nf-core/fetchngs

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Introduction nf-core/fetchngs is a bioinformatics pipeline to fetch metadata and raw FastQ files from both public and private databases. At present, the pipeline supports SRA / ENA / DDBJ / GEO / Synapse ids (see usage docs). Usage :::note If you are new to Nextflow and nf-core, please refer to this page on how to set-up Nextflow. Make sure to test your setup with -profile test before running the workflow on actual data. ::: First, prepare a samplesheet with your input data that looks as follows: ids.csv: SRR9984183 SRR13191702 ERR1160846 ERR1109373 DRR028935 DRR026872 Each line represents a database id. Please see next section for supported ids. Now, you can run the pipeline using: nextflow run nf-core/fetchngs \ -profile <docker/singularity/.../institute> \ --input ids.csv \ --outdir <OUTDIR> :::warning Please provide pipeline parameters via the CLI or Nextflow -params-file option. Custom config files including those provided by the -c Nextflow option can be used to provide any configuration except for parameters; see docs. ::: For more details and further functionality, please refer to the usage documentation and the parameter documentation. Supported ids Via a single file of ids, provided one-per-line (see example input file) the pipeline performs the following steps: SRA / ENA / DDBJ / GEO ids Resolve database ids back to appropriate experiment-level ids and to be compatible with the ENA API Fetch extensive id metadata via ENA API Download FastQ files: If direct download links are available from the ENA API, fetch in parallel via curl and perform md5sum check Otherwise use sra-tools to download .sra files and convert them to FastQ Collate id metadata and paths to FastQ files in a single samplesheet Synapse ids Resolve Synapse directory ids to their corresponding FastQ files ids via the synapse list command. Retrieve FastQ file metadata including FastQ file names, md5sums, etags, annotations and other data provenance via the synapse show command. Download FastQ files in parallel via synapse get Collate paths to FastQ files in a single samplesheet Pipeline output The columns in the output samplesheet can be tailored to be accepted out-of-the-box by selected nf-core pipelines (see usage docs), these currently include: nf-core/rnaseq nf-core/atacseq Ilumina processing mode of nf-core/viralrecon nf-core/taxprofiler To see the the results of a test run with a full size dataset refer to the results tab on the nf-core website pipeline page. For more details about the output files and reports, please refer to the output documentation. Credits nf-core/fetchngs was originally written by Harshil Patel (@drpatelh) from Seqera Labs, Spain and Jose Espinosa-Carrasco (@JoseEspinosa) from The Comparative Bioinformatics Group at The Centre for Genomic Regulation, Spain. Support for download of sequencing reads without FTP links via sra-tools was added by Moritz E. Beber (@Midnighter) from Unseen Bio ApS, Denmark. The Synapse workflow was added by Daisy Han @daisyhan97 and Bruno Grande @BrunoGrandePhD from Sage Bionetworks, Seattle. Contributions and Support If you would like to contribute to this pipeline, please see the contributing guidelines. For further information or help, don't hesitate to get in touch on the Slack #fetchngs channel (you can join with this invite). Citations If you use nf-core/fetchngs for your analysis, please cite it using the following doi: 10.5281/zenodo.5070524 An extensive list of references for the tools used by the pipeline can be found in the CITATIONS.md file. You can cite the nf-core publication as follows: The nf-core framework for community-curated bioinformatics pipelines. Philip Ewels, Alexander Peltzer, Sven Fillinger, Harshil Patel, Johannes Alneberg, Andreas Wilm, Maxime Ulysse Garcia, Paolo Di Tommaso & Sven Nahnsen. Nat Biotechnol. 2020 Feb 13. doi: 10.1038/s41587-020-0439-x.