Evidence map›Paper›PMID 33159542›Full record

ArticleApplied microbiology and biotechnology2020

The effect of bile acids on the growth and global gene expression profiles in Akkermansia muciniphila.

Tatsuro Hagi, Sharon Y Geerlings, Bart Nijsse, Clara Belzer

Open access · hybridAbstract read
In one paragraph

Article in Applied microbiology and biotechnology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed
2.3field-weighted citation impact, top 9% 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

30 citing papers in PubMed, 48 citations in OpenAlex.

  1. Trial
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  12. In Vitro Models for Investigating Intestinal Host-Pathogen Interactions.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024
    Review
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  14. Omics-based analysis ofMicrobiome research reports · 2024
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  16. Circulating neutrophil anti-pathogen dysfunction in cirrhosis.JHEP reports : innovation in hepatology · 2023
    Review
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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 at 2 institutions in 2 countries.

Tatsuro HagiLaboratory of Microbiology, Wageningen University and Research, 6708 WE, Wageningen, The Netherlands. thagi@affrc.go.jp.ORCID https://orcid.org/0000-0002-0339-2236
Sharon Y GeerlingsLaboratory of Microbiology, Wageningen University and Research, 6708 WE, Wageningen, The Netherlands.
Bart NijsseLaboratory of Systems and Synthetic Biology, Wageningen University and Research, 6708 WE, Wageningen, The Netherlands.
Clara BelzerLaboratory of Microbiology, Wageningen University and Research, 6708 WE, Wageningen, The Netherlands. clara.belzer@wur.nl.
Wageningen University & Research · NLNational Agriculture and Food Research Organization · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Akkermansia muciniphila is a prominent member of the gut microbiota and the organism gets exposed to bile acids within this niche. Several gut bacteria have bile response genes to metabolize bile acids or an ability to change their membrane structure to prevent membrane damage from bile acids. To understand the response to bile acids and how A. muciniphila can persist in the gut, we studied the effect of bile acids and individual bile salts on growth. In addition, the change in gene expression under ox-bile condition was studied. The growth of A. muciniphila was inhibited by ox-bile and the bile salts mixture. Individual bile salts have differential effects on the growth. Although most bile salts inhibited the growth of A. muciniphila, an increased growth was observed under culture conditions with sodium deoxycholate. Zaragozic acid A, which is a squalene synthase inhibitor leading to changes in the membrane structure, increased the susceptibility of A. muciniphila to bile acids. Transcriptome analysis showed that gene clusters associated with an ABC transporter and RND transporter were upregulated in the presence of ox-bile. In contrast, a gene cluster containing a potassium transporter was downregulated. Membrane transporter inhibitors also decreased the tolerance to bile acids of A. muciniphila. Our results indicated that membrane transporters and the squalene-associated membrane structure could be major bile response systems required for bile tolerance in A. muciniphila. KEY POINTS: • The growth of Akkermansia muciniphila was inhibited by most bile salts. • Sodium deoxycholate increased the growth of A. muciniphila. • The genes encoding transporters and hopanoid synthesis were upregulated by ox-bile. • The inhibitors of transporters and hopanoid synthesis reduced ox-bile tolerance.

Indexed as

Bile Acids and SaltsGastrointestinal MicrobiomeAkkermansiaTranscriptomeVerrucomicrobiaBile Acids and SaltsAkkermansia muciniphilaBile acidsTranscriptome

Identifiers

PMID33159542
PMCPMC7671984
OpenAlexW3097267592

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.