TABLE 1.

Reference Streptococcus species and their 16S rRNA gene sequences used in the study

Streptococcus species	GenBank no.	Strain	Reference
S. anginosus	AF104678	ATCC 33397T = NCTC10713T	16
S. gordonii	AF003931 and D38483	ATCC 10558T = NCTC7865T	Emler et al., 1997, unpublished; 18
S. mitis	AF003929 and D38482	ATCC 49456T = NCTC12261T	Emler et al., 1997, unpublished; 18
S. oralisa	AF003932 and X58308	ATCC 35037T = NCTC11427T	Emler et al., 1997, unpublished; 5
S. parasanguis	AF003933	ATCC 15912T	Emler et al., 1997, unpublished
S. salivarius	AY188352	ATCC 7073T = NCTC8618T	Kiratisin et al., 2003, unpublished
S. sanguis	AF003928	ATCC 10556T	Emler et al., 1997, unpublished
S. sobrinus	AY188349	ATCC 33478T	Kiratisin et al., 2003, unpublished
S. vestibularis	AY188353	ATCC 49124T = NCTC12166T	Kiratisin et al., 2003, unpublished
Streptococcus sp. related to S. mitis	AY281086	ATCC 49296	Kiratisin et al., 2003, unpublished
Streptococcus sp. related to S. mitis	AY005045	Unspecified	27
Streptococcus sp. unrelated to S. mitis	AF432134	Unspecified	20
Streptococcus sp. unrelated to S. mitis	AY278634	Unspecified	25

^aFor differentiation from S. mitis only.