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Updated: Mar 26, 2026

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AMAS: a fast tool for alignment manipulation and computing of summary statistics.

Marek L Borowiec1

  • 1Department of Entomology and Nematology, UC Davis , Davis , United States.

Peerj
|February 3, 2016
PubMed
Summary

AMAS is a new Python tool for phylogenetics that efficiently handles large datasets. It manipulates and summarizes sequence alignments, improving computational performance for modern genomic studies.

Keywords:
Alignment propertiesBioinformaticsConcatenationPhylogeneticsPhylogenomics

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Area of Science:

  • Bioinformatics
  • Computational Biology
  • Phylogenetics

Background:

  • Genomic datasets in phylogenetics are rapidly increasing in size.
  • Modern phylogenomic studies require efficient tools for analyzing numerous loci and taxa.
  • Existing tools may lack the computational efficiency for handling large-scale alignment data.

Purpose of the Study:

  • Introduce AMAS (Alignment Manipulation And Summary), a versatile tool for bioinformatics.
  • Provide a computationally efficient solution for manipulating and summarizing large sequence alignments.
  • Facilitate phylogenomic analyses by offering robust data handling capabilities.

Main Methods:

  • AMAS is a command-line utility and Python package.
  • It processes both amino acid and nucleotide alignments.
  • Key functions include format conversion, concatenation, data splitting, and statistical calculations.

Main Results:

  • AMAS efficiently handles very large alignments (hundreds of taxa, thousands of loci).
  • It outperforms other tools in concatenation speed.
  • The tool provides comprehensive statistics on alignment properties, including missing data and site variability.

Conclusions:

  • AMAS is a valuable, computationally efficient tool for modern phylogenomic research.
  • Its ability to handle large datasets and perform complex manipulations simplifies data analysis.
  • The tool is accessible, with no external dependencies, and available as open-source software.