Evidence map›Paper›PMID 34059788›Full record

ArticleCommunications biology2021

Genome of the fatal tapeworm Sparganum proliferum uncovers mechanisms for cryptic life cycle and aberrant larval proliferation.

Taisei Kikuchi, Mehmet Dayi, Vicky L Hunt, Kenji Ishiwata, Atsushi Toyoda, Asuka Kounosu, Simo Sun, Yasunobu Maeda, Yoko Kondo, Belkisyole Alarcon de Noya and 4 more

Open access · goldAbstract read
In one paragraph

Article in Communications biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
4.2field-weighted citation impact, top 6% 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

14 citing papers in PubMed, 24 citations in OpenAlex.

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  6. Molecular characterization ofParasitology · 2025
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  7. Diversity and biology ofInternational journal for parasitology. Parasites and wildlife · 2024
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  10. Genome-wide transcriptome analysis ofFrontiers in cellular and infection microbiology · 2024
    Article
  11. Article
  12. Review
  13. Article
  14. Article
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 at 8 institutions in 4 countries.

Taisei KikuchiFaculty of Medicine, University of Miyazaki, Miyazaki, Japan. taisei_kikuchi@med.miyazaki-u.ac.jp.ORCID 0000-0003-2759-9167
Mehmet DayiFaculty of Medicine, University of Miyazaki, Miyazaki, Japan.
Vicky L HuntDepartment of Biology and Biochemistry, University of Bath, Bath, UK.
Kenji IshiwataDepartment of Tropical Medicine, The Jikei University School of Medicine, Tokyo, Japan.
Atsushi ToyodaComparative Genomics Laboratory, Department of Genomics and Evolutionary Biology, National Institute of Genetics, Mishima, Shizuoka, Japan.ORCID 0000-0002-0728-7548
Asuka KounosuFaculty of Medicine, University of Miyazaki, Miyazaki, Japan.
Simo SunFaculty of Medicine, University of Miyazaki, Miyazaki, Japan.
Yasunobu MaedaFaculty of Medicine, University of Miyazaki, Miyazaki, Japan.
Yoko KondoDivision of Medical Zoology, Department of Microbiology and Immunology, Faculty of Medicine, Tottori University, Yonago, Japan.
Belkisyole Alarcon de NoyaInstitute of Tropical Medicine, Central University of Venezuela, Maracay, Caracas, Venezuela.
Oscar NoyaInstitute of Tropical Medicine, Central University of Venezuela, Maracay, Caracas, Venezuela.
Somei KojimaDepartment of Clinical Laboratory Medicine, Chiba-Nishi General Hospital, Matsudo City, Chiba, Japan.
Toshiaki KuramochiDepartment of Zoology, National Museum of Nature and Science, Tsukuba, Ibaraki, Japan.
Haruhiko MaruyamaFaculty of Medicine, University of Miyazaki, Miyazaki, Japan.
University of Miyazaki · JPCentral University of Venezuela · VEChiba-Nishi General Hospital · JPJikei University School of Medicine · JPNational Institute of Genetics · JPNational Museum of Nature and Science · JPTottori University · JPUniversity of Bath · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The cryptic parasite Sparganum proliferum proliferates in humans and invades tissues and organs. Only scattered cases have been reported, but S. proliferum infection is always fatal. However, S. proliferum's phylogeny and life cycle remain enigmatic. To investigate the phylogenetic relationships between S. proliferum and other cestode species, and to examine the mechanisms underlying pathogenicity, we sequenced the entire genomes of S. proliferum and a closely related non-life-threatening tapeworm Spirometra erinaceieuropaei. Additionally, we performed larvae transcriptome analyses of S. proliferum plerocercoid to identify genes involved in asexual reproduction in the host. The genome sequences confirmed that the S. proliferum has experienced a clearly distinct evolutionary history from S. erinaceieuropaei. Moreover, we found that nonordinal extracellular matrix coordination allows asexual reproduction in the host, and loss of sexual maturity in S. proliferum are responsible for its fatal pathogenicity to humans. Our high-quality reference genome sequences should be valuable for future studies of pseudophyllidean tapeworm biology and parasitism.

Indexed as

AnimalsBase SequenceCell ProliferationCestodaCestode InfectionsGenomeHumansLarvaLife Cycle StagesPhylogenySparganumSpirometra

Identifiers

PMID34059788
PMCPMC8166898
OpenAlexW3164410487

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.