Evidence map›Paper›PMID 26824073›Full record

ArticleScience advances2016

Large-scale diversification without genetic isolation in nematode symbionts of figs.

Vladislav Susoy, Matthias Herrmann, Natsumi Kanzaki, Meike Kruger, Chau N Nguyen, Christian Rödelsperger, Waltraud Röseler, Christian Weiler, Robin M Giblin-Davis, Erik J Ragsdale and 1 more

Abstract read
In one paragraph

Article in Science advances, 2016. 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.

  1. The bacteria of a fig community.Microbiology spectrum · 2026
    Article
  2. Description ofJournal of nematology · 2026
    Article
  3. Article
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  5. Article
  6. Article
  7. Description of two newJournal of nematology · 2024
    Article
  8. Review
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Journal of nematology · 2022
    Article
  15. Review
  16. Article
  17. Article
  18. Review
  19. Article
  20. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

11 authors.

Vladislav SusoyMax Planck Institute for Developmental Biology, Department of Evolutionary Biology, Spemannstraße 37, Tübingen 72076, Germany.
Matthias HerrmannMax Planck Institute for Developmental Biology, Department of Evolutionary Biology, Spemannstraße 37, Tübingen 72076, Germany.ORCID 0000-0002-4801-2524
Natsumi KanzakiForest Pathology Laboratory, Forestry and Forest Products Research Institute, 1 Matsunosato, Tsukuba, Ibaraki 305-8687, Japan.
Meike KrugerDepartment of Genetics, University of Pretoria, Pretoria 0002, South Africa.
Chau N NguyenInstitute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Hanoi, Vietnam.ORCID 0000-0001-8187-1227
Christian RödelspergerMax Planck Institute for Developmental Biology, Department of Evolutionary Biology, Spemannstraße 37, Tübingen 72076, Germany.
Waltraud RöselerMax Planck Institute for Developmental Biology, Department of Evolutionary Biology, Spemannstraße 37, Tübingen 72076, Germany.
Christian WeilerMax Planck Institute for Developmental Biology, Department of Evolutionary Biology, Spemannstraße 37, Tübingen 72076, Germany.
Robin M Giblin-DavisFort Lauderdale Research and Education Center, University of Florida-IFAS, 3205 College Avenue, Fort Lauderdale, FL 33314, USA.ORCID 0000-0002-8861-8678
Erik J RagsdaleDepartment of Biology, Indiana University, 915 East 3rd Street, Bloomington, IN 47405, USA.
Ralf J SommerMax Planck Institute for Developmental Biology, Department of Evolutionary Biology, Spemannstraße 37, Tübingen 72076, Germany.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Diversification is commonly understood to be the divergence of phenotypes accompanying that of lineages. In contrast, alternative phenotypes arising from a single genotype are almost exclusively limited to dimorphism in nature. We report a remarkable case of macroevolutionary-scale diversification without genetic divergence. Upon colonizing the island-like microecosystem of individual figs, symbiotic nematodes of the genus Pristionchus accumulated a polyphenism with up to five discrete adult morphotypes per species. By integrating laboratory and field experiments with extensive genotyping of individuals, including the analysis of 49 genomes from a single species, we show that rapid filling of potential ecological niches is possible without diversifying selection on genotypes. This uncoupling of morphological diversification and speciation in fig-associated nematodes has resulted from a remarkable expansion of discontinuous developmental plasticity.

Indexed as

AnimalsBiological EvolutionEcologyFicusGenetic SpeciationGenomeGenotypeNematodaPhylogenyReproductive IsolationSymbiosisadaptive radiationDevelopmental plasticitydiversificationfigsgenetic isolationnematodespredationPristionchus

Identifiers

PMID26824073
PMCPMC4730855

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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.