Enumerating constrained elementary flux vectors of metabolic networks

Urbanczik, R (2007). Enumerating constrained elementary flux vectors of metabolic networks. IET systems biology, 1(5), pp. 274-9. Stevenage, UK: IET 10.1049/iet-syb:20060073

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The concept of elementary vector is generalised to the case where the steady-state space of the metabolic network is not a flux cone but is a general polyhedron due to further inhomogeneous constraints on the flows through some of the reactions. On one hand, this allows to selectively enumerate elementary modes which satisfy certain optimality criteria and this can yield a large computational gain compared with full enumeration. On the other hand, in contrast to the single optimum found by executing a linear program, this enables a comprehensive description of the set of alternate optima often encountered in flux balance analysis. The concepts are illustrated on a metabolic network model of human cardiac mitochondria.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Pre-clinic Human Medicine > Institute of Physiology

UniBE Contributor:

Urbanczik, Robert

ISSN:

1751-8849

ISBN:

17907675

Publisher:

IET

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 14:53

Last Modified:

04 May 2014 23:15

Publisher DOI:

10.1049/iet-syb:20060073

PubMed ID:

17907675

Web of Science ID:

000249616500004

URI:

https://boris.unibe.ch/id/eprint/22300 (FactScience: 33924)

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