Evidence map›Paper›PMID 27449000›Full record

ArticleArchives of microbiology2016

Probiotic properties of Oxalobacter formigenes: an in vitro examination.

Melissa L Ellis, Alexander E Dowell, Xingsheng Li, John Knight

Abstract read
In one paragraph

Article in Archives of microbiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing 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

12 citing papers in PubMed.

  1. InducingKidney international reports · 2025
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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.

Melissa L EllisDepartment of Urology, University of Alabama at Birmingham, Birmingham, AL, USA.
Alexander E DowellDepartment of Urology, University of Alabama at Birmingham, Birmingham, AL, USA.
Xingsheng LiDepartment of Urology, University of Alabama at Birmingham, Birmingham, AL, USA.
John KnightDepartment of Urology, University of Alabama at Birmingham, Birmingham, AL, USA. knight74@uab.edu.

Funding

Oxalobacter formigenes colonization and oxalate excretion in calcium oxalate kidney stone diseaseR01DK087967 · NIDDK · WAKE FOREST UNIVERSITY HEALTH SCIENCES · PI KNIGHT, JOHN · 2011 to 2020
$3.5M
NIDDK NIH HHS R01 DK087967
6 · The paper itself

Abstract

Oxalobacter formigenes (O. formigenes) is a nonpathogenic, Gram-negative, obligate anaerobic bacterium that commonly inhabits the human gut and degrades oxalate as its major energy and carbon source. Results from a case-controlled study suggested that lack of O. formigenes colonization is a risk factor for recurrent calcium oxalate stone formation. Hence, O. formigenes colonization may prove to be an efficacious method for limiting calcium oxalate stone risk. However, challenges exist in the preparation of O. formigenes as a successful probiotic due to it being an anaerobe with fastidious growth requirements. Here we examine in vitro properties expected of a successful probiotic strain. The data show that the Group 1 O. formigenes strain OxCC13 is sensitive to pH < 5.0, persists in the absence of oxalate, is aerotolerant, and survives for long periods when freeze-dried or mixed with yogurt. These findings highlight the resilience of this O. formigenes strain to some processes and conditions associated with the manufacture, storage and distribution of probiotic strains.

Indexed as

Gastrointestinal MicrobiomeCarbonEnergy MetabolismHumansOxalatesOxalobacter formigenesProbioticsRisk FactorsCarbonOxalatesIntestineOxalateOxalobacter formigenesProbiotic

Identifiers

PMID27449000
PMCPMC5083200

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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.