The Lancefield Collection of Streptococcus StrainsThe Lancefield Collection of Streptococcus Strains

M Typing Reference Strains
Strain Directory: M type 1 to 67

Group A:

Type 2 Strains:

M2 Typing Reference Strain: T2/44/RB4/119
10RP172 10RS57 10RS57/20/1 1RP114 1RP172/4/11 (Dead 8/16/1979) 1RP172 1RP256 21RP250 22RS27 (Dead 3/17/1966) 29RP112 32RP38 (?) 34RP124 (by S.A.) 60RS84 7RP111 (by S.A.) A206 by (by Precip. and S.A). A207/22/1 (Dead 4/8/1983) A290B (Also very good by S.A.) A357 (by Precip. and S.A.) A488 A504 A506 A507 A542 A653 A700 A815 A844 B343 B344 B348 B349 B350 (Dead 11/1/1982) B351 B354 (Dead 6/1982) B355 (Dead 11/1/1982) B427 (Dead 6/1982) B441 B456 (Dead 11/8/1982) B459 (by S.A.) B460 B460(1) (by S.A.) B461 B461(1) (by S.A.; Dead 6/1982) B546 (by S.A.) B597 (Dead 6/1982) B599 ("R") B600 ("R") B618 ("R"; Dead 11/1/1982) B911 (by Precip. and S.A.) C132/8/0 C132 C204 (by S.A.) C206 (by S.A.) C207 C214 C216 C32/38/1 (Variant) C394/28/1 ("R") C394 ("R") C394/59/1 ("R") C649A/17B ("R"; Dead 11/8/1982) C649A ("R") C649A/102/1 ("R") C649A/120/3 ("R") C649A/63/1 ("R") C649A/95B/1 ("R"; Dead 11/8/1982) C649A/123/1 ("R") C649A/134/1 ("R") C649B ("R") C753 (by S.A.) C81 (by S.A.) C830 (by S.A.) D444 D626 D633 ("R") D634 (crosses with T28; No "R") D725 ("R") D831 F11? F167A F167A/10/2 F167B F323 F324 ("R") F668 F676 H4/0/5 L01388 L01569 ("R") Lesion 335 T2/44/RB4/119 T2 T2/27/2 T2/44/RB4 T2/44/RB4/91 (Dead 5/25/1983) T2/44 T2/44/1 T2 op. T2/44 (Matt) T2/44 (Glossy) T2 op.(mixed) Type 2