A DB-type anvi’o artifact. This artifact is typically generated, used, and/or exported by anvi’o (and not provided by the user)..
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This is an Anvi’o database that stores information about your genomes, primarily for use in pangenomic analyses.
You can think of it like this: in a way, a genomes-storage-db is to the the pangenomic workflow what a contigs-db is to the the metagenomic workflow. They both describe key information unique to your particular dataset and are required to run the vast majority of programs.
A genomes storage database contains information about the genomes that you inputted to create it, as well as the genes within them.
Specifically, there are three tables stored in a genomes storage database:
You can generate one of these from an internal-genomes (genomes described in bins), external-genomes (genomes described in contigs-dbs), or both using the program anvi-gen-genomes-storage.
With one of these, you can run anvi-pan-genome to get a pan-db. If a genomes storage database is the contigs-db of pangenomics, then a pan-db is the profile-db. It contains lots of information that is vital for analysis, and most programs will require both the pan-db and its genomes storage database as an input.
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