Arctic MIDORI2 V1_20260908: a curated COI (CO1/COX1) reference database for Arctic marine organisms, based on MIDORI2 GB272

Arctic MIDORI2 V1_20260908 This Arctic MIDORI2 taxonomic database was curated from the original MIDORI2:Leray, Matthieu, Nancy Knowlton, and Ryuji J. Machida. “MIDORI2: A Collection of Quality Controlled, Preformatted, and Regularly Updated Reference Databases for Taxonomic Assignment of Eukaryotic Mitochondrial Sequences.” Environmental DNA 4, no. 4 (2022): 894–907. https://doi.org/10.1002/edn3.303. When using this database, please cite the original as well as the curated version. The version of the original MIDORI2 used is included in the database filename.Version 1 (8 Sep 2026) used GB272. Changelog documenting any changes made to the database, including references (if applicable):MIDORI2_UNIQ_NUC_SP_GB272_CO1_Arctic_curated_applied_changelog_V1_20260908.tsv Latest version of Arctic MIDORI2 in formats for BLAST and MOTHUR:MIDORI2_UNIQ_NUC_SP_GB272_CO1_BLAST_Arctic_curated_V1_20260908.fastaMIDORI2_UNIQ_NUC_SP_GB272_CO1_MOTHUR_Arctic_curated_V1_20260908.fastaMIDORI2_UNIQ_NUC_SP_GB272_CO1_MOTHUR_Arctic_curated_V1_20260908.taxon Python scripts used to extract sequences from GenBank and BOLD including their taxonomy and add to the required files for curation:extract_gene_from_genbank.pyextract_sequence_from_bold.py Python script used to curate MIDORI2:curate_midori2_arctic.py This entire release (curated database files, applied changelog, and Python scripts) is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0): https://creativecommons.org/licenses/by/4.0/ You are free to share, adapt, and reuse this database and code for any purpose, including commercial use, provided appropriate credit is given (see Citation above).