Identification of cellulolytic hot spring organisms through bioorthogonal labeling

dc.contributor.advisorChairperson, Graduate Committee: Roland Hatzenpichleren
dc.contributor.authorReichart, Nicholas Johnen
dc.contributor.otherThis is a manuscript style paper that includes co-authored chapters.en
dc.date.accessioned2023-02-17T22:29:38Z
dc.date.available2023-02-17T22:29:38Z
dc.date.issued2021en
dc.description.abstractMicrobial physiology is the study of the metabolism and function of microorganisms. The recent expansion of genomic diversity has outpaced the description of physiology. To better understand microbial metabolisms and environmental processes, more detailed research is needed for both novel and undescribed microbes. While many new methods are being developed to describe in situ microbial activity, this dissertation implements bioorthogonal non-canonical amino acid tagging as a proxy to track metabolic activity of microbes under close to environment conditions. Using differential analyses on hot spring microbial communities, we were able to show that certain microbial taxa had preferential activity towards specific incubation amendments. Previous activity-based studies had shown that hot springs were a unique environment for discovering cellulolytic microbes that could be used in industrial processing of plant biomass. Herein, we used computational analysis to screen publicly available metagenomic datasets to identify the enzymatic potential of hot springs worldwide. The wide diversity of taxa and biomass degrading enzymes were investigated and hot springs were further highlighted as a system that could be used to find improvement for the industry of plant biomass degradation and processing. To build upon the cellulolytic potential found in hot spring metagenomic datasets, bioorthogonal non-canonical amino acid tagging coupled with fluorescence-activated cell sorting was applied to the biotechnological relevant field of plant biomass degradation to identify microbes involved in the cellulolytic process. Examination of the active microbes revealed difference in the community when supplemented with cellulose. Taken together, the work in this dissertation served to expand and apply the recent development of activity-based studies used to describe environmental microbial populations, with a focus on plant biomass degradation.en
dc.identifier.urihttps://scholarworks.montana.edu/handle/1/17676
dc.language.isoenen
dc.publisherMontana State University - Bozeman, College of Letters & Scienceen
dc.rights.holderCopyright 2021 by Nicholas John Reicharten
dc.subject.lcshHot springsen
dc.subject.lcshMicroorganismsen
dc.subject.lcshMetabolismen
dc.subject.lcshClassificationen
dc.titleIdentification of cellulolytic hot spring organisms through bioorthogonal labelingen
dc.typeDissertationen
mus.data.thumbpage41en
thesis.degree.committeemembersMembers, Graduate Committee: Valerie Copie; Brent M. Peyton; Matthew Fields; James Wilkingen
thesis.degree.departmentChemistry & Biochemistry.en
thesis.degree.genreDissertationen
thesis.degree.namePhDen
thesis.format.extentfirstpage1en
thesis.format.extentlastpage176en

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