- Rebecca Lancefield
Rebecca Craighill Lancefield (born
January 5 ,1895 ; diedMarch 3 ,1981 ) was a prominent Americanmicrobiologist . She joined the Rockefeller Institute for Medical Research in New York in 1918 and was associated to that institute throughout her long and outstanding career. Her bibliography comprises of more then 50 publications published over 60 years. Her main achievments lie in the her work ongroup A streptococci and its association withrheumatic fever . She is most famous for her serological classification of hemolytic streptococcal bacteria.cite journal | author = Lancefield RC | title = A serological differentiation of human and other groups of hemolytic streptococci. | journal = J Exp Med | year = 1933 | volume = 57 | pages = 571–95 | url= http://www.jem.org/cgi/content/abstract/57/4/571 | doi = 10.1084/jem.57.4.571 ] This is based upon thecarbohydrate composition ofbacteria lantigen .cite book | author = Patterson MJ | title = Streptococcus. "in:" Baron's Medical Microbiology "(Baron S "et al", eds.)| edition = 4th ed. | publisher = Univ of Texas Medical Branch | year = 1996 | url = http://www.ncbi.nlm.nih.gov/books/bv.fcgi?highlight=Lancefield&rid=mmed.section.824 | isbn = 0-9631172-1-1 ] The Lancefield classification system is still used internationally today.Biography
She was born at
Fort Wadsworth ,Staten Island ,New York . She was educated atWellesley College ,Massachusetts andColumbia University , New York. At Columbia, she gained her Ph.D. in 1925. Eventually, she becameprofessor ofmicrobiology at Columbia University from 1958-1965. In 1943 she was the second woman to become President of the Society of American Bacteriologists. In 1961, she became President of the American Association of Immunologists, the only woman to be President of that Association. In 1970 she was elected to the National Academy of Sciences. In 1973 she was awarded the degree ofDoctor of Science ("honoris causa") by the Columbia University.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 -
*Group G - "Streptococcus canis ,Streptococcus dysgalactiae "
*Group L - "Streptococcus dysgalactiae "
*Group R&S - "Streptococcus suis "
*other "Streptococcus " species are classified asnon-Lancefield Streptococci References
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