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ENAP1 is involoved in the Histone H3K23 acetylation- and EIN3- mediated ethylene response

ABSTRACT: We report that ethylene reduce the ENAP1 binding. We perform Chip-sequencing of ENAP1 using chromatins isolated from 3-day old etiolated Col-0/ein2/ein3eil1 seedlings treated with ethylene or air gas. Results show that ethylene reduce ENAP1 binding in TSS region of EIN3 targeted genes that are regulated at the transcriptional level by ethylene.

ORGANISM(S): Arabidopsis thaliana

PROVIDER: GSE81200 | GEO | 2017/09/07

SECONDARY ACCESSION(S): PRJNA321020

REPOSITORIES: GEO

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ENAP1 is involoved in the EIN3- mediated ethylene response

Project description:We report that ethylene reduce the ENAP1 binding. We perform Chip-sequencing of ENAP1 using chromatins isolated from 3-day old etiolated ein3eil1 seedlings treated with ethylene or air gas. Results show that ethylene reduce ENAP1 binding in TSS region of EIN3 targeted genes that are regulated at the transcriptional level by ethylene.

2019-08-21 | GSE102984 | GEO

ENAP1 is involved in ethylene response

Project description:We report that ethylene regulate the ENAP1 binding. We perform a dual cross-linking procedure using the additional cross-linker ethylene glycol bis-succinimidylsuccinate (EGS; Thermo Scientific) along with formaldehyde according to (Pedmale et al. 2016) for Chip-sequencing (ChIPseq) of ENAP1, as well as ENAP1 ChIP- EIN2 reChIPseq (ChIP-reChIPseq), which were used chromatins isolated from 3-day old etiolated Col-0 seedlings treated with ethylene or air gas. Results show that ENAP1 is involved in the EIN2 dependent ethylene response.

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TREE1-EIN3 mediated transcriptional repression inhibits shoot growth in the response to ethylene in the Histone H3K23 acetylation- and EIN3- mediated ethylene response

Project description:We report that ethylene enhances the TREE1 binding. We perform ChIP-sequencing of TREE1 using chromatins isolated from 3-day old etiolated pTREE1:TREE1-GFP seedlings treated with ethylene or air gas. Results show that ethylene enhances TREE1 binding in ethylene down regulated genes.

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EIN2 mediates histone H3K14 and non-canonical histone H3K23 acetylation in the nucleus in ethylene response [ChIP-seq]

Project description:We report that ethylene specifically elevated acetylation of histone H3 at K14 and the non-canonical acetylation of histone H3 at K23. We perform Chip-sequencing of H3K14Ac, H3K23Ac and H3K9Ac using chromatins isolated from 3-day old etiolated Col-0 seedlings treated with ethylene or air gas. Results show that ethylene specifically elevates H3K14Ac and non-canonical H3K23Ac in EIN3 targeted genes that are regulated at the transcriptional level by ethylene.

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Genome-wide study reveals dual function of histone binding protein ENAP1 in ethylene signaling

Project description:Purpose: Next-generation sequencing (NGS) has been used to study the gene expression in different samples under air and ethylene treatment. The goal of this study is to uncover how ENAP1 and H3K23Ac dynamically coordinate with EIN3 to regulate gene expression in response to ethylene.

2017-09-07 | GSE83214 | GEO

Genome-wide study reveals dual function of histone binding protein ENAP1 in ethylene signaling in ein3eil1 mutant plants

2019-08-21 | GSE102988 | GEO

An integrative analysis of different histone acetylation in ethylene response in Arabidopsis

Project description:We reported that ethylene specifically elevated acetylation of histone H3 at K14 and the non-canonical acetylation of histone H3 at K23,but not H3K9ac.Thus, we further performed Chip-sequencing of H3K9Ac, using chromatins isolated from 3-day old etiolated ein2-5 seedlings treated with ethylene or air gas.

2017-08-11 | GSE93875 | GEO

Transcription profiling of Arabidopsis wild type and ein3-1eil1-1mutant seedlings grown in the dark

Project description:Ethylene is a gaseous hormone that plays important roles in plant growth, development and stress responses. EIN3 was identified as a plant-specific transcription factor and its protein level rapidly increases upon ethylene treatment. We found that activation of EIN3 and EIN3-like 1 (EIL1) is both necessary and sufficient for ethylene-induced enhancement of seedling greening, as well as repression of the accumulation of protochlorophyllide, a phototoxic intermediate of chlorophyll synthesis. Therefore, comparation of the Wt and ein3-1eil1-1 mutant etiolated seedlings' gene expression at genome wide will be helpfull for us to find the EIN3/EIL1 target genes in chlorophyll biosynthesis pathway. Here we used microarrays to detail the global gene expression under the regulation of EIN3/EIL1.Here we used microarrays to detail the global gene expression under the regulation of EIN3/EIL1. Experiment Overall Design: 4 days dark grown Wt and ein3-1eil1-1 (AT3G20770, AT2G27050) double mutant seedlings were collected for isolation RNA. Standard Affymetrix protocal and 25K Affymetrix chip (ATH1) were used for Microarry hybridization.

2009-10-27 | E-GEOD-18631 | biostudies-arrayexpress

Expression from dark grown Arabidopsis Wild type (Wt, Col-o) and ein3-1eil1-1 (AT3G20770, AT2G27050) mutant seedlings

2009-10-20 | GSE18631 | GEO

Salicylic Acid Suppresses Apical Hook Formation via NPR1-Mediated Repression of EIN3/EIL1 in Arabidopsis

Project description:Salicylic acid (SA) and ethylene (ET) are two important plant hormones that regulate numerous plant growth, development, and stress response processes. Previous studies have suggested functional interplay of SA and ET in defense response, but precisely how these two hormones co-regulate plant growth and development processes remains unclear. The present findings reveal an antagonism between SA and ET in apical hook formation, a process that ensures successful soil emergence of dicotyledonous etiolated seedlings. Exogenous SA inhibited the ET-induced expression of HOOKLESS1 (HLS1) in a manner dependent on ETHYLENE INSENSITIVE3 (EIN3)/EIN3-LIKE1 (EIL1), the core transcription factors in the ET signaling pathway. We found that SA-activated NONEXPRESSER OF PR GENES1 (NPR1) physically interacted with EIN3 and interfered with the direct binding of EIN3 to target gene promoters, including the HLS1 promoter. Transcriptomic analysis further revealed that NPR1 and EIN3/EIL1 coordinately regulated subsets of genes that mediate plant growth and stress responses, suggesting that the interaction between NPR1 and EIN3/EIL1 might be an important mechanism for integrating the SA and ET signaling pathways in multiple physiological processes. Taken together, our findings shed light on the molecular mechanism underlying SA regulation of apical hook formation as well as the antagonism between SA and ET in early seedling establishment and possibly other physiological processes.

2020-08-20 | GSE137212 | GEO

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