Evidence map›Paper›PMID 33504799›Full record

ArticleNature communications2021

Subtraction-free and bisulfite-free specific sequencing of 5-methylcytosine and its oxidized derivatives at base resolution.

Yibin Liu, Zhiyuan Hu, Jingfei Cheng, Paulina Siejka-Zielińska, Jinfeng Chen, Masato Inoue, Ahmed Ashour Ahmed, Chun-Xiao Song

Open access · goldAbstract read
In one paragraph

Article in Nature communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 51 papers.

0numbers the graph read from it
0cells of the map it votes in
51citing papers in PubMed
5.3field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

51 citing papers in PubMed, 89 citations in OpenAlex.

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  10. Biochemical engineering of 5hmdC-DNA using a Tet3 double-mutant.Computational and structural biotechnology journal · 2026
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 1 institution in 1 country.

Yibin Liu *Ludwig Institute for Cancer Research, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7FZ, UK.
Zhiyuan Hu *Ovarian Cancer Cell Laboratory, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, OX3 9DS, UK.ORCID 0000-0002-1688-6032
Jingfei ChengLudwig Institute for Cancer Research, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7FZ, UK.
Paulina Siejka-ZielińskaLudwig Institute for Cancer Research, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7FZ, UK.
Jinfeng ChenLudwig Institute for Cancer Research, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7FZ, UK.
Masato InoueLudwig Institute for Cancer Research, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7FZ, UK.
Ahmed Ashour AhmedOvarian Cancer Cell Laboratory, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, OX3 9DS, UK.ORCID 0000-0001-6509-2581
Chun-Xiao SongLudwig Institute for Cancer Research, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7FZ, UK. chunxiao.song@ludwig.ox.ac.uk.ORCID 0000-0002-7781-6521
University of Oxford · GB

Funding

U.T. M. D. Anderson Cancer Center SPORE in Ovarian CancerP50CA217685 · NCI · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI BAST, ROBERT C, SOOD, ANIL K · 2017 to 2021
$7.9M
Cancer Research UK 26394Cancer Research UK 27122Cancer Research UK C63763/A26394Cancer Research UK C63763/A27122Department of HealthNCI NIH HHS P50 CA217685
6 · The paper itself

Abstract

Although various methods have been developed for sequencing cytosine modifications, it is still challenging for specific and quantitative sequencing of individual modification at base-resolution. For example, to obtain both true 5-methylcytosine (5mC) and true 5-hydroxymethylcytosine (5hmC) information, the two major epigenetic modifications, it usually requires subtraction of two methods, which increases noise and requires high sequencing depth. Recently, we developed TET-assisted pyridine borane sequencing (TAPS) for bisulfite-free direct sequencing of 5mC and 5hmC. Here we demonstrate that two sister methods, TAPSβ and chemical-assisted pyridine borane sequencing (CAPS), can be effectively used for subtraction-free and specific whole-genome sequencing of 5mC and 5hmC, respectively. We also demonstrate pyridine borane sequencing (PS) for whole-genome profiling of 5-formylcytosine and 5-carboxylcytosine, the further oxidized derivatives of 5mC and 5hmC. This work completes the set of versatile borane reduction chemistry-based methods as a comprehensive toolkit for direct and quantitative sequencing of all four cytosine epigenetic modifications.

Indexed as

Sequence Analysis, DNA5-MethylcytosineAnimalsBase SequenceMiceMouse Embryonic Stem CellsOxidation-ReductionPyridinesSulfites5-hydroxymethylcytosine5-Methylcytosinehydrogen sulfitepyridinePyridinesSulfites

Identifiers

PMID33504799
PMCPMC7840749
OpenAlexW3118684081

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.