nanomd 0.4.0

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nanoMD

nanoMD(Nanopore direct RNA sequencing Multi-dimensional analysis) was developed to synchronously analyze the changes in m6A sites, genes, and isoforms, and new mRNA.

Table of Contents

• nanoMD
• Table of Contents
• Overview
• Requirements
• nanoMD modules
  • nanomd gene
  • Usage
  • nanomd isoform
  • Usage
  • nanomd modification sites
  • Usage
  • nanomd nascentRNA
  • Usage
• Scripts
  • detect5EU.py
  • Usage
• Docker
• Conda Environment
• Cite nanoMD

Overview

nanoMD is designed to work with the output of the ONT direct RNA sequencing platform and can be used to identify new m6A sites, genes, and isoforms, as well as detect and quantify new mRNA.

It is recommended to use the docker or conda environment to run the pipeline.

Requirements

1. Python 3.6+
2. Python modules:
   • pandas
   • numpy
   • scipy
   • sklearn
   • matplotlib
   • seaborn
   • pysam
3. minimap2
4. samtools
5. bedtools
6. flair
7. tombo
8. mines
9. metaPlotR

nanoMD modules

nanomd.py is the main module of nanoMD, which includes the following sub-modules:

• gene
• isoform
• detectMod
• nascentRNA

nanomd gene

Usage

nanomd gene -i ../input/{}/pass.fq.gz -r ../reference/fasta/genome.fa -o ./{}_gene.sam --parms '--secondary=no --cs -a --sam-hit-only'

nanomd isoform

Usage

nanomd isoform -i ../input/{}/pass.fq.gz -r ../reference/fasta/transcripts.fa -o ./{}_transcripts.sam

nanomd modification sites

Usage

nanomd detectMod -i ../input/{}/pass.fq.gz -s ../01_map_gene/{}_gene.sam -b ../reference/genes/genes.bed -r ../reference/genes/region_sizes.txt -p {}

nanomd nascentRNA

Usage

nanomd nascentRNA -i ../input/{}/pass.fq.gz -s ../01_map_gene/{}_gene.sam -r ../reference/fasta/transcripts.fa -m ~/soft/newRNA.pkl -p {}

Scripts

We provide a set of standalone scripts for 5EU detection and quantification.

detect5EU.py

This script detects 5' untranslated regions (5EU) from the ONT direct RNA sequencing data.

Usage

python detect5EU.py -i sample.fastq -o 5EU.bed

Docker

If the user has docker installed, the following command can be used to run the pipeline in a docker container:

docker run -v /path/to/data:/data -it nanomd/nanomd:latest /bin/bash

Conda Environment

If the user has conda installed, the following command can be used to create a conda environment for nanoMD:

1. Install conda
2. Create a new conda environment: conda create -n nanomd python=3.6
3. Activate the environment: conda activate nanomd
4. Install the required packages: conda install -c bioconda minimap2 samtools bedtools flair tombo mines
5. Install the required python packages: pip install pandas numpy scipy sklearn matplotlib seaborn pysam
6. Clone the nanoMD repository: git clone https://github.com/epibiotek/nanomd.git
7. Run the pipeline: python nanomd/nanomd.py gene -i sample -f genome.cdna.fa -e 0.005 -o gene

Cite nanoMD

If you use nanoMD in your research, please cite the following paper: