pansg 0.1.5

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Pansa

Pansa is a command-line tool and a Python package to build a syntelog-based pan-genome matrix.

Overview

• Extract Longest Protein: Extract the longest amino acid sequence for each gene from the DNA sequence file using the GFF3 annotation file for subsequent synteny identification.
• Run DAGchainer: Perform synteny analysis to identify syntenic gene pairs.
• Merge Syntelog Results: Merge syntenic results to generate the final pan-genome matrix.
• Polish Matrix: Generate a more readable and simplified pan-genome matrix, and export it in various formats (PNG, SVG, PDF).
• Other Functions: Includes reading parameters from configuration files, controlling log output levels, and more.

Installation

You can install Pansa using pip:

pip install pansa

Usage

It is recommended to create a new folder to run the processes in this software to avoid unnecessary bugs.

Extract Longest Protein

pansa extract_longest_protein <config_file> --verbose <ERROR|INFO|DEBUG>

Run DAGchainer

pansa blastp_2_dagchainer <config_file> --thread <number_of_threads> --D <distance> --g <gap_length> --A <aligned_pairs> --evalue <evalue_threshold> --verbose <ERROR|INFO|DEBUG>

Merge Syntelog Results

pansa merge <config_file> --output <output_file> --verbose <ERROR|INFO|DEBUG>

Polish Matrix

pansa polish <config_file> --pan_matrix <pan_matrix_file> --outpng --outsvg --outpdf --verbose <ERROR|INFO|DEBUG>

Input File Format

Configuration File Format

The configuration file should contain the following format:

<sample_name>    <fasta_path>    <gff3_path>

For example:

Mo17    data/Zm-Mo17-REFERENCE-CAU-2.0.fa       data/Zm-Mo17-REFERENCE-CAU-2.0_Zm00014ba.gff3
B73     data/Zm-B73-REFERENCE-NAM-5.0.fa        data/Zm-B73-REFERENCE-NAM-5.0_Zm00001eb.1.gff3
Oh7B    data/Zm-Oh7B-REFERENCE-NAM-1.0.fa       data/Zm-Oh7B-REFERENCE-NAM-1.0_Zm00038ab.1.gff3

or:

Mo17    Mo17/Zm-Mo17-REFERENCE-CAU-2.0.fa       Mo17/Zm-Mo17-REFERENCE-CAU-2.0_Zm00014ba.gff3
B73     B73/Zm-B73-REFERENCE-NAM-5.0.fa        B73/Zm-B73-REFERENCE-NAM-5.0_Zm00001eb.1.gff3
Oh7B    Oh7B/Zm-Oh7B-REFERENCE-NAM-1.0.fa       Oh7B/Zm-Oh7B-REFERENCE-NAM-1.0_Zm00038ab.1.gff3

Example

Suppose you have a configuration file config.txt with the following content:

sample1    /data/sample1.fasta    /data/sample1.gff3
sample2    /data/sample2.fasta    /data/sample2.gff3

1. Extract the longest protein sequence:

pansa extract_longest_protein config.txt --verbose INFO

2. Run DAGchainer:

pansa blastp_2_dagchainer config.txt --thread 8 --D 1000000 --g 40000 --A 5 --evalue 1e-5 --verbose INFO

3. Merge syntelog results:

pansa merge config.txt --output SG_test --verbose INFO

4. Polish the matrix:

pansa polish config.txt --pan_matrix SG_test --outpng --outsvg --outpdf --verbose INFO

Log Output Levels

You can control the log output level using the --verbose parameter. The available options are: CRITICAL, ERROR, WARNING, INFO, DEBUG, NOTSET.

Developer Information

For more details and technical support, please contact the developers or visit the project homepage.

E-mail:[e-mail]