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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/nph.19227
|2 doi
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|a pubmed24n1203.xml
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Kenchanmane Raju, Sunil K
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Epigenomic divergence correlates with sequence polymorphism in Arabidopsis paralogs
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| 264 |
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1 |
|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
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|2 rdacarrier
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|a Date Revised 05.10.2023
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|a published: Print-Electronic
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|a Citation Status Publisher
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| 520 |
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|a © 2023 The Authors. New Phytologist © 2023 New Phytologist Foundation.
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|a Processes affecting rates of sequence polymorphism are fundamental to the evolution of gene duplicates. The relationship between gene activity and sequence polymorphism can influence the likelihood that functionally redundant gene copies are co-maintained in stable evolutionary equilibria vs other outcomes such as neofunctionalization. Here, we investigate genic variation in epigenome-associated polymorphism rates in Arabidopsis thaliana and consider whether these affect the evolution of gene duplicates. We compared the frequency of sequence polymorphism and patterns of genetic differentiation between genes classified by exon methylation patterns: unmethylated (unM), gene-body methylated (gbM), and transposon-like methylated (teM) states, which reflect divergence in gene expression. We found that the frequency of polymorphism was higher in teM (transcriptionally repressed, tissue-specific) genes and lower in gbM (active, constitutively expressed) genes. Comparisons of gene duplicates were largely consistent with genome-wide patterns - gene copies that exhibit teM accumulate more variation, evolve faster, and are in chromatin states associated with reduced DNA repair. This relationship between expression, the epigenome, and polymorphism may lead to the breakdown of equilibrium states that would otherwise maintain genetic redundancies. Epigenome-mediated polymorphism rate variation may facilitate the evolution of novel gene functions in duplicate paralogs maintained over evolutionary time
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a Arabidopsis thaliana
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| 650 |
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4 |
|a DNA repair
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| 650 |
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4 |
|a duplicate paralogs
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| 650 |
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4 |
|a genic DNA methylation
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| 650 |
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4 |
|a mutation rate
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| 650 |
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4 |
|a sequence polymorphism
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| 650 |
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4 |
|a transposon-like methylated genes
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| 700 |
1 |
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|a Lensink, Mariele
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kliebenstein, Daniel J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Niederhuth, Chad
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Monroe, Grey
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t The New phytologist
|d 1979
|g 240(2023), 3 vom: 24. Nov., Seite 1292-1304
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:240
|g year:2023
|g number:3
|g day:24
|g month:11
|g pages:1292-1304
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| 856 |
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|u http://dx.doi.org/10.1111/nph.19227
|3 Volltext
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