Evidence map›Paper›PMID 35107340›Full record

ArticlemSphere2022

Microbial Nitrogen Transformation Potential in Sediments of Two Contrasting Lakes Is Spatially Structured but Seasonally Stable.

Kathrin B L Baumann, Raoul Thoma, Cameron M Callbeck, Robert Niederdorfer, Carsten J Schubert, Beat Müller, Mark A Lever, Helmut Bürgmann

Abstract read
In one paragraph

Article in mSphere, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing 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

13 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

8 authors.

Kathrin B L BaumannDepartment of Surface Waters-Research and Management, Eawag, Swiss Federal Institute for Aquatic Science and Technology, Kastanienbaum, Switzerland.ORCID 0000-0002-4089-1843
Raoul ThomaDepartment of Surface Waters-Research and Management, Eawag, Swiss Federal Institute for Aquatic Science and Technology, Kastanienbaum, Switzerland.
Cameron M CallbeckDepartment of Surface Waters-Research and Management, Eawag, Swiss Federal Institute for Aquatic Science and Technology, Kastanienbaum, Switzerland.ORCID 0000-0001-7602-3338
Robert NiederdorferDepartment of Surface Waters-Research and Management, Eawag, Swiss Federal Institute for Aquatic Science and Technology, Kastanienbaum, Switzerland.ORCID 0000-0003-2280-1653
Carsten J SchubertDepartment of Surface Waters-Research and Management, Eawag, Swiss Federal Institute for Aquatic Science and Technology, Kastanienbaum, Switzerland.ORCID 0000-0003-1668-5967
Beat MüllerDepartment of Surface Waters-Research and Management, Eawag, Swiss Federal Institute for Aquatic Science and Technology, Kastanienbaum, Switzerland.ORCID 0000-0003-3696-9035
Mark A LeverInstitute of Biogeochemistry and Pollutant Dynamics (IBP), ETH Zurich, Zurich, Switzerland.ORCID 0000-0002-2046-8028
Helmut BürgmannDepartment of Surface Waters-Research and Management, Eawag, Swiss Federal Institute for Aquatic Science and Technology, Kastanienbaum, Switzerland.ORCID 0000-0002-5651-5906

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The nitrogen (N) cycle is of global importance, as N is an essential element and a limiting nutrient in terrestrial and aquatic ecosystems. Excessive anthropogenic N fertilizer usage threatens sensitive downstream aquatic ecosystems. Although freshwater lake sediments remove N through various microbially mediated processes, few studies have investigated the microbial communities involved. In an integrated biogeochemical and microbiological study on a eutrophic and oligotrophic lake, we estimated N removal rates from pore water concentration gradients in sediments. Simultaneously, the abundance of different microbial N transformation genes was investigated using metagenomics on a seasonal and spatial scale. We observed that contrasting nutrient concentrations in sediments were associated with distinct microbial community compositions and significant differences in abundances of various N transformation genes. For both characteristics, we observed a more pronounced spatial than seasonal variability within each lake. The eutrophic Lake Baldegg showed a higher denitrification potential with higher

Indexed as

LakesMicrobiotaEutrophicationNitratesNitrogenNitratesNitrogenanammoxcomammoxdenitrificationDNRAfreshwatermetagenomicsmicrobial ecologynitrificationnitrogen transformationpore water

Identifiers

PMID35107340
PMCPMC8809388

What OpenQuestion holds

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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.