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The Molecular Mechanisms of m6A Methylation Modification in Regulating Bolting and Flowering in Radish

ABSTRACT: The Molecular Mechanisms of m6A Methylation Modification in Regulating Bolting and Flowering in Radish

PROVIDER: PRJNA1126243 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR29478426_1.fastq.gz	Fastqsanger.gz
	SRR29478426_2.fastq.gz	Fastqsanger.gz
	SRR29478427_1.fastq.gz	Fastqsanger.gz
	SRR29478427_2.fastq.gz	Fastqsanger.gz
	SRR29478428_1.fastq.gz	Fastqsanger.gz

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The Molecular Mechanisms of m6A Methylation Modification in Regulating Bolting and Flowering in Radish

Project description:N6-methyladenosine (m6A) is a crucial epigenetic modification in mRNA and the most abundant methylation in eukaryotes. However, research on m6A modification in radish (Raphanus sativus) is not as extensive as in model plants. In this study, we analyzed m6A modification during the vegetative and reproductive growth stages of radish using m6A-seq and RNA-seq to explore its potential role in bolting and flowering. The results showed that m6A peaks significantly increased during the reproductive growth stage compared to the vegetative stage, with more m6A modification sites in the stop codon, 3' UTR, and promoter regions. Overexpression of the RsALKBH10B gene led to a global reduction in m6A modification and resulted in an early bolting and flowering phenotype, with transcription levels of key flowering factors RsSOC1 and RsFT increasing by 10-40 fold. Correlation analysis between differential m6A modification and differentially expressed genes indicated that genes such as RsSUF4, RsAGL13, and RsCDF5 might regulate bolting and flowering. Overexpression of RsSUF4 delayed bolting and flowering and decreased overall m6A modification levels; in positive transgenic plants, higher m6A levels of RsSUF4 were associated with lower transcription levels. These findings suggest that m6A methylation may regulate gene expression related to bolting and flowering in radish by affecting mRNA stability, ultimately leading to bolting and flowering.

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The flowering-related genes responsible for differences in bolting time between two radish lines

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m6A RNA modification controls cell fate transition in mammalian embryonic stem cells

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m6A RNA modification controls cell fate transition in mammalian embryonic stem cells (RNA methylation)

Project description:Here we determine the map of RNA methylation (m6A) in mouse embrionic stem cells, and Mettl3 knock out cells Examination of m6A modification sites on the transcriptome of mouse Embryonic stem cells and Embryonic Mettl3 knock out cells, using a m6A specific antibody.

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Project description:In this study we performed MeRIP-Seq to study N6-methyl adenosine (m6A) and and N6,2′ -O-dimethyladenosine (m6Am) modification of mRNA. We investigated the effect of the microbiota on the transcriptome and epitranscriptomic modifications in murine liver and cecum. We compared m6A/m modification profiles in cecum of conventionally raised (CONV) and germ-free (GF) mice. We additionally included GF mice colonised with the flora of CONV mice for four weeks (ex-GF), for which show that they exhibit similar patterns of the most abundant genera of gut bacteria as CONV mice. We added mice treated with several antibiotics to deplete the gut flora (abx)and vancomycin treated mice in which the genera Akkermansia, Escherichia/Shigella and Lactobacillus were enriched. Furthermore, we included GF mice colonised with the commensal bacterium Akkermansia muciniphila (Am), Lactobacillus plantarum (Lp) and Escherichia coli Nissle (Ec) and analysed their m6A/m modification profiles. In addition, we analysed changes in m6A/m- modified liver RNA for CONV, GF, and Am, Lp and Ec mice.

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