Molecular phylogeny analysis using Return time distribution (RTD) based alignment-free sequence analysis method
Project description
RTD Phylogeny
Molecular phylogeny analysis using Return time distribution (RTD) based alignment-free sequence analysis method
Author
Pandurang Kolekar, PhD Bioinformatics
http://orcid.org/0000-0003-0044-0076
E-mail: pandurang.kolekar@gmail.com
Website: http://biosakshat.wixsite.com/pandurang-kolekar
Introduction
Return time distribution (RTD) is a method for alignment-free phylogenetic analysis using nucleotide / protein sequences. The method first computes the RTDs of k-mers and summarize them using the parameters of RTDs viz. mean and standard deviation for each of the sequences. Thus, each sequence is converted into a numeric vector of the size 2*4k. The pair wise distance between numeric vectors of sequences is calculated using Euclidean distance function. The pairwise distance matrix, thus obtained is given as an input to Neighbor-joining clustering algorithm to reconstruct phyogenetic tree.
The statistical details of the method are described in Kolekar et al. 2012
Requirements
Tested on Python 3.7 Please refer to requirements.txt file
Installation
pip install rtd-phylogeny
Quick Start
python -m rtd_phylogeny --help
python -m rtd_phylogeny --version
python -m rtd_phylogeny --fastaFile <input_file> --seqType N --kmerSize 3
Web Server
The web server for RTD-based phylogeny is available from http://bioinfo.unipune.ac.in/RTD/.
Perl Executables
The standalone Perl executables for RTD Phylogeny program are available from http://bioinfo.unipune.ac.in/RTD/download.html.
Citation Information
If you find this program useful please cite it as following,
Kolekar P., Kale M., Kulkarni-Kale U., Alignment-free distance measure based on return time distribution for sequence analysis: Applications to clustering, molecular phylogeny and subtyping, Molecular Phylogenetics and Evolution, (2012) 65(2): 510-522
PubMed ID: 22820020
Feedback
Please do feel free to give your comments / suggestions about this package by any of the following mode.
-
Report an issue on this GitHub repository here
-
E-mail us at rtd.phylogeny@gmail.com
-
Fill the feedback form for the RTD Phylogeny server: Available here
Your feedback is highly valuable!
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