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Cross-Reactions of Glucose-Containing Polysaccharides in Antipneumococcal Sera

VII. The Precipitation of Type IX Antisera by Isolichenin, and Other Reactions¹

From The Institute of Microbiology, Rutgers, The State University, New Brunswick, New Jersey

Abstract

Isolichenin, which consists of -1, 3- and -1, 4-linked glucose, partly, at least, in pairs, precipitates type IX anti-pneumococcal sera very strongly at 0°. Quantitative data are given on this reaction and the precipitation of other antipneumococcal sera by isolichenin, other polyglucoses, and natural polysaccharides containing glucose. The data are discussed in terms of a quantitative theory of the precipitin reaction (5) and, where possible, in terms of the linkages of glucose involved.

Footnotes

¹ Carried out in part under a grant from the National Science Foundation. Paper VI, (1).