sars-cov-2-pe-illumina-artic-variant-calling/COVID-19-PE-ARTIC-ILLUMINA Version 1
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Tests The workflow for Illumina-sequenced ARTIC data builds on the RNASeq workflow for paired-end data using the same steps for mapping and variant calling, but adds extra logic for trimming ARTIC primer sequences off reads with the ivar package. In addition, this workflow uses ivar also to identify amplicons affected by ARTIC primer-binding site mutations and tries to exclude reads derived from such tainted amplicons when calculating allele-frequencies of other variants.
Inputs
| ID | Name | Description | Type |
|---|---|---|---|
| ARTIC primer BED | #main/ARTIC primer BED | BED file containing ARTIC primer positions. Can be retrieved from https://usegalaxy.eu/u/wolfgang-maier/h/covid-19-resources |
|
| ARTIC primers to amplicon assignments | #main/ARTIC primers to amplicon assignments | Used by ivar trim and ivar removereads for assigning primers to amplicons. Should have one line of tab-separated primer names per amplicon. Can be retrieved from https://usegalaxy.eu/u/wolfgang-maier/h/covid-19-resources |
|
| Minimum DP required after amplicon bias correction | #main/Minimum DP required after amplicon bias correction | At any given variant site use the amplicon bias-corrected recall only if the depth of coverage of the site retains at least this value after amplicon removal. |
|
| Minimum DP_ALT required after amplicon bias correction | #main/Minimum DP_ALT required after amplicon bias correction | At any given variant site use the amplicon bias-corrected recall only if the depth of variant-supporting reads at the site retains at least this value after amplicon removal. |
|
| NC_045512.2 FASTA sequence of SARS-CoV-2 | #main/NC_045512.2 FASTA sequence of SARS-CoV-2 | Fasta sequence for Severe acute respiratory syndrome coronavirus 2 isolate Wuhan-Hu-1, complete genome |
|
| Paired Collection | #main/Paired Collection | Illumina reads from ARTIC assay with fastqsanger encoding |
|
| Read removal maximum AF | #main/Read removal maximum AF | Maximum allele-frequency allowed for a primer binding site mutation to trigger amplicon removal. Variants with AF values above this threshold are treated as fixed variants, which won't generate amplicon bias. |
|
| Read removal minimum AF | #main/Read removal minimum AF | Minimum allele-frequency required for a candidate primer binding site mutation to trigger amplicon removal. Variants with AF values below this threshold are treated as possible false-positives, which are not worth the coverage loss associated with amplicon removal. |
|
Steps
| ID | Name | Description |
|---|---|---|
| 8 | fastp | toolshed.g2.bx.psu.edu/repos/iuc/fastp/fastp/0.23.4+galaxy0 |
| 9 | Compose text parameter value | toolshed.g2.bx.psu.edu/repos/iuc/compose_text_param/compose_text_param/0.1.1 |
| 10 | Compose text parameter value | toolshed.g2.bx.psu.edu/repos/iuc/compose_text_param/compose_text_param/0.1.1 |
| 11 | Map with BWA-MEM | toolshed.g2.bx.psu.edu/repos/devteam/bwa/bwa_mem/0.7.17.2 |
| 12 | Samtools view | toolshed.g2.bx.psu.edu/repos/iuc/samtools_view/samtools_view/1.15.1+galaxy2 |
| 13 | Realign reads | toolshed.g2.bx.psu.edu/repos/iuc/lofreq_viterbi/lofreq_viterbi/2.1.5+galaxy0 |
| 14 | Samtools stats | toolshed.g2.bx.psu.edu/repos/devteam/samtools_stats/samtools_stats/2.0.5 |
| 15 | Insert indel qualities | toolshed.g2.bx.psu.edu/repos/iuc/lofreq_indelqual/lofreq_indelqual/2.1.5+galaxy1 |
| 16 | ivar trim | toolshed.g2.bx.psu.edu/repos/iuc/ivar_trim/ivar_trim/1.4.2+galaxy0 |
| 17 | Call variants | toolshed.g2.bx.psu.edu/repos/iuc/lofreq_call/lofreq_call/2.1.5+galaxy2 |
| 18 | QualiMap BamQC | toolshed.g2.bx.psu.edu/repos/iuc/qualimap_bamqc/qualimap_bamqc/2.2.2d+galaxy3 |
| 19 | SnpSift Filter | toolshed.g2.bx.psu.edu/repos/iuc/snpsift/snpSift_filter/4.3+t.galaxy1 |
| 20 | SnpSift Filter | toolshed.g2.bx.psu.edu/repos/iuc/snpsift/snpSift_filter/4.3+t.galaxy1 |
| 21 | Filter failed datasets | __FILTER_FAILED_DATASETS__ |
| 22 | ivar removereads | toolshed.g2.bx.psu.edu/repos/iuc/ivar_removereads/ivar_removereads/1.4.2+galaxy0 |
| 23 | Flatten collection | __FLATTEN__ |
| 24 | Call variants | toolshed.g2.bx.psu.edu/repos/iuc/lofreq_call/lofreq_call/2.1.5+galaxy2 |
