(see About rrnDB Versions for changes)
A searchable database documenting variation in ribosomal RNA operons (rrn) in Bacteria and Archaea. Find information such as the 16S gene copy number of an organism by looking up its name under the NCBI or RDP taxonomy or by full-text search of rrnDB's records.
Please cite the use of rrnDB in the following way:
- Stoddard S.F, Smith B.J., Hein R., Roller B.R.K. and Schmidt T.M. (2015) rrnDB: improved tools for interpreting rRNA gene abundance in bacteria and archaea and a new foundation for future development. Nucleic Acids Research ; doi: 10.1093/nar/gku1201 [PMID:25414355]
The current rrnDB version (4.4.4) includes 2,865 Bacterial records representing 1,462 species, and 180 Archaeal records representing 153 species.