Evidence map›Paper›PMID 30322929›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2018

Prevalent reliance of bacterioplankton on exogenous vitamin B1 and precursor availability.

Ryan W Paerl, John Sundh, Demeng Tan, Sine L Svenningsen, Samuel Hylander, Jarone Pinhassi, Anders F Andersson, Lasse Riemann

Open access · bronzeAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed
4.3field-weighted citation impact, top 6% 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

34 citing papers in PubMed, 70 citations in OpenAlex.

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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

8 authors at 4 institutions in 3 countries.

Ryan W PaerlMarine Biological Section, Department of Biology, University of Copenhagen, 3000 Helsingør, Denmark; rpaerl@ncsu.edu.ORCID 0000-0003-3980-8181
John SundhDepartment of Biochemistry and Biophysics, National Bioinformatics Infrastructure Sweden, Science for Life Laboratory, Stockholm University, 17121 Solna, Sweden.
Demeng TanMarine Biological Section, Department of Biology, University of Copenhagen, 3000 Helsingør, Denmark.
Sine L SvenningsenBiomolecular Sciences Section, Department of Biology, University of Copenhagen, 2200 Copenhagen, Denmark.ORCID 0000-0001-7322-2681
Samuel HylanderCentre for Ecology and Evolution in Microbial Model Systems, Linnaeus University, SE-39182 Kalmar, Sweden.
Jarone PinhassiCentre for Ecology and Evolution in Microbial Model Systems, Linnaeus University, SE-39182 Kalmar, Sweden.ORCID 0000-0002-6405-1347
Anders F AnderssonDepartment of Gene Technology, Science for Life Laboratory, KTH Royal Institute of Technology, 17121 Solna, Sweden.
Lasse RiemannMarine Biological Section, Department of Biology, University of Copenhagen, 3000 Helsingør, Denmark.ORCID 0000-0001-9207-2543
University of Copenhagen · DKLinnaeus University · SEScience for Life Laboratory · SEStockholm University · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Vitamin B1 (B1 herein) is a vital enzyme cofactor required by virtually all cells, including bacterioplankton, which strongly influence aquatic biogeochemistry and productivity and modulate climate on Earth. Intriguingly, bacterioplankton can be de novo B1 synthesizers or B1 auxotrophs, which cannot synthesize B1 de novo and require exogenous B1 or B1 precursors to survive. Recent isolate-based work suggests select abundant bacterioplankton are B1 auxotrophs, but direct evidence of B1 auxotrophy among natural communities is scant. In addition, it is entirely unknown if bulk bacterioplankton growth is ever B1-limited. We show by surveying for B1-related genes in estuarine, marine, and freshwater metagenomes and metagenome-assembled genomes (MAGs) that most naturally occurring bacterioplankton are B1 auxotrophs. Pyrimidine B1-auxotrophic bacterioplankton numerically dominated metagenomes, but multiple other B1-auxotrophic types and distinct uptake and B1-salvaging strategies were also identified, including dual (pyrimidine and thiazole) and intact B1 auxotrophs that have received little prior consideration. Time-series metagenomes from the Baltic Sea revealed pronounced shifts in the prevalence of multiple B1-auxotrophic types and in the B1-uptake and B1-salvaging strategies over time. Complementarily, we documented B1/precursor limitation of bacterioplankton production in three of five nutrient-amendment experiments at the same time-series station, specifically when intact B1 concentrations were ≤3.7 pM, based on bioassays with a genetically engineered

Indexed as

BacteriaFresh WaterGene Expression Regulation, BacterialGenome, BacterialGenomicsGenotypePlanktonSeawaterThiamineTranscriptomeThiaminebacterioplanktongrowth limitationmetagenomicsthiaminvitamin B1

Identifiers

PMID30322929
PMCPMC6217396
OpenAlexW2897257450

What OpenQuestion holds

Textmetadata
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.