1887

Abstract

Summary: Antisera, prepared against smooth variants of the Flexner, Boyd and Sonne types of , were investigated for their agglutinin and precipitin content. The precipitation reactions, employing formamide extracts of the organisms, showed a marked degree of specificity which was lacking in the agglutianation reactions except with the Boyd and Sonne types. Cross-precipitation reactions occurred with Boyd’s Flexner IV (103) and Flexner Y and also with Boyd’s Flexner V(P110) and Flexner X. Absorption tests, however, revealed each of these four organisms to have a predominant specific precipitinogen.

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/content/journal/micro/10.1099/00221287-5-5-1001
1951-12-01
2021-08-04
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