A Mathematical Model of a Denitrification Metabolic Network in Pseudomonas aeruginosa

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dc.contributor.authorArat, Sedaen
dc.contributor.committeechairLaubenbacher, Reinhard C.en
dc.contributor.committeememberBurns, John A.en
dc.contributor.committeememberCiupe, Stanca M.en
dc.contributor.departmentMathematicsen
dc.date.accessioned2014-03-14T21:51:25Zen
dc.date.adate2013-01-23en
dc.date.available2014-03-14T21:51:25Zen
dc.date.issued2012-11-30en
dc.date.rdate2013-01-23en
dc.date.sdate2012-12-14en
dc.description.abstractLake Erie, one of the Great Lakes in North America, has witnessed recurrent summertime low oxygen dead zones for decades. This is a yearly phenomenon that causes microbial production of the greenhouse gas nitrous oxide from denitrification. Complete denitrification is a microbial process of reduction of nitrate to nitrogen gas via nitrite, nitric oxide, and greenhouse gas nitrous oxide. After scanning the microbial community in Lake Erie, Pseudomonas aeruginosa is decided to be examined, not because it is abundant in Lake Erie, but because it can perform denitrification under anaerobic conditions. This study focuses on a mathematical model of the metabolic network in Pseudomonas aeruginosa under denitrification and testable hypotheses generation using polynomial dynamical systems and stochastic discrete dynamical systems. Analysis of the long-term behavior of the system changing the concentration level of oxygen, nitrate, and phosphate suggests that phosphate highly affects the denitrification performance of the network.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-12142012-115546en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-12142012-115546/en
dc.identifier.urihttp://hdl.handle.net/10919/46208en
dc.publisherVirginia Techen
dc.relation.haspartArat_S_T_2012.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectDiscrete Modelsen
dc.subjectSystems Biologyen
dc.subjectDynamical Systemsen
dc.titleA Mathematical Model of a Denitrification Metabolic Network in Pseudomonas aeruginosaen
dc.typeThesisen
thesis.degree.disciplineMathematicsen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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