Evidence map›Paper›PMID 34180601›Full record

ArticleMicrobiologyOpen2021

Niche partitioning of bacterial communities along the stratified water column in the Black Sea.

Mariia Pavlovska, Ievgeniia Prekrasna, Evgen Dykyi, Andrii Zotov, Artem Dzhulai, Alina Frolova, Jaroslav Slobodnik, Elena Stoica

Abstract read
In one paragraph

Article in MicrobiologyOpen, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing 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

6 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.

Mariia PavlovskaState Institution National Antarctic Scientific Center, Kyiv, Ukraine.ORCID 0000-0003-2050-5973
Ievgeniia PrekrasnaState Institution National Antarctic Scientific Center, Kyiv, Ukraine.
Evgen DykyiState Institution National Antarctic Scientific Center, Kyiv, Ukraine.
Andrii ZotovState Institution National Antarctic Scientific Center, Kyiv, Ukraine.
Artem DzhulaiState Institution National Antarctic Scientific Center, Kyiv, Ukraine.
Alina FrolovaInstitute of Molecular Biology and Genetics of NASU, Kyiv, Ukraine.
Jaroslav SlobodnikEnvironmental Institute, Kos, Slovakia.
Elena StoicaNational Institute for Marine Research and Development "Grigore Antipa", Constanta, Romania.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The Black Sea is the largest semi-closed permanently anoxic basin on our planet with long-term stratification. The study aimed at describing the Black Sea microbial community taxonomic and functional composition within the range of depths spanning across oxic/anoxic interface, and to uncover the factors behind both their vertical and regional differentiation. 16S rRNA gene MiSeq sequencing was applied to get the data on microbial community taxonomy, and the PICRUSt pipeline was used to infer their functional profile. The normoxic zone was mainly inhabited by primary producers and heterotrophic prokaryotes (e.g., Flavobacteriaceae, Rhodobacteraceae, Synechococcaceae) whereas the euxinic zone-by heterotrophic and chemoautotrophic taxa (e.g., MSBL2, Piscirickettsiaceae, and Desulfarculaceae). Assimilatory sulfate reduction and oxygenic photosynthesis were prevailing within the normoxic zone, while the role of nitrification, dissimilatory sulfate reduction, and anoxygenic photosynthesis increased in the oxygen-depleted water column part. Regional differentiation of microbial communities between the Ukrainian shelf and offshore zone was detected as well, yet it was significantly less pronounced than the vertical one. It is suggested that regional differentiation within a well-oxygenated zone is driven by the difference in phytoplankton communities providing various substrates for the prokaryotes, whereas redox stratification is the main driving force behind microbial community vertical structure.

Indexed as

MicrobiotaBacteriaBlack SeaChemoautotrophic GrowthDNA, BacterialEcosystemOxidation-ReductionOxygenPhototrophic ProcessesPhylogenyPhytoplanktonRNA, Ribosomal, 16SSeawaterSulfatesWater MicrobiologyDNA, BacterialOxygenRNA, Ribosomal, 16SSulfates16S rRNA geneanoxicBlack Seamicrobial communityPICRUStvertical distribution

Identifiers

PMID34180601
PMCPMC8217838

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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.