Description

Adds fasta files to a Kraken2 taxonomic database

Input

Name (Type)
Description
Pattern

meta (map)

Groovy Map containing sample information
e.g. [ id:'sample1', single_end:false ]

fasta (file)

fasta file that will be added to the database

*.{fa,fasta,fna,ffn}

taxonomy_names (file)

used for associating sequences with taxonomy IDs

*.dmp

taxonomy_nodes (file)

tree nodes using NCBI taxonomy nomenclature

*.dmp

accession2taxid (file)

associates sequence accession IDs to taxonomy IDs

*.accession2taxid

Output

Name (Type)
Description
Pattern

meta (map)

Groovy Map containing sample information
e.g. [ id:'sample1', single_end:false ]

db (directory)

contains required files to build the database

*/

versions (file)

File containing software versions

versions.yml

Tools

kraken2
MIT

Kraken2 is a system for assigning taxonomic labels to short DNA sequences, usually obtained through metagenomic studies.