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

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Solanum lycopersicum

PROVIDER: GSE142714 | GEO | 2020/04/13

REPOSITORIES: GEO

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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 [ChIP-Seq]

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

| PRJNA598114 | ENA

A DEMETER-like DNA demethylase governs tomato fruit ripening.

Project description:In plants, genomic DNA methylation which contributes to development and stress responses can be actively removed by DEMETER-like DNA demethylases (DMLs). Indeed, in Arabidopsis DMLs are important for maternal imprinting and endosperm demethylation, but only a few studies demonstrate the developmental roles of active DNA demethylation conclusively in this plant. Here, we show a direct cause and effect relationship between active DNA demethylation mainly mediated by the tomato DML, SlDML2, and fruit ripening- an important developmental process unique to plants. RNAi SlDML2 knockdown results in ripening inhibition via hypermethylation and repression of the expression of genes encoding ripening transcription factors and rate-limiting enzymes of key biochemical processes such as carotenoid synthesis. Our data demonstrate that active DNA demethylation is central to the control of ripening in tomato.

| S-EPMC4553810 | biostudies-literature

Histone demethylase SlJMJ4 promotes leaf senescence via removal of H3K27 methylation of senescence-related genes in tomato

Project description:SlJMJ4 is a positive regulator of leaf senescence in tomato and mediates ABA-induced leaf senescence by activating the transcription of many genes related to ABA synthesis and signaling, and transcription regulation via removal of their H3K27me3 levels.

2022-04-06 | GSE177487 | GEO

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

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

2021-07-10 | GSE148527 | 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