederic
|e verfasserin
|4 aut
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|a Daviaud, Christian
|e verfasserin
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|a Barry, Kerrie W
|e verfasserin
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|a Keymanesh, Keykhosrow
|e verfasserin
|4 aut
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|a Johnson, Jenifer
|e verfasserin
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|a Singan, Vasanth
|e verfasserin
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|a Grigoriev, Igor
|e verfasserin
|4 aut
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|a Fichot, Régis
|e verfasserin
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|a Conde, Daniel
|e verfasserin
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|a Perales, Mariano
|e verfasserin
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|a Tost, Jörg
|e verfasserin
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|a Martin, Francis M
|e verfasserin
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|a Allona, Isabel
|e verfasserin
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|a Strauss, Steven H
|e verfasserin
|4 aut
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|a Veneault-Fourrey, Claire
|e verfasserin
|4 aut
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|a Maury, Stéphane
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 238(2023), 6 vom: 06. Juni, Seite 2561-2577
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|x 1469-8137
|7 nnns
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|g volume:238
|g year:2023
|g number:6
|g day:06
|g month:06
|g pages:2561-2577
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|u http://dx.doi.org/10.1111/nph.18734
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