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M6A modification maps of mRNA in colonic epithelial cells from mouse

ABSTRACT: m6A modification maps of mRNA in colonic epithelial cells from mouse

PROVIDER: PRJNA753769 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR15413848.fastq.gz	Fastqsanger.gz
	SRR15413849.fastq.gz	Fastqsanger.gz
	SRR15413850.fastq.gz	Fastqsanger.gz
	SRR15413851.fastq.gz	Fastqsanger.gz
	SRR15413852.fastq.gz	Fastqsanger.gz

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m6A modification maps of mRNA in colonic epithelial cells from mouse

Project description:We report the application of sequencing technology for high-throughput profiling of mRNA m6A methylation in mice colonic epithelial cells with or without mettl14 deletion. By obtaining over thirty billion bases of sequence from m6A antibody immunoprecipitated mRNA, we generated m6A methylation maps of mouse colonic epithelial cells with or with mettl14 deletion. We find that GsdmC2, GsdmC3, GadmC3 mRNA methylation is robustly decreased in colonic epithelial cells upon mettl14 deletion, leading to the decrease of Gsdmc expression.

2022-06-22 | GSE181863 | GEO

m6A mRNA modification is a rheostat to maintain colonic epithelial cell homeostasis [scRNA-seq]

Project description:The function of m6A modification in colonic epithelial cells has been validated in our study that depletion of METTL14 in colonic epithelial cells triggers cell death. To further explore the biological effects of m6A deficiency in colonic epithelial cell heterogeneity, we performed single cell RNA-seq of colonic epithelial cells form 2-week-old Mettl14-KO and WT control mice

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m6A mRNA modification is a rheostat to maintain colonic epithelial cell homeostasis [bulkRNA-seq]

Project description:The function of m6A modification in colonic epithelial cells has been validated in our study that depletion of METTL14 in colonic epithelial cells triggers cell death. To further explore the biological effects of m6A deficiency in colonic epithelial cells, we performed RNA sequencing analysis of colonic epithelial cells form 2-week-old Mettl14-KO and WT control mice.The bioinformatic analysis revealed that METTL14 depletion increased the mRNA expression of NF-kB inhibitor Nfkbia, which favored TNF-induced cell death.

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m6A mRNA modification is a rheostat to maintain colonic epithelial cell homeostasis

Project description:m6A mRNA modification is a rheostat to maintain colonic epithelial cell homeostasis

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m6A modification maps of mRNA in bone marrow-derived macrophages (BMDMs) from mouse

Project description:We report the application of sequencing technology for high-throughput profiling of mRNA m6A methylation in mice BMDMs with or without PBS treatment. By obtaining over thirty billion bases of sequence from m6A antibody immunoprecipitated mRNA, we generated m6A methylation maps of mouse BMDMs in the presence or absence of LPS. We find that SOCS1 mRNA methylation is robustly enhanced by LPS treatment in WT BMDMs, leading to the increase of SOCS1 expression. However, LPS challenge fails to increase SOCS1 expression in the M14-/- BMDMs, indicating m6A modification plays a cirital role in the SOCS1 expression. This study provides a framework for the application of comprehensive mRNA m6A profiling towards characterization of BMDMs.

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m6A mRNA modification is a rheostat to maintain colonic epithelial cell homeostasis [scRNA-seq]

Project description:m6A mRNA modification is a rheostat to maintain colonic epithelial cell homeostasis [scRNA-seq]

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m6A mRNA modification is a rheostat to maintain colonic epithelial cell homeostasis [bulkRNA-seq]

Project description:m6A mRNA modification is a rheostat to maintain colonic epithelial cell homeostasis [bulkRNA-seq]

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Impact of gut microbiota on m6A/m epitranscriptomic mRNA modification in different host tissues

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.

2020-02-12 | E-MTAB-6560 | biostudies-arrayexpress

m6A modification maps of mRNA in bone marrow-derived macrophages (BMDMs) from mouse

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Project description:N6-methyl-adenosine (m6A) is the most abundant modification on messenger RNAs and is linked to human diseases, but its functions in mammalian development are poorly understood. Here we reveal the evolutionary conservation and function of m6A by mapping the m6A methylome in mouse and human embryonic stem cells. Thousands of messenger and long noncoding RNAs show conserved m6A modification, including transcripts encoding core pluripotency transcription factors. m6A is enriched over 3M-bM-^@M-^Y untranslated regions at defined sequence motifs, and marks unstable transcripts, including transcripts turned over upon differentiation. Genetic inactivation or depletion of mouse and human Mettl3, one of the m6A methylases, led to m6A erasure on select target genes, prolonged Nanog expression upon differentiation, and impaired ESCM-bM-^@M-^Ys exit from self-renewal towards differentiation into several lineages in vitro and in vivo. Thus, m6A is a mark of transcriptome flexibility required for stem cells to differentiate to specific lineages. Examing m6A modification differences in two different cell types

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