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ska

Link to section 'Introduction' of 'ska' Introduction

SKA (Split Kmer Analysis) is a toolkit for prokaryotic (and any other small, haploid) DNA sequence analysis using split kmers. A split kmer is a pair of kmers in a DNA sequence that are separated by a single base. Split kmers allow rapid comparison and alignment of small genomes, and is particularly suited for surveillance or outbreak investigation. SKA can produce split kmer files from fasta format assemblies or directly from fastq format read sequences, cluster them, align them with or without a reference sequence and provide various comparison and summary statistics. Currently all testing has been carried out on high-quality Illumina read data, so results for other platforms may vary.

Docker hub: https://hub.docker.com/r/staphb/ska
Home page: https://github.com/simonrharris/SKA

Link to section 'Versions' of 'ska' Versions

  • 1.0

Link to section 'Commands' of 'ska' Commands

  • ska

Link to section 'Module' of 'ska' Module

You can load the modules by:

module load biocontainers
module load ska

Link to section 'Example job' of 'ska' Example job

Using #!/bin/sh -l as shebang in the slurm job script will cause the failure of some biocontainer modules. Please use #!/bin/bash instead.

To run ska on our clusters:

#!/bin/bash
#SBATCH -A myallocation     # Allocation name
#SBATCH -t 1:00:00
#SBATCH -N 1
#SBATCH -n 1
#SBATCH --job-name=ska
#SBATCH --mail-type=FAIL,BEGIN,END
#SBATCH --error=%x-%J-%u.err
#SBATCH --output=%x-%J-%u.out

module --force purge
ml biocontainers ska
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