Inferring Indel Parameters Using a Simulation-Based Approach
In this study, we present a novel methodology to infer indel parameters from multiple sequence alignments (MSAs) based on simulations. Our algorithm searches for the set of evolutionary parameters describing indel dynamics which best fits a given input MSA. In each step of the search, we use parametric bootstraps and the Mahalanobis distance to estimate how well a proposed set of parameters fits input data. Using simulations, we demonstrate that our methodology can accurately infer the indel parameters for a large variety of plausible settings. Moreover, using our methodology, we show that indel parameters substantially vary between three genomic data sets: Mammals, bacteria, and retroviruses. Finally, we demonstrate how our methodology can be used to simulate MSAs based on indel parameters inferred from real data sets.
- Author (aut): Levy Karin, Eli
- Author (aut): Rabin, Avigayel
- Author (aut): Ashkenazy, Haim
- Author (aut): Shkedy, Dafna
- Author (aut): Avram, Oren
- Author (aut): Cartwright, Reed
- Author (aut): Pupko, Tal
- Contributor (ctb): Biodesign Institute