Generic consensus construction from VCF calls
Version 1

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Workflow Type: Galaxy

Generic consensus building

This workflow generates consensus sequences using a list of variants generated by Variant Calling Workflow.

The workflow accepts a single input:

  • A collection of VCF files

The workflow produces a single output:

  • Consensus sequence for each input VCF file

The workflow can be accessed at usegalaxy.org

SEEK ID: https://workflowhub.eu/workflows/356?version=1

Inputs

ID Name Description Type
Depth-threshold for masking Depth-threshold for masking Sites in the viral genome covered by less than this number of reads are considered questionable and will be masked (with Ns) in the consensus sequence independent of whether a variant has been called at them or not.
  • int?
Reference genome Reference genome The reference genome
  • File
Variant calls Variant calls Collection of VCFs produced by upstream workflows for variation analysis
  • File[]
aligned reads data for depth calculation aligned reads data for depth calculation Fully processed BAMs as generated by upstream workflows for variation analysis. Note: for ARTIC data, these BAMs should NOT have undergone processing with ivar removereads.
  • File[]
min-AF for consensus variant min-AF for consensus variant Only variant calls with an allele-frequency greater this value will be considered consensus variants.
  • float?
min-AF for failed variants min-AF for failed variants Variant calls with an allele frequency higher than this value, but lower than the AF threshold for consensus variants will be considered questionable and the respective sites be masked (with Ns) in the consensus sequence.
  • float?

Steps

ID Name Description
6 bedtools Genome Coverage toolshed.g2.bx.psu.edu/repos/iuc/bedtools/bedtools_genomecoveragebed/2.29.2
7 Compose text parameter value toolshed.g2.bx.psu.edu/repos/iuc/compose_text_param/compose_text_param/0.1.1
8 Compose text parameter value toolshed.g2.bx.psu.edu/repos/iuc/compose_text_param/compose_text_param/0.1.1
9 Compose text parameter value toolshed.g2.bx.psu.edu/repos/iuc/compose_text_param/compose_text_param/0.1.1
10 Filter Filter1
11 SnpSift Filter toolshed.g2.bx.psu.edu/repos/iuc/snpsift/snpSift_filter/4.3+t.galaxy1
12 SnpSift Filter toolshed.g2.bx.psu.edu/repos/iuc/snpsift/snpSift_filter/4.3+t.galaxy1
13 SnpSift Extract Fields toolshed.g2.bx.psu.edu/repos/iuc/snpsift/snpSift_extractFields/4.3+t.galaxy0
14 SnpSift Extract Fields toolshed.g2.bx.psu.edu/repos/iuc/snpsift/snpSift_extractFields/4.3+t.galaxy0
15 Compute toolshed.g2.bx.psu.edu/repos/devteam/column_maker/Add_a_column1/1.6
16 Compute toolshed.g2.bx.psu.edu/repos/devteam/column_maker/Add_a_column1/1.6
17 Compute toolshed.g2.bx.psu.edu/repos/devteam/column_maker/Add_a_column1/1.6
18 Compute toolshed.g2.bx.psu.edu/repos/devteam/column_maker/Add_a_column1/1.6
19 Cut Cut1
20 Cut Cut1
21 Concatenate toolshed.g2.bx.psu.edu/repos/devteam/concat/gops_concat_1/1.0.1
22 Merge toolshed.g2.bx.psu.edu/repos/devteam/merge/gops_merge_1/1.0.0
23 Subtract toolshed.g2.bx.psu.edu/repos/devteam/subtract/gops_subtract_1/1.0.0
24 Compute toolshed.g2.bx.psu.edu/repos/devteam/column_maker/Add_a_column1/1.6
25 Cut Cut1
26 bcftools consensus toolshed.g2.bx.psu.edu/repos/iuc/bcftools_consensus/bcftools_consensus/1.10+galaxy1
27 Collapse Collection toolshed.g2.bx.psu.edu/repos/nml/collapse_collections/collapse_dataset/5.1.0

Outputs

ID Name Description Type
coverage_depth coverage_depth n/a
  • File
low_cov_regions low_cov_regions n/a
  • File
consensus_variants consensus_variants n/a
  • File
filter_failed_variants filter_failed_variants n/a
  • File
chrom_pos_ref_called_variants chrom_pos_ref_called_variants n/a
  • File
chrom_pos_ref_failed_variants chrom_pos_ref_failed_variants n/a
  • File
chrom_pos_ref_called_variants_with_0_based_start chrom_pos_ref_called_variants_with_0_based_start n/a
  • File
chrom_pos_ref_failed_variants_with_0_based_start chrom_pos_ref_failed_variants_with_0_based_start n/a
  • File
chrom_pos_ref_called_variants_with_0_based_start_end chrom_pos_ref_called_variants_with_0_based_start_end n/a
  • File
chrom_pos_ref_failed_variants_with_0_based_start_end chrom_pos_ref_failed_variants_with_0_based_start_end n/a
  • File
called_variant_sites called_variant_sites n/a
  • File
failed_variant_sites failed_variant_sites n/a
  • File
low_cov_regions_plus_filter_failed low_cov_regions_plus_filter_failed n/a
  • File
low_cov_regions_plus_filter_failed_combined low_cov_regions_plus_filter_failed_combined n/a
  • File
masking_regions masking_regions n/a
  • File
masking_regions_with_1_based_start masking_regions_with_1_based_start n/a
  • File
1_based_masking_regions 1_based_masking_regions n/a
  • File
consensus consensus n/a
  • File
multisample_consensus_fasta multisample_consensus_fasta n/a
  • File

Version History

Version 1 (earliest) Created 3rd Jun 2022 at 10:33 by Anton Nekrutenko

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help Creators and Submitter
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Additional credit

Wolfgang Maier

Submitter
License
Creative Commons Attribution 4.0
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Views: 708

Created: 3rd Jun 2022 at 10:33

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