FastEP

FastEP computes local entropy profiles to detect conserved genomic regions using an enhanced local entropy function (originally introduced by Vinga and Almeida) for information-theoretic genome conservation analysis.


Key Features:

  • Local Entropy Function: Implements a refined local entropy measure, based on the function introduced by Vinga and Almeida, to quantify the information content of genomic segments.
  • Algorithmic Efficiency: Employs a linear time and space algorithm that reduces computational complexity relative to the original quadratic formulation.
  • Normalization Methodology: Applies an alternative normalization strategy to scale entropy calculations across different genomic contexts.
  • Pattern Discovery Capabilities: Detects patterns of unbounded length within genomic sequences.

Scientific Applications:

  • Genome Conservation Analysis: Identifies conserved regions to inform studies of evolutionary pressures and functional constraints in genomes.
  • Large-Scale Genomic Studies: Enables analysis of extensive genomic datasets enabled by its linear time and space complexity.
  • Pattern Discovery in Complex Genomes: Facilitates detection of variable-length sequence patterns in complex genomic architectures.

Methodology:

Computes local entropy values for genomic regions using an enhanced local entropy function, compares these values to a global baseline, applies an alternative normalization strategy, and uses a linear time and space algorithm to detect patterns of unbounded length.

Topics

Details

License:
Other
Tool Type:
command-line tool
Operating Systems:
Linux
Added:
1/22/2015
Last Updated:
11/25/2024

Operations

Publications

Comin M, Antonello M. Fast Entropic Profiler: An Information Theoretic Approach for the Discovery of Patterns in Genomes. IEEE/ACM Transactions on Computational Biology and Bioinformatics. 2014;11(3):500-509. doi:10.1109/tcbb.2013.2297924. PMID:26356018.

Documentation