TABLE 1.

Comparison of sensitivities and specificities of PCRs for three N. gonorrhoeae strains and isolates of Neisseria spp.

Strain	Species	Amt of double-stranded DNA/reaction mixture	Result by the following PCRa:
			AMPLICOR	16S rRNA	stncppB
DPNG	N. gonorrhoeae	100 ng	P	P	P
DPNG	N. gonorrhoeae	256 fg	P	P	P
DPNG	N. gonorrhoeae	51.2 fg	N	P	P
DPNG	N. gonorrhoeae	10.24 fg		P	P
DPNG	N. gonorrhoeae	2.048 fg		N	N
SNBR143	N. gonorrhoeae	100 ng	P	P	P
SNBR143	N. gonorrhoeae	256 fg	P	P	P
SNBR143	N. gonorrhoeae	51.2 fg	N	P	P
SNBR143	N. gonorrhoeae	10.24 fg		N	P
SNBR143	N. gonorrhoeae	2.048 fg			P
SNBR143	N. gonorrhoeae	0.4096 fg			N
DPG1	N. gonorrhoeae	100 ng	P	P	P
DPG1	N. gonorrhoeae	12.8 pg	P	P	P
DPG1	N. gonorrhoeae	256 fg	N	P	P
DPG1	N. gonorrhoeae	51.2 fg		P	P
DPG1	N. gonorrhoeae	10.24 fg		N	N
NH1	N. subflava	100 ng and crude	N	N	N
NH5	N. subflava	100 ng and crude	N	N	N
NH6	N. subflava	100 ng and crude	N	N	N
NH7	N. subflava	100 ng and crude	P	N	N
NH8	N. subflava	100 ng and crude	P	N	N
NH9	N. subflava	100 ng and crude	P	N	N
NH11	N. subflava	100 ng and crude	N	N	N
NH13	N. subflava	100 ng and crude	N	N	N
NH14	N. subflava	100 ng and crude	P	N	N
NH15	N. subflava	100 ng and crude	P	N	N
NH17	N. subflava	100 ng and crude	N	N	N
NH18	N. subflava	100 ng and crude	P	N	N
NH20	N. subflava	100 ng and crude	N	N	N
DPCIN	N. cinerea	100 ng and crude	N	N	N
DPSIC	N. sicca	100 ng and crude	N	N	N
DPMUC	N. mucosa	100 ng and crude	N	N	N
DPLAC	N. tactamica	100 ng and crude	N	N	N
ATCC 14799	N. subflava	100 ng and crude	N	N	N
ATCC 13102	N. meningitidis	100 ng and crude	N	N	N
RWM25	N. meningitidis	Crude	N	N	N
RWM26	N. meningitidis	Crude	N	N	N
RWM28	N. meningitidis	Crude	N	N	N
RWM29	N. meningitidis	Crude	N	N	N
RWM30	N. subflava	Crude	N	N	N
RWM27	N. cinerea	Crude	N	N	N
RWM38	N. mucosa	Crude	N	N	N
RWM31	N. lactamica	Crude	N	N	N
RWM34	N. lactamica	Crude	N	N	N
RWM35	N. lactamica	Crude	N	N	N
RWM36	N. lactamica	Crude	N	N	N

^aN, negative; P, positive; underscores indicate final positive reaction in dilution series.