TABLE 1.

Probes and target groups

Probe	Target group	Reference rRNA	Reference
S-*-Univ-1392-c-A-15	All organisms	Escherichia coli	41
S-D-Euca-1379-a-A-16	Eukaryotes	Saccharomyces cerevisiae	17
S-F-Dsv-0687-a-A-16	“Desulfovibrionaceae”	Desulfovibrio salexigens	10
S-*-Dsb-0804-a-A-18	Desulfobacter group	Desulfococcus multivorans	10
S-*-Dscoc-0814-a-A-18	Desulfococcus group	Desulfococcus multivorans	10
S-G-Dsnm-0657-a-A-16a	Desulfonema limicola and Desulfonema magnum	Desulfonema limicola	38

^aThis probe has one nucleotide difference from the sequence of Desulfonema ishimotei (C at position 6).