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Histone demethylase SlJMJ6 promotes fruit ripening by removing H3K27 methylation of ripening-related genes in tomato [ChIP-Seq]

ABSTRACT: Histone demethylase SlJMJ6 promotes fruit ripening by removing H3K27 methylation of ripening-related genes in tomato [ChIP-Seq]

PROVIDER: PRJNA598114 | ENA |

REPOSITORIES: ENA

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Histone demethylase SlJMJ6 promotes fruit ripening by removing H3K27 methylation of ripening-related genes in tomato [ChIP-Seq]

Project description:Here, we found that the tomato jmjC domain-containing gene SlJMJ6 encodes a histone lysine demethylase that specifically demethylates H3K27 methylation. Overexpression of SlJMJ6 accelerated fruit ripening in tomato, which is associated with the up-regulated expression of a large number of ripening-related genes. Integrated analysis of RNA-seq and ChIP-seq data identified 55 genes that are targeted directly by SlJMJ6 and transcriptionally up-regulated with decreased H3K27m3 in SlJMJ6 overexpressing (SlJMJ6-OE) fruits. A large number of the SlJMJ6-regulated genes are involved in transcription regulation, ethylene biosynthesis, cell wall degradation, pigment biosynthesis, and hormone signaling. Fourteen ripening-related genes including RIN, ACS4, ACO1, PL, TBG4 were confirmed to be directly regulated by SlJMJ6 through removing H3K27me3. Taken together, these results indicated that SlJMJ6 is a ripening prompting H3K27me3 demethylase that activates the expression of the ripening-related genes by modulating H3K27me3, thereby facilitating fruit ripening in tomato. To our knowledge, this is the first report of the involvement of a histone lysine demethylase in the regulation of fruit ripening.

2020-04-13 | GSE142712 | GEO

Histone demethylase SlJMJ6 promotes fruit ripening by removing H3K27 methylation of ripening-related genes in tomato [RNA-Seq]

2020-04-13 | GSE142713 | GEO

Histone demethylase SlJMJ6 promotes fruit ripening by removing H3K27 methylation of ripening-related genes in tomato

Project description:Histone demethylase SlJMJ6 promotes fruit ripening by removing H3K27 methylation of ripening-related genes in tomato

| PRJNA598111 | ENA

Histone demethylase SlJMJ6 promotes fruit ripening by removing H3K27 methylation of ripening-related genes in tomato [RNA-Seq]

Project description:Histone demethylase SlJMJ6 promotes fruit ripening by removing H3K27 methylation of ripening-related genes in tomato [RNA-Seq]

| PRJNA598113 | ENA

Histone demethylase SlJMJ6 promotes fruit ripening by removing H3K27 methylation of ripening-related genes in tomato

Project description:This SuperSeries is composed of the SubSeries listed below.

2020-04-13 | GSE142714 | GEO

Histone demethylase SlJMJ7 Integrates DNA demethylation, ethylene signal and major ripening-related transcription factors in coordination of fruit ripening in tomato

Project description:Combinational analyses of genome-wide transcription, binding sites and histone H3K4 trimethylation profiles revealed that SlJMJ7 directly binds and represses the expression of a series of key ripening-associated factors, including ethylene biosynthesis genes ACS2/4/8 and ACO2, DNA demethylase DML2, as well as the ripening-related transcription factors RIN and NOR by removal the mark of H3K4-trimethylation. Moreover, SlJMJ7 directly and indirectly modulates the transcription of genes related to diverse physiological traits of fruit ripening.

2021-06-22 | GSE153080 | GEO

Histone demethylase SlJMJ7 Integrates DNA demethylation, ethylene signal and major ripening-related transcription factors in coordination of fruit ripening in tomato [ChIP-seq]

2021-07-10 | GSE148525 | GEO

Histone demethylase SlJMJ7 Integrates DNA demethylation, ethylene signal and major ripening-related transcription factors in coordination of fruit ripening in tomato [RNA-seq]

2021-07-10 | GSE148526 | GEO

Critical roles of DNA demethylation in the activation of ripening-induced genes and inhibition of ripening-repressed genes in tomato fruit

Project description:DNA methylation is a conserved epigenetic mark important for genome integrity, development and environmental responses in plants and mammals. Active DNA demethylation in plants is initiated by a family of 5mC DNA glycosylases/lyases (i.e. DNA demethylases). The role of DNA demethylases in transposon regulation, pathogen responses, and gene imprinting and other developmental processes have been studied extensively in the model plant Arabidopsis thaliana. Recent studies suggested a role of active DNA demethylation in fruit ripening in tomato. In this study, we generated loss-of-function mutant alleles of a tomato gene, SlROS1/SlDML1/2, which is a close homolog of the Arabidopsis DNA demethylase gene ROS1. In the fruits of the tomato mutants, increased DNA methylation was found in thousands of genes. These genes include not only hundreds of ripening induced genes but also many ripening repressed genes. Our results show that SlROS1 is critical for tomato fruit ripening, and suggest that active DNA demethylation is required for both the activation of ripening induced genes and inhibition of ripening repressed genes.

2017-05-02 | GSE94903 | GEO

Alternative mRNA splicing controls functions of the human H3K27 demethylase UTX/KDM6A

Project description:The UTX/KDM6A gene encodes the UTX histone H3K27 demethylase, which plays an important role in mammalian development and is frequently mutated in cancers and particularly, in urothelial cancers. Using BioID technique, we explored the interactome of different UTX isoforms.

2024-01-28 | PXD041254 | Pride

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