Evidence map›Paper›PMID 32539750›Full record

ArticleBMC microbiology2020

Impacts of a novel defensive symbiosis on the nematode host microbiome.

Dylan Dahan, Gail M Preston, Jordan Sealey, Kayla C King

Open access · goldAbstract read
In one paragraph

Article in BMC microbiology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
0.7field-weighted citation impact, top 33% 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

8 citing papers in PubMed, 22 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Article
  5. Article
  6. Comparative Nanopore Sequencing-Based Evaluation of the Midgut Microbiota of the Summer Chafer (International journal of environmental research and public health · 2022
    Article
  7. Review
  8. 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

4 authors at 2 institutions in 2 countries.

Dylan DahanDepartment of Zoology, University of Oxford, Oxford, OX1 3SZ, UK.
Gail M PrestonDepartment of Plant Sciences, University of Oxford, Oxford, OX1 3RB, UK.
Jordan SealeyDepartment of Zoology, University of Oxford, Oxford, OX1 3SZ, UK.
Kayla C KingDepartment of Zoology, University of Oxford, Oxford, OX1 3SZ, UK. kayla.king@zoo.ox.ac.uk.
University of Oxford · GBStanford University · US

Funding

Biotechnology and Biological Sciences Research Council BB/M011224/1European Research Council COEVOPRO 802242
6 · The paper itself

Abstract

backgroundBacteria adapted to live within animals can protect their hosts against harmful infections. Beyond antagonism with pathogens, a 'defensive' bacterial symbiont could engage in additional interactions with other colonizing micro-organisms. A single bacterium might thus have cascading ecological impacts on the whole microbiome that are rarely investigated. Here, we assess the role of a defensive symbiont as a driver of host-associated microbiota composition by using a bacterial species (Enterococcus faecalis) that was previously experimentally adapted to a nematode host model (Caenorhabditis elegans).

resultsAn analysis of 16S rRNA data from C. elegans exposed to E. faecalis and subsequently reared in soil, reveal that symbiont adaptation to host environment or its protective potential had minimal impact on microbiota diversity. Whilst the abundance of Pseudomonas was higher in the microbiota of hosts with protective E.faecalis (and another protective species tested), a few other genera - including Serratia and Salinispora - were less abundant in hosts colonized by all E. faecalis strains. In addition, the protective effect of E. faecalis against virulent Staphylococcus aureus pathogens was maintained despite multi-species interactions within the microbiota.

conclusionsOur results reveal the degree to which a new, evolving symbiont can colonise and maintain pathogen-resistance with minimal disruption to host microbiota diversity.

Indexed as

Disease ResistanceAnimalsBacteriaCaenorhabditis elegansDNA, BacterialDNA, RibosomalEnterococcus faecalisMicrobiotaPhylogenyRNA, Ribosomal, 16SSequence Analysis, DNASymbiosisDNA, BacterialDNA, RibosomalRNA, Ribosomal, 16SCaenorhabditis elegansDefensive symbiosisEnterococcus faecalisEvolutionMicrobiomePathogenProtection

Identifiers

PMID32539750
PMCPMC7296725
OpenAlexW3035461867

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.