rrNDB
rrnDB
A searchable database documenting variation in ribosomal RNA operons in Bacteria and Archaea.
Curated by the Schmidt Laboratory
at Michigan State University.
Search the database
Estimate the number of rrn operons
Learn more about rrnDB
Cite the rrnDB's NAR article
The current version of rrnDB (3.1.221) includes 1322 Bacterial strains representing 648 species, and 89 Archaeal strains representing 75 species.