PMID: 7923506Feb 1, 1994Paper

Lipopolysaccharides from various Capnocytophaga strains possess potent Limulus amoebocyte lysate clotting activity

The Bulletin of Tokyo Dental College
S J KimK Okuda

Abstract

Lipopolysaccharides (LPSs) were extracted by the hot phenol-water method from three ATCC strains (C. sputigena ATCC 33612, C. ochracea ATCC 33596, and C. gingivalis ATCC 33624) and three clinical isolates (C. sputigena TE-1, C. ochracea ONO-26, and C. gingivalis M-12). Endospecy was used to determine the Limulus amoebocyte lysate clotting activities. The activities of LPSs from Capnocytophaga strains were stronger than those of Escherichia coli, with the exception of the LPS from C. gingivalis M-12. Except for the LPS from C. sputigena TE-1, the SDS-PAGE analyses of these preparations showed slow-migrating and repeating ladder bands similar to the LPSs of E. coli and Salmonella typhimurium (wild type) and included both the core-lipid A region and various lengths of O-antigen. The LPS from C. sputigena TE-1 possessed fast-migrating bands and did not have an O-side chain.

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