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 12 Strains:

M12 Typing Reference Strain: T12/126/4
10RP46 10RS/14 10RS14/9/1 10RS14/16/0 11RP18 11RS14 (LN) 12RP18 (Dead 7/16/1979) 12RP46 (TH) 12RS32 (RN) 12RS32 (LN) 12RS32 (TH; Dead 3/17/1966) 13RS14 (RN) 13RS32 (RN) 15RP140 (Dead 10/25/1979) 1RP187 29RP120 2RP196 2RP294 5RP43 65HC (Crosses with T39) 9RP111 9RP217 A200 A201 A204 A205 A221 A374 A43 A490 A503 A546 A567 A607B A634 A639 A645 A646 A647 A698 A735 A736 A738 A743 A745 A854(1) A854(2) A855(1) A884 A885 A886 A890 A891 A892 A896 A912 A913 A917 A930 A936 A937 A942 A955 A959 B200CN2 (Dead 7/30/1965) B276 B281 B282 B411 B427(1) B437 B437(1) B482 B488 B528 (Dead 11/1/1982) B541 B542 B543 B544 B692 (Dead 6/1982) B692 (1; Dead 11/1/1982) B756 B778 (Dead 11/1/1982) B787 B794 B827 (Dead 11/8/1982) B828 B829 B830 B831 (Dead 11/1/1982) B832 (Dead 1982) B833 B834 B835 (Dead 11/8/1982) B836 (Dead 1982) B838 B839 (Dead 1982) B840 (Dead 1982) B841 B843 B844 B845 B846 (Dead 1982) B847 B847 B848 B849 B850 B851 B852 (Dead11/8/1982) B853 B854 (Dead 1982) B855 B856 B857 B858 B860 B861 B863 B869 B870 B872 B873 B874 B875 B889 B897 B898 B901 (Dead 1982) B923 B930 B932 B933 B939 B940 (Variant) B940 B941 (Variant) B991 C152 C180 C196A C196B C208 C298 C299 C300 C301 C302 C305 C307 C308 C41A C41B C41C C439 (by SA) C440 C441 (by SA) C759 (by SA; T no M) C882 C885 D300 D301 D313 D668 (Crosses ++ with Type 37) D718 D719 D720 D749 D750 D895 D897 D898 D900 D901 D902 D905 E14/RB31/15/3 E14/15/RB21/1 E14/51/RB4/1 E14/RB31/15/2 E14/44/112 E14/104/8 E14/RB21/0 E14/88/7 E14/RB31/0 E14/RB31/27/0 F200C F203A F300 F302 F334 F335 (Clara) F400 LO1596 LO1670 LO173 LO1738 LO1738 (1; Dead 7/19/1979) LO1740 LO1806 LO2243 LO2262 LO2263 (Dead 7/19/1979) LO2263 LO2265 LO2274 LO2327 LO2336 LO2357 LO2369 LO2370 LO2371 LO2372 LO2378 LO2400 LO2407 LO2437 LO2470 LO2476 LO2495 LO2516 LO2534 LO2535 LO2540 LO2541 LO2544 LO2562 LO2589 NY5 S314 S367 T12/36/1 (Probably strain that lost M?) T12/27/1 T12/126/4 T253 (T12gl; Original T12 glossy) Type 12