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Transcriptome-wide identification of 5-methylcytosine by deaminase and reader protein-assisted sequencing

GSE254194 Homo sapiens (human) RNA-seq (gene expression) 20 samples Submitted 2025/03/14 Platform GPL24676
At a glance

RNA-seq (gene expression) · human · 20 samples

What it is
RNA-seq (gene expression)Gene activity measured by sequencing. The summary does not mention single-cell work, so this is most likely bulk: one average per sample, the usual starting point for comparing groups.
Organism
Homo sapiens (human)
Samples
20 samples: 8 conditions, mostly in triplicateGroups are read from the sample names, not from the paper. Check the list below.
Data you can get
A processed table (series matrix) and supplementary files from NCBI; the raw sequencing reads from ENA. Which of these hold counts depends on the study, so check the file list.
Paper
Transcriptome-wide identification of 5-methylcytosine by deaminase and reader protein-assisted sequencingeLife · 2025
Summary (written by the submitters)
5-Methylcytosine (m5C) is one of the major post-transcriptional modifications in mRNA and is highly involved in the pathogenesis of various diseases. However, the capacity of existing assays for accurately and comprehensively transcriptome-wide m5C mapping still needs improvement. Here, we developed a deaminase and reader protein assisted RNA methylation analysis, termed DRAM, in which deaminases (APOBEC1 and TadA-8e) are fused with m5C reader proteins (ALYREF and YBX1) to identify the m5C sites through deamination events neighboring the methylation sites.
Read the full summary ↓
This antibody-free and bisulfite-free approach provided transcriptome-wide editing regions which were highly overlapped with the publicly available BS-seq datasets. Notably, DRAM-seq even discovered a new m5C methylation locus in KAT7, a previously demonstrated key aging regulator. In addition, DRAM system even supports ultra-low input RNA (10ng) and monitor the dynamic accumulation of cellular m5C. We anticipated that the DRAM system could pave the way for uncovering further biological functions of m5C modifications.
Published in
Transcriptome-wide identification of 5-methylcytosine by deaminase and reader protein-assisted sequencing
Zhou J, Zhao D, Li J et al. · eLife 2025 · PMID 40197347 · doi:10.7554/eLife.98166
This dataset
Download · which file do I need?

Direct links to NCBI and ENA, no account and no request form. Pick by what you want to do: take the small processed table to look, the supplementary files to re-analyse, or the original raw data to start over.

1 · Just have a look

Processed table

The series matrix: one table of values per sample as the submitters processed it. The smallest download, and it opens in Excel or R. Start here to see what the data look like.

2 · Re-analyse it

Supplementary files

The count tables and other files the authors uploaded. Take only the samples you need, or the whole study as GSE254194_RAW.tar (it can run to tens of gigabytes).

3 · Start from the raw reads

Raw sequencing reads

The original FASTQ files, straight from the sequencer, held at ENA. Large, and you align them yourself, so only choose this if you need to re-process the study from scratch.

What the files usually look like: For RNA-seq the counts are usually a table among the supplementary files (look for 'counts', 'expression', 'FPKM' or 'TPM' in the file name). The series matrix of a sequencing study is sometimes nearly empty.

Also filed as BioProject PRJNA1068978 and SRA study SRP485897. Searching any of these in the dataset finder brings you back here.

Study design
8 conditions, mostly in triplicate
HEK293T, DRAM-ABE, ×3 HEK293T, NSUN2KO-DRAM-ABE, ×3 HEK293T, DRAM-CBE, ×3 HEK293T, NSUN2KO-DRAM-CBE, ×3 HEK293T, NSUN6KO-DRAM-ABE, ×2 HEK293T, NSUN6KO-DRAM-CBE, ×2 HEK293T, TadA, ×2 HEK293T, APOBEC1, ×2

Supports a between-group comparison across 20 samples.

How we read this: 8 replicated groups read from 20 sample titles; they account for 20 of them. These groups are guessed from the sample names, not taken from the paper, so check them against the sample list below before relying on them.

Samples in this study
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