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Dianthus caryophyllus

ABSTRACT: flowering plant

PROVIDER: PRJNA172775 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	DRR001990.fastq.gz	Fastqsanger.gz
	DRR001991.fastq.gz	Fastqsanger.gz
	DRR014087_1.fastq.gz	Fastqsanger.gz
	DRR014087_2.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.

2023-11-30 | GSE218725 | GEO

Dianthus caryophyllus

Project description:Haplotype genome 1 of Dianthus caryophyllus

| PRJNA911054 | ENA

Dianthus caryophyllus

Project description:BAC sequencing data for carnation

| PRJDB2498 | ENA

Dianthus caryophyllus

Project description:ddRAD-Seq to establish a genetic map in carnation

| PRJDB4759 | ENA

Dianthus caryophyllus

Project description:Haplotype genome 2 of Dianthus caryophyllus

| PRJNA983919 | ENA

Dianthus caryophyllus

Project description:RNA-Seq in Dianthus caryophyllus breeding lines 2-241-1MB and 4-94-1 MR.

| PRJDB5916 | ENA

Dianthus caryophyllus

Project description:Dianthus caryophyllus Raw sequence reads

| PRJNA283928 | ENA

Dianthus caryophyllus

Project description:Dianthus caryophyllus Raw miRNA-seq sequence reads

| PRJNA889023 | ENA

Dianthus caryophyllus

Project description:carnation genome resequencing

| PRJDB8279 | ENA

Sequence analysis of the genome of carnation (Dianthus caryophyllus L.).

Project description:The whole-genome sequence of carnation (Dianthus caryophyllus L.) cv. 'Francesco' was determined using a combination of different new-generation multiplex sequencing platforms. The total length of the non-redundant sequences was 568,887,315 bp, consisting of 45,088 scaffolds, which covered 91% of the 622 Mb carnation genome estimated by k-mer analysis. The N50 values of contigs and scaffolds were 16,644 bp and 60,737 bp, respectively, and the longest scaffold was 1,287,144 bp. The average GC content of the contig sequences was 36%. A total of 1050, 13, 92 and 143 genes for tRNAs, rRNAs, snoRNA and miRNA, respectively, were identified in the assembled genomic sequences. For protein-encoding genes, 43 266 complete and partial gene structures excluding those in transposable elements were deduced. Gene coverage was ? 98%, as deduced from the coverage of the core eukaryotic genes. Intensive characterization of the assigned carnation genes and comparison with those of other plant species revealed characteristic features of the carnation genome. The results of this study will serve as a valuable resource for fundamental and applied research of carnation, especially for breeding new carnation varieties. Further information on the genomic sequences is available at http://carnation.kazusa.or.jp.

| S-EPMC4060945 | biostudies-literature

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