Evidence map›Paper›PMID 32816010›Full record

ArticleFEMS microbiology ecology2020

Bacterial community assembly in Atlantic cod larvae (Gadus morhua): contributions of ecological processes and metacommunity structure.

Ragnhild I Vestrum, Kari J K Attramadal, Olav Vadstein, Madeleine Stenshorne Gundersen, Ingrid Bakke

Abstract read
In one paragraph

Article in FEMS microbiology ecology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing 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

18 citing papers in PubMed.

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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

5 authors.

Ragnhild I VestrumDepartment of Biotechnology and Food Science, NTNU - Norwegian University of Science and Technology, Trondheim, Norway.
Kari J K AttramadalDepartment of Biotechnology and Food Science, NTNU - Norwegian University of Science and Technology, Trondheim, Norway.
Olav VadsteinDepartment of Biotechnology and Food Science, NTNU - Norwegian University of Science and Technology, Trondheim, Norway.
Madeleine Stenshorne GundersenDepartment of Biotechnology and Food Science, NTNU - Norwegian University of Science and Technology, Trondheim, Norway.
Ingrid BakkeDepartment of Biotechnology and Food Science, NTNU - Norwegian University of Science and Technology, Trondheim, Norway.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Many studies demonstrate the importance of the commensal microbiomes to animal health and development. However, the initial community assembly process is poorly understood. It is unclear to what extent the hosts select for their commensal microbiota, whether stochastic processes contribute, and how environmental conditions affect the community assembly. We investigated community assembly in Atlantic cod larvae exposed to distinct microbial metacommunities. We aimed to quantify ecological processes influencing community assembly in cod larvae and to elucidate the complex relationship between the bacteria of the environment and the fish. Selection within the fish was the major determinant for community assembly, but drift resulted in inter-individual variation. The environmental bacterial communities were highly dissimilar from those associated with the fish. Still, differences in the environmental bacterial communities strongly influenced the fish communities. The most striking difference was an excessive dominance of a single OTU (Arcobacter) for larvae reared in two of the three systems. These larvae were exposed to environments with higher fractions of opportunistic bacteria, and we hypothesise that detrimental host-microbe interactions might have made the fish susceptible to Arcobacter colonisation. Despite strong selection within the host, this points to a possibility to steer the metacommunity towards mutualistic host-microbe interactions and improved fish health and survival.

Indexed as

Gadus morhuaGastrointestinal MicrobiomeMicrobiotaAnimalsBacteriaLarvaAtlantic codcommunity assemblyecological processesmetacommunitymicrobial ecologymicrobiota

Identifiers

PMID32816010
PMCPMC7456331

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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.