2010
DOI: 10.1186/1759-2208-1-4
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Evolution of metabolic networks: a computational frame-work

Abstract: Background: The metabolic architectures of extant organisms share many key pathways such as the citric acid cycle, glycolysis, or the biosynthesis of most amino acids. Several competing hypotheses for the evolutionary mechanisms that shape metabolic networks have been discussed in the literature, each of which finds support from comparative analysis of extant genomes. Alternatively, the principles of metabolic evolution can be studied by direct computer simulation. This requires, however, an explicit implement… Show more

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Cited by 17 publications
(19 citation statements)
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References 78 publications
(79 reference statements)
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“…Such graph grammar rules have been successfully applied to model chemical reactions with molecular detail [6,19,35]. Therein, a graph grammar rule encodes the molecule graph transformations resulting from a chemical reaction as exemplified in Fig.…”
Section: Graph Grammars and Their Applications In Chemistrymentioning
confidence: 99%
See 1 more Smart Citation
“…Such graph grammar rules have been successfully applied to model chemical reactions with molecular detail [6,19,35]. Therein, a graph grammar rule encodes the molecule graph transformations resulting from a chemical reaction as exemplified in Fig.…”
Section: Graph Grammars and Their Applications In Chemistrymentioning
confidence: 99%
“…A common approach is to formulate such transformations in terms of graph grammars or graph rewrite systems [5,7,37]. This enables a compact but very expressive representation of allowed alterations and allows for sound mathematical analyses of the problems [2,19].…”
Section: Introductionmentioning
confidence: 99%
“…The implementation of the algorithm naturally depends heavily on the representation of transformation rules, which in our implementation is the representation from the Graph Grammar Library (GGL) [15]. The representation is a single graph, with attached vertex and edge properties defining membership of L, K and R, as well as the needed labels.…”
Section: Composing the Rulesmentioning
confidence: 99%
“…Finally, genetic variation operators are applied to the genome (Step E in Figure 2). For a detailed discussion of the various steps of the computational model we refer the reader to Flamm et al (2010).…”
Section: Modelmentioning
confidence: 99%
“…Simulation approaches have shown to be useful in finding and challenging explanations for the evolution of biological networks (Pfeiffer et al, 2005). We have recently proposed a computational framework for the evolution of metabolism (Flamm et al, 2010), modeling all its significant components in a realistic way. In this report we discuss first results from several simulation runs.…”
Section: Introductionmentioning
confidence: 99%