rRNA-related web resources
 
 ARB 16S/18S rRNA database and software environment for sequence data
 SILVA Resource for quality checked and aligned ribosomal RNA sequence data.
 The Ribosomal Database Project II (RDP) 16S rRNA database and online analysis tools
 Greengenes 16S rRNA database and ARB compatible online-workbench
 ARB Probe Library Precalculated potential oligonucleotide probes for all phylogenetic
    entities as inferred from the current ARB database
 PICODIV rRNA Probes for Protists and Cyanobacteria
 PRIMROSE Probe design
 Bellerophon Identification of 16S rRNA chimeric sequences
 RISSC Ribosomal Internal Spacer Sequence Collection
 The European Ribosomal rRNA database Database and online tools
 RIDOM Ribosomal Differentiation of Medical Microorganisms
 EzTaxon 16S rRNA gene sequence of type strains of validly published species
 5S ribosomal RNA Database

 Sapelo Island Microbial Observatory (SIMO) 16S rRNA Database

 rrndb rRNA Operon Number Database
 CRW The Comparative RNA Web Site
 The Ribosomal RNA Mutation Database
 The RNA Modification Database
 The RNA World Website Lists of links on RNA related topics
 The RNA society
 
 
Miscellaneous
 
 Bacterial Nomenclature Up-to-date

 List of Bacterial names with Standing in Nomenclature

 NCBI The National Center for Biotechnology Information
 EMBL-EBI European Bioinformatics Institute
 ASM American Society for Microbiology
 ISME International Society for Microbial Ecology
 microbes.info Microbiology information portal
 
by Alexander Loy, Frank Maixner, Michael Wagner, Matthias Horn
 Acknowledgment
Questions, comments, bug reports, and suggestions are welcome at
 probebase@microbial-ecology.net