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Plastid signaling triggers HDA6-mediated epigenetic programs during environmental sensing in plants [RNA-seq]

ABSTRACT: Plastid signaling triggers HDA6-mediated epigenetic programs during environmental sensing in plants [RNA-seq]

PROVIDER: PRJNA1124929 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR29442608_1.fastq.gz	Fastqsanger.gz
	SRR29442608_2.fastq.gz	Fastqsanger.gz
	SRR29442609_1.fastq.gz	Fastqsanger.gz
	SRR29442609_2.fastq.gz	Fastqsanger.gz
	SRR29442610_1.fastq.gz	Fastqsanger.gz

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Plastid signaling triggers HDA6-mediated epigenetic programs during environmental sensing in plants [RNA-seq]

Project description:Plants adapt to environmental changes by adjusting growth and defense, and the role of epigenetic modifications in this process is unclear. Sensing and adjusting to environmental changes are more important in certain tissues such as epidermis, vasculature, meristem, and reproductive tissues. These tissues possess sensory plastids that are specialized in environmental sensing. We show perturbation of four sensory plastid proteins MSH1, PPD3, CUE1, and SAL1 induce gene expression and DNA methylation changes targeted to networks associated to environmental sensing, with significant overlap with hda6-induced CHG hypermethylated genes at 12-hr daylength. At 16-hr daylength, hda6 loses CHG hypermethylation in gene body, and sensory plastid mutants have weaker phenotypes and DNA methylation- and gene expression- associated gene networks. We show daylength-responsive epistatic interaction between sensory plastid mutants with hda6. We also show that hda6 mutation confers daylength memory and, with msh1, enhanced tolerance to heat stress and biotic stress. These results suggest that HDA6 mediates programmed adjustments in plant phenotype triggered by sensory plastid-to-nucleus retrograde signaling in response to daylength and environmental cues.

2024-06-20 | GSE270059 | GEO

Plastid signaling triggers HDA6-mediated epigenetic programs during environmental sensing in plants [Bisulfite-seq]

2024-06-20 | GSE270032 | GEO

Plastid signaling triggers HDA6-mediated epigenetic programs during environmental sensing in plants [Bisulfite-seq]

Project description:Plastid signaling triggers HDA6-mediated epigenetic programs during environmental sensing in plants [Bisulfite-seq]

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RNA-seq of 14 days old arabidopsis in Col hda6 ldl1/2 and hda6/ldl1/2

Project description:We report the application ofr high-throughput profiling of total transcript in WT, hda6, ldl1/2 and hda6/ldl1/2. The total RNA were extracted and analysed by NGS to identify the differential expressed genes between WT with hda6, ldl1/2 and hda6/ldl1/2.

2021-03-30 | GSE132873 | GEO

Genome-wide maps of H3K4me2 in 14 days old WT, hda6, ldl1/2 and hda6/ldl1/2 arabidopsis

Project description:We report the application of single-molecule-based sequencing technology for high-throughput profiling of H3K4me2 in 14 days old WT, hda6, ldl1/2 and hda6/ldl1/2 arabidopsis. By obtaining sequence from chromatin immunoprecipitated DNA, we mapped genome-wide H3K4me2 levels of 14 days old WT, hda6, ldl1/2 and hda6/ldl1/2 arabidopsis. ChIP was performed using anti-H3K4me2 antibody (diagenode; C15410035), and ChIP DNA were analyzed by Illumina HiSeq 2500.

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Project description:We report the application of single-molecule-based sequencing technology for high-throughput profiling of H3Ac in 14 days old WT, hda6, ldl1/2 and hda6/ldl1/2 arabidopsis. By obtaining sequence from chromatin immunoprecipitated DNA, we mapped genome-wide H3AC levels of 14 days old WT, hda6, ldl1/2 and hda6/ldl1/2 arabidopsis. ChIP was performed using anti-H3K9K14Ac antibody (Millipore; 06-599), and ChIP DNA were analyzed by Illumina HiSeq 2500.

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Genome-wide maps of HDA6pro::HDA6:GFP in 14 days old arabidopsis

Project description:We report the application of single-molecule-based sequencing technology for high-throughput profiling of HDA6 in 14 days old arabidopsis. By obtaining sequence from chromatin immunoprecipitated DNA, we generated genome-wide HDA6-binding maps of 14 days old arabidopsis. To reveal bound genes by HDA6, chimeric protein HDA6-GFP was expressed under HDA6 promoter in hda6 (HDA6pro:HDA6:GFP/ hda6). ChIP was performed using anti-GFP antibody (ab290; ABCAM), and ChIP DNA were analyzed by Illumina HiSeq 2500.

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HDA6 mediated euchromatic silencing acts independently of DNA methylation

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A nutrient sensing transition at birth triggers glucose-stimulated insulin secretion

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The Histone Deacetylases HDA6 and HDA9 coordinately regulate valve cell elongation through depressing auxin signaling in Arabidopsis

Project description:Both of Histone Deacetylases HDA6 and HDA9 belong to RPD3/HDA1 class I subfamily, and they have similar protein structure. Loss of function of HDA9 display a blunt silique. Although there is not protein-protein interaction between HDA6 and HDA9, they simultaneously loss function led to “nock-shape” silique that more seriously silique phenotype than hda9. The silique valve cell of hda9 and hda6 hda9 were longer than wild type and hda6. The transcripts level of auxin signaling related genes were mis-regulated in hda9 and hda6 hda9 silique, and GFP signaling derived by auxin response promoter DR5 were weaker in hda9 and hda6 hda9 than wild type and hda6. Thus, our findings reveal that HDA6 and HDA9 coordinately control silique valve cell elongation through affecting auxin signaling related genes expression in silique.

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