TABLE 1.

Species used to study the specificity of PCR primers and probe for detection of putative P. gingivalis isolates

Bacteria	Species or type
Streptococcus sanguinis	Clinical isolate
Bacteroides fragilis	ATCC 25285
Peptostreptococcus micros	Clinical isolate
Prevotella melaninogenica	ATCC 25845
Prevotella denticola	Clinical isolate
Prevotella intermedia	ATCC 25611
Prevotella nigrescens	NCTC 9338
Porphyromonas endodontalis	Clinical isolate
Bacteroides asaccharolyticus	Clinical isolate
Bacteroides oralis	Clinical isolate