Evidence map›Paper›PMID 24358116›Full record

ArticlePloS one2013

Detailed analysis of the microbial population in Malaysian spontaneous cocoa pulp fermentations reveals a core and variable microbiota.

Esther Meersman, Jan Steensels, Melissa Mathawan, Pieter-Jan Wittocx, Veerle Saels, Nore Struyf, Herwig Bernaert, Gino Vrancken, Kevin J Verstrepen

Abstract read
In one paragraph

Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing 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

32 citing papers in PubMed.

  1. Article
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  5. Phylogenomics of aiScience · 2022
    Article
  6. Functional yeast starter cultures for cocoa fermentation.Journal of applied microbiology · 2022
    Review
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  19. AIMS microbiology · 2020
    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

9 authors.

Esther MeersmanLaboratory for Genetics and Genomics, Centre of Microbial and Plant Genetics (CMPG), KU Leuven, Leuven, Belgium ; Laboratory for Systems Biology, Vlaams Instituut voor Biotechnologie (VIB), Leuven, Belgium.
Jan SteenselsLaboratory for Genetics and Genomics, Centre of Microbial and Plant Genetics (CMPG), KU Leuven, Leuven, Belgium ; Laboratory for Systems Biology, Vlaams Instituut voor Biotechnologie (VIB), Leuven, Belgium.
Melissa MathawanBarry Callebaut AG, Zurich, Switzerland.
Pieter-Jan WittocxLaboratory for Genetics and Genomics, Centre of Microbial and Plant Genetics (CMPG), KU Leuven, Leuven, Belgium ; Laboratory for Systems Biology, Vlaams Instituut voor Biotechnologie (VIB), Leuven, Belgium.
Veerle SaelsLaboratory for Genetics and Genomics, Centre of Microbial and Plant Genetics (CMPG), KU Leuven, Leuven, Belgium ; Laboratory for Systems Biology, Vlaams Instituut voor Biotechnologie (VIB), Leuven, Belgium.
Nore StruyfLaboratory for Genetics and Genomics, Centre of Microbial and Plant Genetics (CMPG), KU Leuven, Leuven, Belgium ; Laboratory for Systems Biology, Vlaams Instituut voor Biotechnologie (VIB), Leuven, Belgium.
Herwig BernaertBarry Callebaut AG, Zurich, Switzerland.
Gino VranckenBarry Callebaut AG, Zurich, Switzerland.
Kevin J VerstrepenLaboratory for Genetics and Genomics, Centre of Microbial and Plant Genetics (CMPG), KU Leuven, Leuven, Belgium ; Laboratory for Systems Biology, Vlaams Instituut voor Biotechnologie (VIB), Leuven, Belgium.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The fermentation of cocoa pulp is one of the few remaining large-scale spontaneous microbial processes in today's food industry. The microbiota involved in cocoa pulp fermentations is complex and variable, which leads to inconsistent production efficiency and cocoa quality. Despite intensive research in the field, a detailed and comprehensive analysis of the microbiota is still lacking, especially for the expanding Asian production region. Here, we report a large-scale, comprehensive analysis of four spontaneous Malaysian cocoa pulp fermentations across two time points in the harvest season and two fermentation methods. Our results show that the cocoa microbiota consists of a "core" and a "variable" part. The bacterial populations show a remarkable consistency, with only two dominant species, Lactobacillus fermentum and Acetobacter pasteurianus. The fungal diversity is much larger, with four dominant species occurring in all fermentations ("core" yeasts), and a large number of yeasts that only occur in lower numbers and specific fermentations ("variable" yeasts). Despite this diversity, a clear pattern emerges, with early dominance of apiculate yeasts and late dominance of Saccharomyces cerevisiae. Our results provide new insights into the microbial diversity in Malaysian cocoa pulp fermentations and pave the way for the selection of starter cultures to increase efficiency and consistency.

Indexed as

FermentationMicrobiotaAcetobacterCacaoLimosilactobacillus fermentumMalaysia

Identifiers

PMID24358116
PMCPMC3864809

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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.