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Interplay of two quorum sensing regulation systems of Vibrio fischeri.

J. Theor. Biol. 251, 167-180 (2008)
DOI
Open Access Green as soon as Postprint is submitted to ZB.
Many bacteria developed a possibility to recognise aspects of their environment or to communicate with each other by chemical signals. An important strategy is the so-called quorum sensing (QS), a regulatory mechanism for the gene expression, where the bacteria measure their own cell density by means of this signalling pathway. One of the best-studied species using QS is the marine luminescent bacterium Vibrio fischeri which is considered here as a model organism. The two main regulatory pathways (lux and ain) are combined to a regulation system, the dynamics is modelled by an ODE system. This system is analysed thoroughly, considering stationary states, dynamical behaviour and the possible biological meaning of it. The influence of different parameter values on the behaviour is examined, the same basic system is able to reflect the peculiarities of different bacteria strains (respectively, their mutants).
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Publication type Article: Journal article
Document type Scientific Article
Keywords Quorum sensing; ODE system; Stationary states; Model validation; Qualitative behaviour
Language
Publication Year 2008
HGF-reported in Year 2008
ISSN (print) / ISBN 0022-5193
e-ISSN 1095-8541
Quellenangaben Volume: 251, Issue: 1, Pages: 167-180 Article Number: , Supplement: ,
Publisher Elsevier
Reviewing status Peer reviewed
PSP Element(s) G-503800-002
Scopus ID 39149145483
Erfassungsdatum 2008-09-16