A comprehensive on-line resource for quality checked and aligned ribosomal RNA sequence data, free for academic use.
SILVA 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 are the official databases of the software package ARB.
For more background information
Pruesse, E., C. Quast, K. Knittel, B. Fuchs, W. Ludwig, J. Peplies, and F. O. Gl?ckner. SILVA: a comprehensive online resource for quality checked and aligned ribosomal RNA sequence data compatible with ARB. Nuc. Acids Res. 2007; Vol. 35, No. 21, p. 7188-7196
Extended services and support as well as products related to rRNA analysis are offered in the Shop section of the SILVA website.
have been published in Systematic and Applied Microbiology
is now online available in Systematic and Applied ]
Join the Metagenomics 2008 meeting in San Diego and learn more about SILVA and MEGX.net ]
| SSU Parc | SSU Ref | LSU Parc | LSU Ref | |||
|---|---|---|---|---|---|---|
| Minimal length | 300 | 1200/900 | 300 | 1900 | ||
| Quality filtering | basic | strong | basic | strong | ||
| Guide Tree | no | yes | yes | yes | ||
| Release version | 95 | 95 | 95 | 95 | ||
| Release date | 14.07.08 | 14.07.08 | 14.07.08 | 14.07.08 | ||
| Aligned rRNA sequences | 682,303 | 279,862 | 117,756 | 11,124 |
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