Evidence map›Paper›PMID 22927959›Full record

ArticlePloS one2012

Stratification of Archaea in the deep sediments of a freshwater meromictic lake: vertical shift from methanogenic to uncultured archaeal lineages.

Guillaume Borrel, Anne-Catherine Lehours, Olivier Crouzet, Didier Jézéquel, Karl Rockne, Amélie Kulczak, Emilie Duffaud, Keith Joblin, Gérard Fonty

Abstract read
In one paragraph

Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed, 1 pooled it
–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

30 citing papers in PubMed, 1 synthesis or guideline pooled it.

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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

9 authors.

Guillaume BorrelLaboratoire Microorganismes: Génome et Environnement, UMR CNRS 6023, Clermont Université, Aubière, France. Guillaume.borrel@univ-bpclermont.fr
Anne-Catherine Lehours
Olivier Crouzet
Didier Jézéquel
Karl Rockne
Amélie Kulczak
Emilie Duffaud
Keith Joblin
Gérard Fonty

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

As for lineages of known methanogens, several lineages of uncultured archaea were recurrently retrieved in freshwater sediments. However, knowledge is missing about how these lineages might be affected and structured according to depth. In the present study, the vertical changes of archaeal communities were characterized in the deep sediment of the freshwater meromictic Lake Pavin. For that purpose, an integrated molecular approach was performed to gain information on the structure, composition, abundance and vertical stratification of archaeal communities thriving in anoxic freshwater sediments along a gradient of sediments encompassing 130 years of sedimentation. Huge changes occurred in the structure and composition of archaeal assemblages along the sediment core. Methanogenic taxa (i.e. Methanosaeta and Methanomicrobiales) were progressively replaced by uncultured archaeal lineages (i.e. Marine Benthic Group-D (MBG-D) and Miscellaneous Crenarchaeal Group (MCG)) which are suspected to be involved in the methane cycle.

Indexed as

Geologic SedimentsLakesArchaeaDNA, ArchaealDNA, RibosomalMethaneOxygenPolymerase Chain ReactionRNA, ArchaealRNA, Ribosomal, 16SDNA, ArchaealDNA, RibosomalMethaneOxygenRNA, ArchaealRNA, Ribosomal, 16S

Identifiers

PMID22927959
PMCPMC3424224

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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.