About: Diversity of microbial communities in open mixed culture fermentations: impact of the pH and carbon source

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About: Diversity of microbial communities in open mixed culture fermentations: impact of the pH and carbon source Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : wasabi.inria.fr associated with source document(s)

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Diversity of microbial communities in open mixed culture fermentations: impact of the pH and carbon source
Creator	Muyzer, Gerard Van Loosdrecht, Mark Kleerebezem, Robbert Temudo, Margarida
source	PMC
abstract	Anaerobic fermentation by an open mixed culture was investigated at different pH values (4–8.5) and with three substrates (glucose, glycerol and xylose). The populations established in each condition were assessed by denaturing gradient gel electrophoresis analysis of the 16S ribosomal RNA gene fragments. The fermentation pattern and the composition of the microbial population were also evaluated when operational variations were imposed (increase of substrate concentration or introduction of a second substrate). The experimental results demonstrated that at low and high pH values, a clearly different fermentation pattern was associated with the dominance of a specialised group of clostridiae. At intermediate pH values, the product spectrum was rather variable and seemed to be sensitive to variations in the microbial community. Different substrates resulted in the establishment of different microbial communities. When fed with a mixture of two substrates, mixotrophic microorganisms (capable of degrading both substrates) were found to overgrow the originally dominant specialists. Overall, the experiments have shown that some operational variables have a clear impact on the fermentation pattern and on the population established. However, a uniform relationship between the process characteristics (associated to a metabolic response) and the microbial population present is not always possible. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (doi:10.1007/s00253-008-1669-x) contains supplementary material, which is available to authorized users.
has issue date	2008-10-01(xsd:dateTime)
bibo:doi	10.1007/s00253-008-1669-x
bibo:pmid	18800185
has license	cc-by-nc
sha1sum (hex)	4fd11aa2463990971e60fa9b9792a7da2245cd49
schema:url	https://doi.org/10.1007/s00253-008-1669-x
resource representing a document's title	Diversity of microbial communities in open mixed culture fermentations: impact of the pH and carbon source
has PubMed Central identifier	PMC7419374
has PubMed identifier	18800185
schema:publication	Appl Microbiol Biotechnol
resource representing a document's body	covid:4fd11aa2463990971e60fa9b9792a7da2245cd49#body_text
is schema:about of	named entity 'substrates' named entity 'carbon' named entity 'fermentations' covid:arg/4fd11aa2463990971e60fa9b9792a7da2245cd49 named entity 'pattern' named entity 'process' named entity 'denaturing gradient gel electrophoresis' named entity 'evaluated' named entity 'fragments' named entity 'substrates' named entity 'variables' named entity 'culture' named entity 'condition' named entity 'intermediate' named entity 'population' named entity 'substrates' named entity 'high pH' named entity 'xylose' named entity 'fermentation' named entity 'microbial' named entity 'ENVIRONMENTAL BIOTECHNOLOGY' named entity 'fermentations' named entity 'glucose' named entity 'denaturants' named entity 'biomass' named entity 'glucose' named entity 'xylose' named entity 'substrates' named entity 'glycerol' named entity 'DGGE' named entity 'glucose' named entity 'selective pressure' named entity 'bicarbonate' named entity 'fermentation' named entity 'DGGE' named entity 'microorganisms' named entity 'substrates' named entity '1,3-propanediol' named entity 'substrate level phosphorylation' named entity 'glycerol' named entity 'glucose' named entity 'glucose' named entity 'DGGE' named entity 'catabolic' named entity 'glucose' named entity 'microbial community' named entity '7.5' named entity 'Millipore' named entity 'microorganisms' named entity 'Milli-Q water' named entity 'butyrate' named entity 'microorganism' named entity 'biomass' named entity 'chemostat' named entity 'substrate' named entity 'sugar' named entity 'substrates' named entity 'high pH' named entity 'PCR' named entity 'glycerol' named entity 'glucose' named entity 'glucose' named entity 'denaturing' named entity 'anaerobic conditions' named entity 'substrate' named entity 'metabolism' named entity 'microorganism' named entity 'butyrate' named entity 'low pH' named entity 'ATP' named entity 'carbohydrates' named entity 'substrates' named entity 'chemostat' named entity 'Xylose' named entity 'Germany' named entity 'ATP' named entity 'glycerol' named entity 'ecosystem'

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