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Establishment of Transposase-assisted Low-input m6A Sequencing Technique

ABSTRACT: Establishment of Transposase-assisted Low-input m6A Sequencing Technique

PROVIDER: PRJNA704264 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR13768329_1.fastq.gz	Fastqsanger.gz
	SRR13768329_2.fastq.gz	Fastqsanger.gz
	SRR13768330_1.fastq.gz	Fastqsanger.gz
	SRR13768330_2.fastq.gz	Fastqsanger.gz
	SRR13768331_1.fastq.gz	Fastqsanger.gz

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Establishment of Transposase-assisted Low-input m6A Sequencing Technique

Project description:As the most abundant and best-characterized internal mRNA modification, N6-methyladenosine (m6A) emerges to play a critical regulatory role in wide range of physiological and pathological processes, including gametogenesis, neuronal development, obesity and tumorigenesis. Methylated RNA immunoprecipitation coupled with next-generation sequencing (MeRIP-seq) facilitates transcriptome-wide m6A profiling, also is the most widely used technique to understand the biological significance of m6A. However, it typically requires over 100 μg of total RNA or 107 cells as input materials, hampering its application in limited samples. Here, we develop tMeRIP-seq, a transposase assisted MeRIP-seq method to achieve m6A profiling using ultra-low amount of input RNA. By marrying Tn5 tagmentation to m6A-specific immunoprecipitation, tMeRIP-seq largely improves the efficiency of library construction and reduces the input materials to as little as 60 ng total RNA or 103 cells. We apply this method on a small droplet of human blood and recapitulate the m6A profile previously reported using conventional protocol. We find tMeRIP-seq is a convenient and powerful method to examine m6A in ultra-low input material, potentially providing m6A as a new layer of bio-marker for liquid biopsy.

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