SimFlu

SimFlu simulates nucleotide sequences of influenza A viruses using codon variation patterns from time-series NCBI sequence data to predict potential future variants.

Key Features:

• Codon Variation Simulation: Utilizes codon variation parameters derived from historical sequence data of influenza A virus subtypes H1N1, H3N2, and H5N1 to generate simulated nucleotide sequences.
• Pre-calculated Parameters: Includes codon variation parameters pre-calculated for sequences isolated between 2000 and 2011.
• Parameter Selection and Seed-based Simulation: Allows selection of specific codon variation parameters and generates simulated nucleotide sequences based on a chosen seed sequence.
• Time-series Data Integration: Leverages time-series sequence data from the National Center for Biotechnology Information (NCBI) annotated since 1997.

Scientific Applications:

• Variant Prediction: Predicts potential future variants of influenza A viruses by simulating codon-level sequence changes over time.
• Vaccine and Antiviral Research: Provides simulated sequence scenarios that can inform vaccine strain selection and antiviral strategy evaluation.
• Evolutionary Analysis: Supports investigation of influenza A viral evolution and mutation dynamics across H1N1, H3N2, and H5N1 subtypes.

Methodology:

Integrates time-series sequence data from NCBI (annotated since 1997) with codon variation parameters pre-calculated for 2000–2011 to generate simulated nucleotide sequences from a chosen seed sequence.