GTDB and RefSeq-RDP databases parsed for the addSpecies() dada2 function.
Both databases were parsed with parsing_DB_dada2_spp_assign.py
python script using as input both databases downloaded at: https://zenodo.org/record/2541239#.XM2UgCOZPOQ.
The python script and a detailed description explaining the code and databases versions can be found at: