Bremen - Germany

The SILVA database project provides comprehensive, quality checked and regularly updated databases of aligned small (16S / 18S, SSU) and large subunit (23S / 28S, LSU) ribosomal RNA (rRNA) sequences for all three domains of life (Bacteria, Archaea and Eukarya).

Silva: Comprehensive Ribosomal RNA Databases

The provided databases comprise SSU and LSU sequences of all three domains. Online search and alignment tools are available and the results can be exported in ARB and FASTA format.