Rebecca Craighill Lancefield (January 5, 1895 - March 3, 1981) was a prominent American microbiologist. She is most famous for her serological classification of streptococcal bacteria.^[1] This is based upon the carbohydrate composition of bacterial antigen. Her classification is still used internationally today. January 5 is the 5th day of the year in the Gregorian calendar. ... 1895 (MDCCCXCV) was a common year starting on Tuesday (see link for calendar) of the Gregorian calendar (or a common year starting on Thursday of the 12-day-slower Julian calendar). ... March 3 is the 62nd day of the year in the Gregorian calendar (63rd in leap years). ... 1981 (MCMLXXXI) was a common year starting on Thursday of the Gregorian calendar. ... A Microbiologist is a biologist that studies the field of microbiology. ... Serology is literally the scientific study of the blood serum. ... Streptococcus, a genus of spherical, Gram-positive bacteria of the phylum Firmicutes. ... Lactose is a disaccharide found in milk. ... Phyla Actinobacteria Aquificae Chlamydiae Bacteroidetes/Chlorobi Chloroflexi Chrysiogenetes Cyanobacteria Deferribacteres Deinococcus-Thermus Dictyoglomi Fibrobacteres/Acidobacteria Firmicutes Fusobacteria Gemmatimonadetes Lentisphaerae Nitrospirae Planctomycetes Proteobacteria Spirochaetes Thermodesulfobacteria Thermomicrobia Thermotogae Verrucomicrobia Bacteria (singular: bacterium) are unicellular microorganisms. ... An antigen is a substance that stimulates an immune response, especially the production of antibodies. ...

Biography

She was born at Fort Wadsworth, Staten Island, New York. She was educated at Wellesley College, Massachusetts and Columbia University, New York. At Columbia, she gained her Ph.D. in 1925. Eventually, she became professor of microbiology at Columbia University from 1958-1965. For much of her professional career she carried out research at the famous Rockefeller Institute for Medical Research. In 1973 she was awarded the degree of Doctor of Science (honoris causa) by this institution. Fort Wadsworth is a former military installation on Staten Island, New York. ... Staten Island, in yellow, lies to the southwest of the rest of New York City. ... NY redirects here. ... Wellesley College is a womens liberal arts college that opened in 1875, founded by Henry Fowle Durant and his wife Pauline Fowle Durant. ... This article is about the U.S. State. ... Columbia University is a private research university in the United States. ... Doctor of Philosophy, abbreviated Ph. ... 1925 (MCMXXV) was a common year starting on Thursday (link will display the full calendar). ... The meaning of the word professor (Latin: one who claims publicly to be an expert) varies. ... An agar plate streaked with microorganisms Microbiology is the study of microorganisms, which are unicellular or cell-cluster microscopic organisms. ... Year 1958 (MCMLVIII) was a common year starting on Wednesday of the Gregorian calendar. ... 1965 (MCMLXV) was a common year starting on Friday (the link is to a full 1965 calendar). ... Founders Hall Rockefeller University is a private university focusing primarily on graduate and postgraduate education research in the biomedical fields, located between 63rd and 68th Streets along York Avenue, on the Upper East Side of Manhattan island in New York City, New York. ... 1973 (MCMLXXIII) was a common year starting on Monday. ... D.Sc. ...

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

Binomial name Streptococcus pyogenes Rosenbach 1884 Streptococcus pyogenes is a Gram-positive bacterium that grows in pairs (diplococci) or short chains depending on the culture method. ... Streptococcus agalactiae is a gram-positive streptococcus characterized by the presence of group B Lancefield antigen. ... Strangles (also equine distemper) is a contagious, upper respiratory tract infection of horses and other equines caused by a bacterium, Streptococcus equi. ... Species E. faecalis etc. ... Streptococcus bovis is a rare cause of neonatal septicaemia and meningitis. ... Streptococcus mutans is a gram positive, facultative anaerobe, part of the streptococcus genus of bacteria. ... Binomial name Streptococcus suis (ex Elliot 1966) Kilpper-Bälz and Schleifer 1987 Streptococcus suis is an important bacterial pathogen of pigs. ...

References