Digestomics: elucidating protein catabolism through the quantitative mapping of in vivo, endogenous peptides to the proteome at an amino acid level of resolution.

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dc.contributor.advisorStorey, Douglas G.
dc.contributor.advisorLewis, Ian A.
dc.contributor.authorBingeman, Travis Shane
dc.contributor.committeememberVogel, Hans J.
dc.contributor.committeememberHarrison, Joe J.
dc.date2020-06
dc.date.accessioned2020-03-26T16:00:06Z
dc.date.available2020-03-26T16:00:06Z
dc.date.issued2020-03-13
dc.description.abstractPlasmodium falciparum is the most lethal malaria-causing parasite. During the human stage of its lifecycle it invades erythrocytes and rapidly degrades 65-70% of the cytoplasmic hemoglobin. Despite extensive in vitro investigation of the proteases responsible for this impressive catabolic activity, the definitive purpose of this digestion remains unresolved. Many of the known proteases have been knocked out yet these parasites have minimal growth phenotypes. The common explanation is that proteolytic redundancy allows parasites to survive. I, however, hypothesize that the protease(s) essential for hemoglobin catabolism have yet to be identified. To test this, I developed a new approach to directly investigate in vivo protein catabolism. I analyze a panel of knockout parasites and show that in vivo proteolytic cleavage patterns are unchanged in knockouts, find evidence that published cut sites match poorly to in vivo data and find convincing proteolytic patterns suggesting the presence of previously unidentified cut sites.en_US
dc.identifier.citationBingeman, T. S. (2020). Digestomics: elucidating protein catabolism through the quantitative mapping of in vivo, endogenous peptides to the proteome at an amino acid level of resolution. (Master's thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca.en_US
dc.identifier.doihttp://dx.doi.org/10.11575/PRISM/37647
dc.identifier.urihttp://hdl.handle.net/1880/111752
dc.language.isoengen_US
dc.publisher.facultyScienceen_US
dc.publisher.institutionUniversity of Calgaryen
dc.rightsUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.en_US
dc.subjectPlasmodium falciparumen_US
dc.subjectProteolysisen_US
dc.subjectDigestomicsen_US
dc.subjectMass Spectrometryen_US
dc.subject.classificationBioinformaticsen_US
dc.subject.classificationBiostatisticsen_US
dc.subject.classificationBiology--Cellen_US
dc.subject.classificationGeneticsen_US
dc.subject.classificationMicrobiologyen_US
dc.subject.classificationParasitologyen_US
dc.subject.classificationBiochemistryen_US
dc.subject.classificationComputer Scienceen_US
dc.titleDigestomics: elucidating protein catabolism through the quantitative mapping of in vivo, endogenous peptides to the proteome at an amino acid level of resolution.en_US
dc.typemaster thesisen_US
thesis.degree.disciplineBiological Sciencesen_US
thesis.degree.grantorUniversity of Calgaryen_US
thesis.degree.nameMaster of Science (MSc)en_US
ucalgary.item.requestcopytrueen_US
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