Evidence map›Paper›PMID 30897140›Full record

ArticlePloS one2019

Unassigned diversity of planktonic foraminifera from environmental sequencing revealed as known but neglected species.

Raphaël Morard, Nele M Vollmar, Mattia Greco, Michal Kucera

Abstract read
In one paragraph

Article in PloS one, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing 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

12 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

4 authors.

Raphaël MorardMARUM-Center for Marine Environmental Sciences, University of Bremen, Bremen, Germany.ORCID 0000-0002-1181-5358
Nele M VollmarMARUM-Center for Marine Environmental Sciences, University of Bremen, Bremen, Germany.ORCID 0000-0003-4180-3443
Mattia GrecoMARUM-Center for Marine Environmental Sciences, University of Bremen, Bremen, Germany.ORCID 0000-0003-2416-6235
Michal KuceraMARUM-Center for Marine Environmental Sciences, University of Bremen, Bremen, Germany.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Most research on extant planktonic foraminifera has been directed towards larger species (>0.150 mm) which can be easily manipulated, counted and yield enough calcite for geochemical analyses. This has drawn attention towards the macroperforate clade and created an impression of their numerical and ecological dominance. Drawing such conclusions from the study of such "giants" is a dangerous path. There were times in the evolutionary history of planktonic foraminifera when all species were smaller than 0.1 mm and indeed numerous small taxa, mainly from the microperforate clade, have been formally described from the modern plankton. The significance of these small, obscure and neglected species is poorly characterized and their relationship to the newly discovered hyperabundant but uncharacterized lineages of planktonic foraminifera in metabarcoding datasets is unknown. To determine, who is hiding in the metabarcoding datasets, we carried out an extensive sequencing of 18S rDNA targeted at small and obscure species. The sequences of the newly characterized small and obscure taxa match many of the previously uncharacterized lineages found in metabarcoding data. This indicates that most of the modern diversity in planktonic foraminifera has been taxonomically captured, but the role of the small and neglected taxa has been severely underestimated.

Indexed as

BiodiversityDNA Barcoding, TaxonomicDNA, ProtozoanEvolution, MolecularForaminiferaMicroscopy, Electron, ScanningPhylogenyPhylogeographyPlanktonRNA, Ribosomal, 18SDNA, ProtozoanRNA, Ribosomal, 18S

Identifiers

PMID30897140
PMCPMC6428320

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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.