Evolutionary Changes in Papillomavirus E2 Protein and Binding Sites
Author Information
Author(s): Adam Rogers, Mackenzie Waltke, Peter C. Angeletti
Primary Institution: Nebraska Center for Virology, School of Biological Sciences, University of Nebraska-Lincoln
Hypothesis
Papillomavirus E2 proteins have evolved different affinities and preferences for E2 binding sites, including spacer nucleotides, which control E2 binding site pre-bend.
Conclusion
The study found significant evolutionary divergence in E2 binding sites and protein sequences among different papillomavirus genera.
Supporting Evidence
- The study identified E2 binding sites in six major papillomavirus genera.
- A significant difference in GC content of the four-nucleotide E2 binding site spacer was found between Alpha and Delta-papillomaviruses.
- Phylogenetic analysis revealed two distinct subgroups within the alpha-papillomavirus genera.
Takeaway
This study looked at how the E2 protein of papillomaviruses has changed over time and how it binds to DNA, which is important for understanding how these viruses work.
Methodology
The study used bioinformatic analysis, multiple sequence alignment, and phylogenetic analysis to examine E2 binding sites and protein sequences across 128 papillomavirus genomes.
Limitations
The study primarily focused on a limited number of papillomavirus types, which may not represent all variations.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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