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Energy conservation in the decarboxylation of dicarboxylic acids by fermenting bacteria

Energy conservation in the decarboxylation of dicarboxylic acids by fermenting bacteria

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DIMROTH, Peter, Bernhard SCHINK, 1998. Energy conservation in the decarboxylation of dicarboxylic acids by fermenting bacteria. In: Archives of microbiology. 170(2), pp. 69-77. ISSN 0302-8933. eISSN 1432-072X. Available under: doi: 10.1007/s002030050616

@article{Dimroth1998Energ-8202, title={Energy conservation in the decarboxylation of dicarboxylic acids by fermenting bacteria}, year={1998}, doi={10.1007/s002030050616}, number={2}, volume={170}, issn={0302-8933}, journal={Archives of microbiology}, pages={69--77}, author={Dimroth, Peter and Schink, Bernhard} }

<rdf:RDF xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dspace="http://digital-repositories.org/ontologies/dspace/0.1.0#" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:void="http://rdfs.org/ns/void#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/8202"> <foaf:homepage rdf:resource="http://localhost:8080/jspui"/> <dcterms:issued>1998</dcterms:issued> <dcterms:isPartOf rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/28"/> <dc:contributor>Schink, Bernhard</dc:contributor> <dcterms:rights rdf:resource="http://nbn-resolving.org/urn:nbn:de:bsz:352-20140905103416863-3868037-7"/> <dc:creator>Dimroth, Peter</dc:creator> <dc:format>application/pdf</dc:format> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:41:23Z</dc:date> <dc:language>eng</dc:language> <dcterms:abstract xml:lang="eng">Decarboxylation of dicarboxylic acids (oxalate, malonate, succinate, glutarate, and malate) can serve as the sole energy source for the growth of fermenting bacteria. Since the free energy change of a decarboxylation reaction is small (around 20 kJ per mol) and equivalent to only approximately one-third of the energy required for ATP synthesis from ADP and phosphate under physiological conditions, the decarboxylation energy cannot be conserved by substrate-level phosphorylation. It is either converted (in malonate, succinate, and glutarate fermentation) by membrane-bound primary decarboxylase sodium ion pumps into an electrochemical gradient of sodium ions across the membrane; or, alternatively, an electrochemical proton gradient can be established by the combined action of a soluble decarboxylase with a dicarboxylate/monocarboxylate antiporter (in oxalate and malate fermentation). The thus generated electrochemical Na+ or H+ gradients are then exploited for ATP synthesis by Na+- or H+-coupled F1F0 ATP synthases. This new type of energy conservation has been termed decarboxylation phosphorylation and is responsible entirely for ATP synthesis in several anaerobic bacteria.</dcterms:abstract> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <dc:rights>deposit-license</dc:rights> <dcterms:title>Energy conservation in the decarboxylation of dicarboxylic acids by fermenting bacteria</dcterms:title> <dspace:isPartOfCollection rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/28"/> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:41:23Z</dcterms:available> <dc:creator>Schink, Bernhard</dc:creator> <dcterms:bibliographicCitation>First publ. in: Archives of microbiology 170 (1998), pp. 69-77</dcterms:bibliographicCitation> <dc:contributor>Dimroth, Peter</dc:contributor> <dcterms:hasPart rdf:resource="https://kops.uni-konstanz.de/bitstream/123456789/8202/1/Energy_conservation_in_the_decarboxylation_of_dicarboxylic_acids_by_fermenting_bacteria.pdf"/> <dspace:hasBitstream rdf:resource="https://kops.uni-konstanz.de/bitstream/123456789/8202/1/Energy_conservation_in_the_decarboxylation_of_dicarboxylic_acids_by_fermenting_bacteria.pdf"/> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/8202"/> </rdf:Description> </rdf:RDF>

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