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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1111/nph.19165
|2 doi
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|a pubmed24n1341.xml
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|a (DE-627)NLM360650716
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|a (NLM)37565540
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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 Perrella, Giorgio
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Histone Deacetylase Complex 1 and histone 1 epigenetically moderate stress responsiveness of Arabidopsis thaliana seedlings
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|c 2024
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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 11.12.2023
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|a Date Revised 22.03.2024
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|a published: Print-Electronic
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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 Early responses of plants to environmental stress factors prevent damage but can delay growth and development in fluctuating conditions. Optimising these trade-offs requires tunability of plant responsiveness to environmental signals. We have previously reported that Histone Deacetylase Complex 1 (HDC1), which interacts with multiple proteins in histone deacetylation complexes, regulates the stress responsiveness of Arabidopsis seedlings, but the underlying mechanism remained elusive. Here, we show that HDC1 attenuates transcriptome re-programming in salt-treated seedlings, and we identify two genes (LEA and MAF5) that inhibit seedling establishment under salt stress downstream of HDC1. HDC1 attenuates their transcriptional induction by salt via a dual mechanism involving H3K9/14 deacetylation and H3K27 trimethylation. The latter, but not the former, was also abolished in a triple knockout mutant of the linker histone H1, which partially mimics the hypersensitivity of the hdc1-1 mutant to salt stress. Although stress-induced H3K27me3 accumulation required both H1 and HDC1, it was not fully recovered by complementing hdc1-1 with a truncated, H1-binding competent HDC1 suggesting other players or independent inputs. The combined findings reveal a dual brake function of HDC1 via regulating both active and repressive epigenetic marks on stress-inducible genes. This natural 'anti-panic' device offers a molecular leaver to tune stress responsiveness in plants
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|a Journal Article
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|a Arabidopsis
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|a germination
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|a histone modifications
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|a salt stress
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|a transcriptional regulation
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|a transcriptomics
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|a Histones
|2 NLM
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|a Arabidopsis Proteins
|2 NLM
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| 650 |
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|a Histone Deacetylases
|2 NLM
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| 650 |
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|a EC 3.5.1.98
|2 NLM
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| 700 |
1 |
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|a Fasano, Carlo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Donald, Naomi A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Daddiego, Loretta
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fang, Weiwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Martignago, Damiano
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Carr, Craig
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Conti, Lucio
|e verfasserin
|4 aut
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| 700 |
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|a Herzyk, Pawel
|e verfasserin
|4 aut
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| 700 |
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|a Amtmann, Anna
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 241(2024), 1 vom: 01. Jan., Seite 166-179
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:241
|g year:2024
|g number:1
|g day:01
|g month:01
|g pages:166-179
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|u http://dx.doi.org/10.1111/nph.19165
|3 Volltext
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|d 241
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