Evidence map›Paper›PMID 37526286›Full record

ArticleNucleic acids research2023

Single-worm long-read sequencing reveals genome diversity in free-living nematodes.

Yi-Chien Lee, Huei-Mien Ke, Yu-Ching Liu, Hsin-Han Lee, Min-Chen Wang, Yung-Che Tseng, Taisei Kikuchi, Isheng Jason Tsai

Abstract read
In one paragraph

Article in Nucleic acids research, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing 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

20 citing papers in PubMed.

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  5. Review
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  12. Journal of nematology · 2025
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  15. Article
  16. AssessingiScience · 2024
    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

8 authors.

Yi-Chien LeeBiodiversity Research Center, Academia Sinica, Taipei 115, Taiwan.ORCID 0000-0003-2080-7410
Huei-Mien KeDepartment of Microbiology, Soochow University, Taipei, Taiwan.ORCID 0000-0001-5527-0815
Yu-Ching LiuBiodiversity Research Center, Academia Sinica, Taipei 115, Taiwan.ORCID 0000-0001-7747-4376
Hsin-Han LeeBiodiversity Research Center, Academia Sinica, Taipei 115, Taiwan.ORCID 0000-0003-3904-8004
Min-Chen WangMarine Research Station (MRS), Institute of Cellular and Organismic Biology, Academia Sinica, 262 I-Lan County, Taiwan.ORCID 0000-0003-2044-1148
Yung-Che TsengMarine Research Station (MRS), Institute of Cellular and Organismic Biology, Academia Sinica, 262 I-Lan County, Taiwan.ORCID 0000-0001-7489-0403
Taisei KikuchiDepartment of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Chiba 277-8562, Japan.ORCID 0000-0003-2759-9167
Isheng Jason TsaiBiodiversity Research Center, Academia Sinica, Taipei 115, Taiwan.ORCID 0000-0002-2123-5058

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Obtaining sufficient genetic material from a limited biological source is currently the primary operational bottleneck in studies investigating biodiversity and genome evolution. In this study, we employed multiple displacement amplification (MDA) and Smartseq2 to amplify nanograms of genomic DNA and mRNA, respectively, from individual Caenorhabditis elegans. Although reduced genome coverage was observed in repetitive regions, we produced assemblies covering 98% of the reference genome using long-read sequences generated with Oxford Nanopore Technologies (ONT). Annotation with the sequenced transcriptome coupled with the available assembly revealed that gene predictions were more accurate, complete and contained far fewer false positives than de novo transcriptome assembly approaches. We sampled and sequenced the genomes and transcriptomes of 13 nematodes from early-branching species in Chromadoria, Dorylaimia and Enoplia. The basal Chromadoria and Enoplia species had larger genome sizes, ranging from 136.6 to 738.8 Mb, compared with those in the other clades. Nine mitogenomes were fully assembled, and displayed a complete lack of synteny to other species. Phylogenomic analyses based on the new annotations revealed strong support for Enoplia as sister to the rest of Nematoda. Our result demonstrates the robustness of MDA in combination with ONT, paving the way for the study of genome diversity in the phylum Nematoda and beyond.

Indexed as

Caenorhabditis elegansGenomeAnimalsHigh-Throughput Nucleotide SequencingMolecular Sequence AnnotationSequence Analysis, DNA

Identifiers

PMID37526286
PMCPMC10450198

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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.