Evidence map›Paper›PMID 33121541›Full record

ArticleMicrobiome2020

Parallel and non-parallel changes of the gut microbiota during trophic diversification in repeated young adaptive radiations of sympatric cichlid fish.

Andreas Härer, Julián Torres-Dowdall, Sina J Rometsch, Elizabeth Yohannes, Gonzalo Machado-Schiaffino, Axel Meyer

Abstract readVideo-Audio Media
In one paragraph

Article in Microbiome, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing 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

19 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Review
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Neural crest cells as a source of microevolutionary variation.Seminars in cell & developmental biology · 2023
    Review
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. 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

6 authors.

Andreas HärerDepartment of Biology, University of Konstanz, Universitätsstrasse 10, 78457, Konstanz, Germany.
Julián Torres-DowdallDepartment of Biology, University of Konstanz, Universitätsstrasse 10, 78457, Konstanz, Germany.
Sina J RometschDepartment of Biology, University of Konstanz, Universitätsstrasse 10, 78457, Konstanz, Germany.
Elizabeth YohannesDepartment of Biology, University of Konstanz, Universitätsstrasse 10, 78457, Konstanz, Germany.
Gonzalo Machado-SchiaffinoDepartment of Biology, University of Konstanz, Universitätsstrasse 10, 78457, Konstanz, Germany.
Axel MeyerDepartment of Biology, University of Konstanz, Universitätsstrasse 10, 78457, Konstanz, Germany. axel.meyer@uni-konstanz.de.ORCID 0000-0002-0888-8193

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundRecent increases in understanding the ecological and evolutionary roles of microbial communities have underscored the importance of their hosts' biology. Yet, little is known about gut microbiota dynamics during the early stages of ecological diversification and speciation. We sequenced the V4 region of the 16s rRNA gene to study the gut microbiota of Nicaraguan Midas cichlid fish (Amphilophus cf. citrinellus). Specifically, we tested the hypothesis that parallel divergence in trophic ecology in extremely young adaptive radiations from two crater lakes is associated with parallel changes of their gut microbiota.

resultsBacterial communities of fish guts and lake water were highly distinct, indicating that the gut microbiota is shaped by host-specific factors. Among individuals of the same crater lake, differentiation in trophic ecology was weakly associated with gut microbiota differentiation, suggesting that diet, to some extent, affects the gut microbiota. However, differences in trophic ecology were much more pronounced across than within species whereas similar patterns were not observed for taxonomic and functional differences of the gut microbiota. Across the two crater lakes, we could not detect conclusive evidence for parallel changes of the gut microbiota associated with trophic ecology.

conclusionsA lack of clearly differentiated niches during the early stages of ecological diversification might result in non-parallel changes of gut microbial communities, as observed in our study system as well as in other recently diverged fish species. Video Abstract.

Indexed as

Biological EvolutionGastrointestinal MicrobiomeSympatryAnimalsCichlidsGenetic SpeciationLakesNicaraguaRNA, Ribosomal, 16SRNA, Ribosomal, 16S16S rRNA gene sequencingAmphilophus citrinellusNeotropical cichlidsNicaraguaParallel evolutionRapid adaptationStable isotopesTrophic ecology

Identifiers

PMID33121541
PMCPMC7597055

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.