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An Analytical Tool-box for Comprehensive Biochemical, Structural and Transcriptome Evaluation of Oral Biofilms Mediated by Mutans Streptococci

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Visual ModuleOrganizer: a graphical interface for the detection and comparative analysis of repeat DNA modules.

Sebastien Tempel¹, Emmanuel Talla¹

¹Aix-Marseille Université, CNRS, LCB, UMR 7283, 13009 Marseille, France.

|April 1, 2014

Summary

Visual ModuleOrganizer optimizes DNA repeat module detection in large genomic sequences. This new tool offers significant speed and memory improvements, enabling easier comparative and evolutionary analyses of repeat sequences.

Keywords:

Compressed suffix tree Graphical interface Maximal repeats Repeat modules

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Published on: December 22, 2017

Area of Science:

Genomics
Bioinformatics
Computational Biology

Background:

DNA repeats, including transposable elements and palindromic sequences, play crucial roles in genome evolution.
The ModuleOrganizer tool was previously developed to detect repeat DNA modules (flexible motifs appearing at least twice in sequences).
Previous ModuleOrganizer implementation faced challenges with large genomic sequences.

Purpose of the Study:

To present Visual ModuleOrganizer, a new graphical interface for an optimized ModuleOrganizer tool.
To enhance the efficiency of detecting repeat DNA modules in large sequences.
To facilitate comparative and evolutionary analyses of repeat sequences.

Main Methods:

Recoded ModuleOrganizer in C++ utilizing compressed suffix tree data structures.
Developed a Java graphical interface for user interaction and result visualization.
Implemented dynamic handling of graphical results based on gene annotations, module overlaps, location, and length.

Main Results:

Achieved at least a 120-fold decrease in average memory usage.
Reduced computation time by at least fourfold for module detection in large sequences.
Demonstrated the tool's utility for comparative and evolutionary analyses of repeat sequences using FoldBack4 sequences as a case study.

Conclusions:

Visual ModuleOrganizer significantly improves the efficiency of detecting and analyzing repeat DNA modules.
The tool enables user-friendly, graphic-based comparative analyses of repeat sequences within reasonable timeframes.
Facilitates the analysis of abundant repeat elements in publicly available genomic databases.