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Small Nucleolar RNAs in the Dlk1-Gtl2 Imprinting Locus Maintains LT-HSC Self-renewal by Regulation of rRNA Modification and Translation [RiboMeth-seq]

ABSTRACT: Small Nucleolar RNAs in the Dlk1-Gtl2 Imprinting Locus Maintains LT-HSC Self-renewal by Regulation of rRNA Modification and Translation [RiboMeth-seq]

PROVIDER: PRJNA701174 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR13675240.fastq.gz	Fastqsanger.gz
	SRR13675241.fastq.gz	Fastqsanger.gz
	SRR13675242.fastq.gz	Fastqsanger.gz
	SRR13675243.fastq.gz	Fastqsanger.gz
	SRR13675244.fastq.gz	Fastqsanger.gz

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Small Nucleolar RNAs in the Dlk1-Gtl2 Imprinting Locus Maintains LT-HSC Self-renewal by Regulation of rRNA Modification and Translation [RiboMeth-seq]

Project description:Small nucleolar RNA (snoRNA) are non-coding RNAs, which participate in the cleavage and chemical modification of ribosomal RNAs (rRNAs) and small nuclear RNAs. However, the roles of snoRNA in homeostasis of hematopoietic stem cells(HSCs) have not been studied. We isolated four hematopoietic stem and progenitor cells (HSPCs) (LT-HSCs, IT-HSCs, ST-HSCs, and MPPs) from the bone marrow (BM) of C57BL/6 mice and performed small RNA-seq. We found SnoRNAs belonging to SNORD113-114 cluster were specifically enriched in LT-HSCs, and their expression decreased dramatically with HSC differentiation. To explore function of snoRNAs in SNORD113-114 cluster in HSCs, we established maternally KO mice by CRISPR-Cas9 technology. Here, we used RiboMeth-seq to examine rRNA 2’-O-me modification changes influenced by SNORD113-114 cluster KO.

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Project description:Small nucleolar RNA (snoRNA) are non-coding RNAs, which participate in the chemical modification of ribosomal RNAs (rRNAs) and small nuclear RNAs. However, the roles of snoRNA in homeostasis of hematopoietic stem cells(HSCs) have not been studied. We isolated four hematopoietic stem and progenitor cells (HSPCs) (LT-HSCs, IT-HSCs, ST-HSCs, and MPPs) from the bone marrow (BM) of C57BL/6 mice and performed small RNA-seq. We found SnoRNAs belonging to SNORD113-114 cluster were specifically enriched in LT-HSCs, and their expression decreased dramatically with HSC differentiation. Here, we used a modified small RNA-seq method to examine snoRNA profiles of hematopoietic progenitor and mature cells in WT mice.

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