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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/nph.19311
|2 doi
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|a pubmed25n1210.xml
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|a (DE-627)NLM363163719
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|a (NLM)37823324
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Hisanaga, Tetsuya
|e verfasserin
|4 aut
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| 245 |
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4 |
|a The ancestral chromatin landscape of land plants
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|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
|b cr
|2 rdacarrier
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|a Date Completed 03.11.2023
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|a Date Revised 27.11.2024
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|a published: Print-Electronic
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|a RefSeq: PRJNA574453, PRJEB34743, GSE218880, SRR25338991, SRR10190639, SRR10190640, SRR10250248, SRR10250249, SRR25366943
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|a Citation Status MEDLINE
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|a © 2023 The Authors. New Phytologist © 2023 New Phytologist Foundation.
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|a Recent studies have shown that correlations between chromatin modifications and transcription vary among eukaryotes. This is the case for marked differences between the chromatin of the moss Physcomitrium patens and the liverwort Marchantia polymorpha. Mosses and liverworts diverged from hornworts, altogether forming the lineage of bryophytes that shared a common ancestor with land plants. We aimed to describe chromatin in hornworts to establish synapomorphies across bryophytes and approach a definition of the ancestral chromatin organization of land plants. We used genomic methods to define the 3D organization of chromatin and map the chromatin landscape of the model hornwort Anthoceros agrestis. We report that nearly half of the hornwort transposons were associated with facultative heterochromatin and euchromatin and formed the center of topologically associated domains delimited by protein coding genes. Transposons were scattered across autosomes, which contrasted with the dense compartments of constitutive heterochromatin surrounding the centromeres in flowering plants. Most of the features observed in hornworts are also present in liverworts or in mosses but are distinct from flowering plants. Hence, the ancestral genome of bryophytes was likely a patchwork of units of euchromatin interspersed within facultative and constitutive heterochromatin. We propose this genome organization was ancestral to land plants
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|a Journal Article
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|a Anthoceros agrestis
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|a Marchantia polymorpha
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|a bryophytes
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|a chromatin
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|a epigenetic
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|a evolution
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|a Chromatin
|2 NLM
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| 650 |
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|a Heterochromatin
|2 NLM
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| 650 |
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|a Euchromatin
|2 NLM
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| 700 |
1 |
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|a Wu, Shuangyang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schafran, Peter
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Axelsson, Elin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Akimcheva, Svetlana
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dolan, Liam
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Fay-Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Berger, Frédéric
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 240(2023), 5 vom: 25. Dez., Seite 2085-2101
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnas
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| 773 |
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|g volume:240
|g year:2023
|g number:5
|g day:25
|g month:12
|g pages:2085-2101
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|u http://dx.doi.org/10.1111/nph.19311
|3 Volltext
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