Evidence map›Paper›PMID 36797253›Full record

ArticleNature communications2023

DddA homolog search and engineering expand sequence compatibility of mitochondrial base editing.

Li Mi, Ming Shi, Yu-Xuan Li, Gang Xie, Xichen Rao, Damu Wu, Aimin Cheng, Mengxiao Niu, Fengli Xu, Ying Yu and 4 more

Abstract read
In one paragraph

Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed
–field-weighted citation impact
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

42 citing papers in PubMed.

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  16. An engineered mitoCBE facilitates efficient mitochondrial DNA editing and modified mitochondrial transfer.Molecular therapy : the journal of the American Society of Gene Therapy · 2025
    Article
  17. Review
  18. Review
  19. Article
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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

14 authors.

Li Mi *Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing, China.
Ming Shi *Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing, China.
Yu-Xuan LiInstitute of Molecular Medicine, College of Future Technology, Peking University, Beijing, China.
Gang XieAcademy for Advanced Interdisciplinary Studies, Peking University, Beijing, China.ORCID 0000-0001-5672-732X
Xichen RaoSchool of Life Sciences, Peking University, Beijing, China.ORCID 0000-0003-2450-4521
Damu WuSchool of Life Sciences, Peking University, Beijing, China.
Aimin ChengPeking-Tsinghua Center for Life Sciences, Peking University, Beijing, China.
Mengxiao NiuInstitute of Molecular Medicine, College of Future Technology, Peking University, Beijing, China.
Fengli XuInstitute of Molecular Medicine, College of Future Technology, Peking University, Beijing, China.
Ying YuSchool of Life Sciences, Peking University, Beijing, China.
Ning GaoPeking-Tsinghua Center for Life Sciences, Peking University, Beijing, China.ORCID 0000-0003-3067-9993
Wensheng WeiSchool of Life Sciences, Peking University, Beijing, China.ORCID 0000-0002-8053-2423
Xianhua WangInstitute of Molecular Medicine, College of Future Technology, Peking University, Beijing, China.
Yangming WangInstitute of Molecular Medicine, College of Future Technology, Peking University, Beijing, China. yangming.wang@pku.edu.cn.ORCID 0000-0001-6974-6060

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Expanding mitochondrial base editing tools with broad sequence compatibility is of high need for both research and therapeutic purposes. In this study, we identify a DddA homolog from Simiaoa sunii (Ddd_Ss) which can efficiently deaminate cytosine in DC context in double-stranded DNA (dsDNA). We successfully develop Ddd_Ss-derived cytosine base editors (DdCBE_Ss) and introduce mutations at multiple mitochondrial DNA (mtDNA) loci including disease-associated mtDNA mutations in previously inaccessible GC context. Finally, by introducing a single amino acid substitution from Ddd_Ss, we successfully improve the activity and sequence compatibility of DdCBE derived from DddA of Burkholderia cenocepacia (DdCBE_Bc). Our study expands mtDNA editing tool boxes and provides resources for further screening and engineering dsDNA base editors for biological and therapeutic applications.

Indexed as

CRISPR-Cas SystemsGene EditingCytosineDNA, MitochondrialMitochondriaCytosineDNA, Mitochondrial

Identifiers

PMID36797253
PMCPMC9935910

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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.