Lancefield grouping
Lancefield grouping is a method of grouping beta hemolytic bacteria based on the carbohydrate composition of bacterial antigens found on their cell walls.[1] The system was created by Rebecca Lancefield.[2]
Classification
- Group A - Streptococcus pyogenes
- Group B - Streptococcus agalactiae
- Group C - Streptococcus equisimilis, Streptococcus equi, Streptococcus zooepidemicus, Streptococcus dysgalactiae
- Group D - Enterococci, Streptococcus bovis
- Group E - Streptococcus milleri and mutans
- Group F - Streptococcus anginosus
- Group G - Streptococcus canis and Streptococcus dysgalactiae
- Group H - Streptococcus sanguinis
- Group L - Streptococcus dysgalactiae
- Group N - Lactococcus lactis
- Group R&S - Streptococcus suis
- other Streptococcus species are classified as 'non-Lancefield Streptococci'
Group M: Stahpylococcus pneumonia Rebbecca Lansfield out
References
- ↑ Todar, Kenneth. "Neisseria gonorrhoeae, the Gonococcus, and Gonorrhea.". Lectures in Microbiology. 2009.
- ↑ Lancefield RC (1933). "A serological differentiation of human and other groups of hemolytic streptococci.". J Exp Med 57 (4): 571–95. doi:10.1084/jem.57.4.571. PMC 2132252. PMID 19870148.