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Next-generation quantitative measurements to validate a model for yeast nitrogen catabolite repression in Saccharomyces cerevisiae

dc.contributor.authorStowers, Chris
dc.contributor.authorBoczko, Erik M.
dc.date.accessioned2007-02-12T14:10:02Z
dc.date.available2007-02-12T14:10:02Z
dc.date.issued2007-02-12T14:10:02Z
dc.identifier.urihttp://hdl.handle.net/1803/185
dc.description.abstractOur work is motivated by the desire to quantitatively measure biological dynamical systems. Our agenda is to describe and understand emergent behavior and to explain the observed super robustness of biological dynamics. The specific system that provides the focus for our work is an ostensibly simple stress response circuit in baker's yeast, Saccharomyces cerevisiae, that regulates the organisms' genetic response to nitrogen limitation called nitrogen catabolite repression (NCR). The circuitry of the network has been well studied for the last 40 years and comparatively much is known about its function, however, little is known about its dynamics. In order to study the dynamics at the same level of sophistication at which we formulate and reason with mathematical models, we require quantitative biophysical and biochemical techniques that are accurate at molecular dimensions on physiological timescales. Such techniques are currently in their infancy. The overall goal is to further develop the tools and techniques to measure the quantitative biological behavior of the NCR circuit well enough to refine a current NCR model and understand how to apply the model to other regulatory networks leading to advances in biology, control theory and beyond. The broader impact of our effort reaches far beyond understanding the molecular physiology of a simple fungal stress response towards a deeper understanding of the underpinnings of why some circuits persist while others do not.en
dc.description.sponsorshipNSF-DMS 0443855en
dc.format.extent4764160 bytes
dc.format.mimetypeapplication/msword
dc.language.isoen_USen
dc.publisherVanderbilt University
dc.publisherVanderbilt University
dc.relation.ispartofseriesDBMI Technical Reportsen
dc.relation.ispartofseries012907en
dc.subjectEngineering strategiesen
dc.subjectMicrophysiometeren
dc.subjectCell cycleen
dc.subjectYeast physiologyen
dc.subjectMicrofluidicsen
dc.subjectNCRen
dc.subjectSaccharomyces cerevisiae Effect of of stress onen
dc.subjectBiological control systems Measurementen
dc.subjectNitrogen Metabolism Regulationen
dc.subjectMolecular dynamicsen
dc.titleNext-generation quantitative measurements to validate a model for yeast nitrogen catabolite repression in Saccharomyces cerevisiaeen
dc.typeTechnical Reporten
dc.description.departmentDepartment of Biomedical Informatics


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