PRECIPITATION AND COMPLEMENT FIXATION REACTIONS WITH RESIDUE ANTIGENS IN THE NON-HEMOLYTIC STREPTOCOCCUS GROUP.
The applicability to the non-hemolytic streptococci of the technique used for the extraction of a soluble precipitating substance from the hemolytic streptococci is demonstrated. With this substance as antigen, it is demonstrated by means of precipitation and complement fixation that the non-hemolytic streptococci form an antigenically distinct, but entirely heterogeneous group. Such cross-reactions as do occur within this group are not useful in the systematic classification of these organisms.
5 references, click to expand
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A CLASSIFICATION OF NON-HEMOLYTIC STREPTOCOCCI.J Exp Med. 1917 Jun 1;25(6):877-96 PMID: 19868128
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FURTHER STUDIES ON BACTERIAL HYPERSUSCEPTIBILITY. II.J Exp Med. 1923 Jan 31;37(2):275-302 PMID: 19868726
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THE RELATION BETWEEN HEMOLYTIC AND NON-HEMOLYTIC STREPTOCOCCI, AND ITS POSSIBLE SIGNIFICANCE.J Exp Med. 1918 Aug 1;28(2):181-92 PMID: 19868249
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CLASSIFICATION OF THE HEMOLYTTC STREPTOCOCCI BY THE PRECIPITIN REACTION.J Exp Med. 1924 Sep 30;40(4):445-52 PMID: 19868931
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IMMUNOLOGICAL RELATIONSHIPS OF CELL CONSTITUENTS OF PNEUMOCOCCUS.J Exp Med. 1923 Jun 30;38(1):81-5 PMID: 19868773
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