Alignment of biological networks by integer linear programming: virus-host protein-protein interaction networks

BackgroundThe alignment of protein-protein interaction networks was recently formulated as an integer quadratic programming problem, along with a linearization that can be solved by integer linear programming software tools. However, the resulting integer linear program has a huge number of variable...

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Detalles Bibliográficos
Autores: Llabres, Merce, Riera, Gabriel, Rossello, Francesc, Valiente, Gabriel
Tipo de recurso: artículo
Fecha de publicación:2020
País:España
Institución:Conselleria de Salut i Consum del Govern de les Illes Balears
Repositorio:Docusalut
Idioma:inglés
OAI Identifier:oai:docusalut.com:20.500.13003/19432
Acceso en línea:https://hdl.handle.net/20.500.13003/19432
Access Level:acceso abierto
Palabra clave:Software
Protein Interaction Maps
Programming, Linear
Algorithms
Models, Theoretical
Modelos Teóricos
Algoritmos
Programas Informáticos
Mapas de Interacción de Proteínas
Programación Lineal
Systems biology
Virus-host protein-protein interaction
Integer linear programming
Network alignment
Graph matching
Descripción
Sumario:BackgroundThe alignment of protein-protein interaction networks was recently formulated as an integer quadratic programming problem, along with a linearization that can be solved by integer linear programming software tools. However, the resulting integer linear program has a huge number of variables and constraints, rendering it of no practical use.ResultsWe present a compact integer linear programming reformulation of the protein-protein interaction network alignment problem, which can be solved using state-of-the-art mathematical modeling and integer linear programming software tools, along with empirical results showing that small biological networks, such as virus-host protein-protein interaction networks, can be aligned in a reasonable amount of time on a personal computer and the resulting alignments are structurally coherent and biologically meaningful.ConclusionsThe implementation of the integer linear programming reformulation using current mathematical modeling and integer linear programming software tools provided biologically meaningful alignments of virus-host protein-protein interaction networks.