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Cortex specifications


Unique identifier OMICS_00056
Name Cortex
Alternative names McCortex, cortex_var
Software type Application/Script
Interface Command line interface
Restrictions to use None
Input format FASTA, FASTQ, SAM, BAM & CRAM
Operating system Unix/Linux, Mac OS
Programming languages C
License GNU General Public License version 2.0, MIT License
Computer skills Advanced
Version 0.2
Stability Beta
Maintained Yes


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  • person_outline Isaac Turner <>

Additional information Previous version:

Publications for Cortex

Cortex in publications

PMCID: 5410586
PMID: 28507536
DOI: 10.3389/fmicb.2017.00737

[…] bootstrap iterations in raxml version 8 (). this initial tree and assembly quality metrics were used to guide the selection of a reference strain fsl r8-3655 for comprehensive variant calling using cortex_var (). cortex_var was run with the kmer sizes of 33 and 63 to identify variants across 86 s. cerro genomes, using strain fsl r8-3655 as a reference; high quality snps (qtresh set at 15) […]

PMCID: 5340394
PMID: 28267758
DOI: 10.1371/journal.pone.0173464

[…] two different codes: (1) gatk 3.5 ( using the haplotypecaller tool preceded by bwa, samtools, and picard in accordance with the gatk best practices and (2) cortex_var ( together with its run_calls perl script. the same filtered reads were used for variant calling as for assembly, even […]

PMCID: 5155386
PMID: 27964752
DOI: 10.1186/s13059-016-1090-1

[…] suite [], using either the iberian lynx or the domestic cat genome as references and different sets of samples. in addition, we applied the reference-free and assembly-based strategy implemented in cortex_var []. the two procedures yielded largely concordant results but, as expected by its higher sensitivity to detect singletons, the mapping-based calling dataset yielded more variants, slightly […]

PMCID: 4513841
PMID: 25800749
DOI: 10.1093/nar/gkv248

[…] manufacturer's recommendations. this library was sequenced on a hiseq 2000 (2 × 76 bp reads), yielding 5 680 917 read pairs (∼170× coverage). after quality filtering, fastq files were analyzed with cortex_var (version from the cortex package () using a joint analysis with uti89 (ncbi accession number nc_007946) as the reference genome; the resulting vcf files indicated the known […]

PMCID: 4824278
PMID: 25685890
DOI: 10.1038/ng.3219

[…] analyses. genes specific to rabbit st121 isolates were identified by comparing the sequenced rabbit isolate genome sequences to the human st121 sequences using the print_novel_contigs function of cortex_var v1.0.5.20., based on the core genome mauve alignment (6208 variable sites), the phylogeny of st121 was reconstructed using beast v1.6.1 under the gtr model of nucleotide substitution […]

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Cortex institution(s)
Wellcome Trust Centre for Human Genetics, Oxford, UK; Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, Oxford, UK; European Bioinformatics Institute (EMBL-EBI), Wellcome Genome Campus, Hinxton, UK
Cortex funding source(s)
Supported by the Wellcome Trust (grant numbers 090532/Z/09/Z and 100956/Z/13/Z), Wellcome Trust Research Studentship award (097310/Z/11/Z), a PhD studentship from the BBSRC and a Wellcome Trust/Royal Society Sir Henry Dale Fellowship (grant 102541/Z/13/Z).

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