An individual-based model for the study of Paracoccus denitrificans, a denitrifying bacterium

P. Araujo; A. Gras; M. Ginovart

An individual-based model for the study of Paracoccus denitrificans, a denitrifying bacterium

In: Industrial, medical and environmental applications of microorganisms

Authors:

P. Araujo

P. Araujo ¹Chemical Engineering Faculty, Central University of Ecuador, Ciudad Universitaria Francisco Viteri y Gatto Sobral, P.O. Box. 17-01-3972 Quito,, Ecuador; paraujo@iquce.edu.ec
²Department of Agri-Food Engineering and Biotechnology, Universitat Politècnica de Catalunya, Edifici D4, Esteve Terradas 8, 08860 Castelldefels, Barcelona, Spain; anna.gras@upc.edu

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A. Gras

A. Gras ²Department of Agri-Food Engineering and Biotechnology, Universitat Politècnica de Catalunya, Edifici D4, Esteve Terradas 8, 08860 Castelldefels, Barcelona, Spain; anna.gras@upc.edu

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, and

M. Ginovart

M. Ginovart ³Department of Applied Mathematics III, Universitat Politència de Catalunya, Edifici D4, Esteve Terradas 8, 08860 Castelldefels, Barcelona, Spain; marta.ginovart@upc.edu

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Type:: Chapter

Pages:: 28–33

DOI:: https://doi.org/10.3920/9789086867950_004

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In order to understand some environmental factors that control N₂O production by microbes in agricultural soils, a virtual bioreactor for Paracoccus denitrificans was designed using a culture medium containing succinate as a carbon source, ammonium as nitrogen source and various electron acceptors such as oxygen, nitrate, nitrite, nitrogen monoxide and dinitrogen oxide. INDISIM was the core individual-based model for the bacterial behavior and five metabolic pathways were selected and translated into balanced chemical equations using the Thermodynamic Electron Equivalents Model. This thermodynamic approach is the basis of the individual metabolism that this microbe carries out for its cellular maintenance and production of new biomass. The preliminary simulation results achieved with the implementation of this model in NetLogo showed that it is possible to investigate the behavior of this denitrifying bacterium and some of the outputs regarding the temporal evolutions of the diverse substrates are consistent with previous experimental data carried out with it.

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Industrial, medical and environmental applications of microorganisms

Current status and trends

E-Book ISBN:: 9789086867950

Publisher:: Wageningen Academic

Print Publication Date:: 01 Nov 2014

Subjects
- Life Sciences

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An individual-based model for the study of Paracoccus denitrificans, a denitrifying bacterium

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Industrial, medical and environmental applications of microorganisms

Current status and trends

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