Year of Award

2024

Document Type

Dissertation

Degree Type

Doctor of Philosophy (PhD)

Degree Name

Cellular, Molecular and Microbial Biology

Department or School/College

Division of Biological Sciences

Committee Chair

Travis Wheeler

Commitee Members

Mark Grimes, Jesse Johnson, Stephen Lodmell, Stephen Sprang

Keywords

Alternative Splicing, Exon Discovery, Intron Splicing, Multiple-Sequence Alignment, Sequence Annotation, Translated Similarity Search

Abstract

Pre-mRNA intron splicing is essential to the production of many eukaryotic proteins, but it is relatively uncommon for sequence analysis tools to account for this process in their methods. In this dissertation I present three tools for biological sequence analysis, demonstrating the benefits that they derive from their explicit awareness of intron splicing. First, I present Mirage2, an updated implementation of the Mirage multiple sequence alignment program, which produces alignments of protein isoforms according to spliced genome mapping coordinates. I then present Diviner, which synthesizes the output data produced by Mirage2 to locate novel coding regions on eukaryotic genomes. Finally, I present splash, which produces spliced translated alignments of protein pHMMs to eukaryotic genomes based on the highly sensitive sequence similarity framework of BATH.

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