| 25 | MultiQC | toolshed.g2.bx.psu.edu/repos/iuc/multiqc/multiqc/1.11+galaxy1 |
| 26 | bcftools annotate | toolshed.g2.bx.psu.edu/repos/iuc/bcftools_annotate/bcftools_annotate/1.15.1+galaxy3 |
| 27 | SnpSift Filter | toolshed.g2.bx.psu.edu/repos/iuc/snpsift/snpSift_filter/4.3+t.galaxy1 |
| 28 | VCF-VCFintersect: | toolshed.g2.bx.psu.edu/repos/devteam/vcfvcfintersect/vcfvcfintersect/1.0.0_rc3+galaxy0 |
| 29 | bcftools annotate | toolshed.g2.bx.psu.edu/repos/iuc/bcftools_annotate/bcftools_annotate/1.15.1+galaxy3 |
| 30 | Replace Text | toolshed.g2.bx.psu.edu/repos/bgruening/text_processing/tp_replace_in_line/9.3+galaxy0 |
| 31 | SnpEff eff covid19 version | toolshed.g2.bx.psu.edu/repos/iuc/snpeff_sars_cov_2/snpeff_sars_cov_2/4.5covid19 |
| 32 | Lofreq filter | toolshed.g2.bx.psu.edu/repos/iuc/lofreq_filter/lofreq_filter/2.1.5+galaxy0 |
Outputs
| ID | Name | Description | Type |
|---|---|---|---|
| amplicon_removal_output | #main/amplicon_removal_output | n/a |
|
| annotated_softfiltered_variants | #main/annotated_softfiltered_variants | n/a |
|
| annotated_variants | #main/annotated_variants | n/a |
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| annotated_variants_stats | #main/annotated_variants_stats | n/a |
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| bamqc_html_output | #main/bamqc_html_output | n/a |
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| bamqc_raw_output | #main/bamqc_raw_output | n/a |
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| bamqc_raw_output_flattened | #main/bamqc_raw_output_flattened | n/a |
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| fastp_html_report | #main/fastp_html_report | n/a |
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| fastp_json_report | #main/fastp_json_report | n/a |
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| fastp_reads_output | #main/fastp_reads_output | n/a |
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| filtered_mapped_reads | #main/filtered_mapped_reads | n/a |
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| filtered_preliminary_variants | #main/filtered_preliminary_variants | n/a |
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| lost_filter_passing_variants | #main/lost_filter_passing_variants | n/a |
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| mapped_reads | #main/mapped_reads | n/a |
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| mapped_reads_stats | #main/mapped_reads_stats | n/a |
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| preliminary_variants_1 | #main/preliminary_variants_1 | n/a |
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| preliminary_variants_1_filtered | #main/preliminary_variants_1_filtered | n/a |
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| preliminary_variants_2 | #main/preliminary_variants_2 | n/a |
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| preliminary_variants_2_filtered | #main/preliminary_variants_2_filtered | n/a |
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| preprocessing_and_mapping_plots | #main/preprocessing_and_mapping_plots | n/a |
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| preprocessing_and_mapping_reports | #main/preprocessing_and_mapping_reports | n/a |
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| primer_trimmed_filtered_mapped_reads | #main/primer_trimmed_filtered_mapped_reads | n/a |
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| realigned_primer_trimmed_filtered_mapped_reads | #main/realigned_primer_trimmed_filtered_mapped_reads | n/a |
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| realigned_primer_trimmed_filtered_mapped_reads_with_indel_quals | #main/realigned_primer_trimmed_filtered_mapped_reads_with_indel_quals | n/a |
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| variants_fixed | #main/variants_fixed | n/a |
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| variants_fixed_header | #main/variants_fixed_header | n/a |
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| variants_fixed_partial | #main/variants_fixed_partial | n/a |
|
Version History
v0.5.2 (earliest) Created 1st May 2024 at 03:04 by WorkflowHub Bot
Updated to v0.5.2
Frozen
v0.5.24ecb475
Creators and SubmitterLicense
Activity
Views: 124
Created: 1st May 2024 at 03:04
AttributionsNone
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