LSTrAP

LSTrAP, short for Large Scale Transcriptome Analysis Pipeline, greatly facilitates the construction of co-expression networks from RNA-Seq data. The various tools involved are seamlessly connected and CPU-intensive steps are submitted to a computer cluster automatically.

For more details see the LSTrAP paper below:

Sebastian Proost, Agnieszka Krawczyk and Marek Mutwil (2017) LSTrAP: efficiently combining RNA sequencing data into co-expression networks BMC Bioinformatics 18:444 https://bmcbioinformatics.biomedcentral.com/articles/10.1186/s12859-017-1861-z

Version 1.3 Changelog

Support for PBS / Torque scheduler (note proper configuration is required)
HISAT2 can be used as an alternative to BowTie2 and TopHat 2
Added helper script to do PCA on samples
Parameter names in data.ini changed, additional options added to config.ini. Check the configuration and update the files accordingly.

Workflow

LSTrAP wraps multiple existing tools into a single workflow. To use LSTrAP the following tools need to be installed

Steps in bold are submitted to a cluster. Optional steps can be enabled by adding the flag ‑‑enable‑interpro and/or ‑‑enable‑orthology.

Installation

Before installing make sure your system meets all requirements. A detailed list of supported systems and required software can be found here.

Use git to obtain a copy of the LSTrAP code

git clone https://github.molgen.mpg.de/proost/LSTrAP

Next, move into the directory and copy config.template.ini and data.template.ini

cd LSTrAP
cp config.template.ini config.ini
cp data.template.ini data.ini

Configure config.ini and data.ini using these guidelines

Preparing your data

Before running LSTrAP make sure you have all required data. RNA-Seq data needs to be de-multiplexed and de-barcoded, one file per samples and paired-end files need to be named properly (e.g. sample_one_1.fastq.gz and sample_one_2.fastq.gz).

Instructions on how to do this are included here

Running LSTrAP

Once properly configured for your system and data, LSTrAP can be run using a single simple command (that should be executed on the head node).

./run.py config.ini data.ini

Run using HISAT2

./run.py --use-hisat2 config.ini data.ini

Run with InterProScan and/or OrthoFinder

./run.py --enable-orthology --enable-interpro config.ini data.ini

Furthermore, steps can be skipped (to avoid re-running steps unnecessarily). Use the command below for more info.

./run.py -h

Further reading

Data preparation
LSTrAP output
Quality statistics: How to check the quality of samples and remove problematic samples
Helper scripts: To acquire data from the Sequence Read Archive and process results.

Contact

LSTrAP was developed by Sebastian Proost and Marek Mutwil at the Max-Planck Institute for Molecular Plant Physiology

Acknowledgements and Funding

This work is supported by ERA-CAPS though the EVOREPRO project. The authors would like to thank Andreas Donath for technical support and helpful discussions.

License

LSTrAP is freely available under the MIT License

License

proost/LSTrAP

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