TABLE 1.

Sequences of oligonucleotide probes used for FISH

Probe	Sequence	Specificity	% Formamide	Reference
EUB338c	GCTGCCTCCCGTAGGAGT	Most bacteria	20	1
ALFIba	CGTTCGYTCTGAGCCA	Alphaproteobacteria	20	23
BET42ab	GCCTTCCCACTTCGTTT	Betaproteobacteria	35	23
GAM42ab	GCCTTCCCACATCGTTT	Gammaproteobacteria	35	23
HGC69ab	TATAGTTACCACCGCCGT	Actinobacteria	25	33
LGC354b	YSGAAGATTCCCTACTGC	Some Firmicutes	35	24
CF319ab	TGGTCCGTGTCTCAGTAC	Cytophaga-Flavobacterium of Bacteroidetes	35	23
PLA46b	GACTTGCATGCCTAATCC	Planctomycetales	30	28
ARC915b	GTGCTCCCCCGCCAATTCCT	Archaea	20	34
NonEub338c	ACTCCTACGGGAGGCAGC	Negative control	20	1

^aFluorochrome, fluorescein.

^bFluorochrome, Cy3.

^cFluorochrome, Cy5.