TABLE 3.

Results of ARISA of seven reference strains belonging to different bacterial groups performed with the three tested primer sets

Strain	Phylogenetic group	Result with primer seta
		ITSF/ITSReub	S-D-Bact-1522-b-S-20/ L-D-Bact-132-a-A-18	1406F/23Sr
A. undicula USDA 4903	α-Proteobacteria	++	++	+
R. leguminosarum USDA 2370	α-Proteobacteria	++	+	−
S. meliloti USDA 1002	α-Proteobacteria	++	+	−
E. coli DSMZ 50902	γ-Proteobacteria	++	++	++
P. stutzeri 1015	γ-Proteobacteria	++	+	+
B. cereus DSMZ 31T	Gram positive, low G + C	++	++	++
S. bovis JM 300	Gram positive, low G + C	++	++	++
S. coelicolor M145	Gram positive, high G + C	++	++	+

^a++, peak height between 1,000 and 7,000 fluorescence units; +, peak height lower than 1,000 fluorescence units; −, no peak detected.