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ABSTRACT: Carnation transcriptome

PROVIDER: PRJNA1202570 | ENA |

REPOSITORIES: ENA

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Dataset's files

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			Action	DRS
	SRR31831710_1.fastq.gz	Fastqsanger.gz
	SRR31831710_2.fastq.gz	Fastqsanger.gz
	SRR31831711_1.fastq.gz	Fastqsanger.gz
	SRR31831711_2.fastq.gz	Fastqsanger.gz
	SRR31831712_1.fastq.gz	Fastqsanger.gz

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Histone H3K4 methyltransferase DcATX1 promotes ethylene induced petal senescence in carnation (Dianthus caryophyllus L.)

Project description:Petal senescence is controlled by a complex regulatory network. Epigenetic regulation like histone modification influences chromatin state and gene expression. However, involvement of histone methylation in regulating petal senescence is still largely unknown. Here, we found that the trimethylation of histone H3 at Lysine 4 (H3K4me3) is increased during the ethylene induced petal senescence in carnation (Dianthus caryophyllus L.). The H3K4me3 levels are positively associated with the expression of transcription factor DcWRKY75, ethylene biosynthetic genes DcACS1 and DcACO1, and senescence associated genes (SAGs) DcSAG12 and DcSAG29. Further, we identified that carnation DcATX1 (ARABIDOPSIS HOMOLOG OF TRITHORAX1) encodes a histone lysine methyltransferase which can methylate H3K4. Knockdown of DcATX1 delays ethylene induced petal senescence in carnation, which is associated with the downregulated expression of DcWRKY75, DcACO1 and DcSAG12. While overexpression of DcATX1 exhibits the opposite effects. DcATX1 promotes the transcription of DcWRKY75, DcACO1 and DcSAG12 by targeting to their promoters to elevate the H3K4me3 levels. Overall, our results demonstrate that DcATX1 is a H3K4 methyltransferase that promotes the expression of DcWRKY75, DcACO1, DcSAG12 and maybe other downstream target genes by regulating H3K4me3 levels, thereby accelerating ethylene induced petal senescence in carnation. This study further indicates that epigenetic regulation is important for plant senescence process.

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Gene expression profiling during adventitious root formation in carnation stem cuttings

Project description:We analysed the expression profile of genes involved in adventitious root formation in carnation cuttings in response to exogenous auxin.

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Dianthus caryophyllus strain:CLUB, ELLY, SEYCHELLS, SIBERIA

Project description:Transcriptome analysis of carnation flowers

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Project description:carnation genome resequencing

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Project description:Transcriptome of carnation petals treated by ethylene

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Dianthus caryophyllus strain:Francesco

Project description:Transcriptome Analysis of Carnation (Dianthus caryophyllus L.)

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Dianthus caryophyllus strain:Francesco

Project description:Carnation whole-genome sequencing

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Project description:BAC sequencing data for carnation

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RNA sequencing of plant microRNAs precipitated by the tombusviral suppressor of RNA silencing p19.

Project description:Viral suppressors of RNA silencing, VSRs, counteract the antiviral RNA silencing of host plants by sequestration of virus-derived siRNAs. A central question concerns whether and how VSRs associate cellular miRNAs and thus modulate plant gene expression during a viral infection. In this study we characterize the binding behaviour of the tombusviral p19 protein to miRNAs by performing an RNA-pull down experiment with bead-associated p19 protein from carnation italian ringspot virus. For this, we used cytoplasmatic extracs of Nicotiana tabacum protoplasts as an RNA source. By applying Next Generation Sequencing (NGS) to the precipitated small RNAs, we were able to identify miRNAs specifically associating with the protein and other that were not efficiently bound by p19.

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Project description:Transcriptome analysis of Arabidopsis seedlings in response to carnation and eugenol

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