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Visualizing Bacteriophage Evolution Through Sequence And Structural Phylogeny Of Lysin A And Terminase Proteins: An Analysis Of Protein Structure Across Phage Clusters, Maansi Asthana, Alyssa Easton, Julia Mollenhauer, Sean Renwick, Anita Golpalrathnam
Visualizing Bacteriophage Evolution Through Sequence And Structural Phylogeny Of Lysin A And Terminase Proteins: An Analysis Of Protein Structure Across Phage Clusters, Maansi Asthana, Alyssa Easton, Julia Mollenhauer, Sean Renwick, Anita Golpalrathnam
The Journal of Purdue Undergraduate Research
Understanding how genes evolve and persist is a critical part of viral genomics. Bacteriophages can provide unique insight about viral evolution because of their abundance and largely unexplored history. Traditionally, phylogenetic trees have used DNA sequence comparison to visualize evolutionary paths between organisms. However, DNA sequence similarity does not reflect key alterations to protein structure and therefore how the protein performs its function. Phylogenetic trees based on predicted protein structure could provide an alternative lens through which to view evolutionary paths. From each of the 10 largest clusters included in the Actinobacteriophage Database, three mycobacteriophage genomes were selected. Lysin A …