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Parasitic growth of Pseudomonas aeruginosa in co-culture with the chitinolytic bacterium Aeromonas hydrophila

Parasitic growth of Pseudomonas aeruginosa in co-culture with the chitinolytic bacterium Aeromonas hydrophila

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JAGMANN, Nina, Hans-Philipp BRACHVOGEL, Bodo PHILIPP, 2010. Parasitic growth of Pseudomonas aeruginosa in co-culture with the chitinolytic bacterium Aeromonas hydrophila. In: Environmental Microbiology. 12(6), pp. 1787-1802. eISSN 1462-2920

@article{Jagmann2010Paras-7858, title={Parasitic growth of Pseudomonas aeruginosa in co-culture with the chitinolytic bacterium Aeromonas hydrophila}, year={2010}, doi={10.1111/j.1462-2920.2010.02271.x}, number={6}, volume={12}, journal={Environmental Microbiology}, pages={1787--1802}, author={Jagmann, Nina and Brachvogel, Hans-Philipp and Philipp, Bodo} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/7858"> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:38:03Z</dc:date> <dc:contributor>Philipp, Bodo</dc:contributor> <dc:creator>Philipp, Bodo</dc:creator> <dc:creator>Jagmann, Nina</dc:creator> <dcterms:issued>2010</dcterms:issued> <dcterms:rights rdf:resource="http://nbn-resolving.org/urn:nbn:de:bsz:352-20140905103416863-3868037-7"/> <dcterms:bibliographicCitation>First publ. in: Environmental Microbiology 12 (2010), 6, pp. 1787-1802</dcterms:bibliographicCitation> <dc:contributor>Jagmann, Nina</dc:contributor> <dc:contributor>Brachvogel, Hans-Philipp</dc:contributor> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/7858"/> <dc:rights>deposit-license</dc:rights> <dc:language>eng</dc:language> <dcterms:abstract xml:lang="eng">Polymer-degrading bacteria face exploitation by opportunistic bacteria that grow with the degradation products without investing energy into production of extracellular hydrolytic enzymes. This scenario was investigated with a co-culture of Aeromonas hydrophila and Pseudomonas aeruginosa with chitin as carbon, nitrogen and energy source. In single cultures, A. hydrophila could grow with chitin, while P. aeruginosa could not. Co-cultures with both strains had a biphasic course. In the first phase, P. aeruginosa grew along with A. hydrophila without affecting it. The second phase was initiated by a rapid inactivation of and a massive acetate release by A. hydrophila. Both processes coincided and were dependent on quorum sensing-regulated production of secondary metabolites by P. aeruginosa. Among these the redox-active phenazine compound pyocyanin caused the release of acetate by A. hydrophila by blocking the citric acid cycle through inhibition of aconitase. Thus, A. hydrophila was forced into an incomplete oxidation of chitin with acetate as end-product, which supported substantial growth of P. aeruginosa in the second phase of the co-culture. In conclusion, P. aeruginosa could profit from a substrate that was originally not bioavailable to it by influencing the metabolism and viability of A. hydrophila in a parasitic way.</dcterms:abstract> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-05-31T22:25:04Z</dcterms:available> <dcterms:title>Parasitic growth of Pseudomonas aeruginosa in co-culture with the chitinolytic bacterium Aeromonas hydrophila</dcterms:title> <dc:creator>Brachvogel, Hans-Philipp</dc:creator> <dc:format>application/pdf</dc:format> </rdf:Description> </rdf:RDF>

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