Serological and structural features of Hafnia alvei lipopolysaccharides containing D-3-hydroxybutyric acid.

The serological heterogeneity of Hafnia alvei lipopolysaccharides from strains ATCC 13337, 1187, 1221, 114/60, 1211 and 1216, that contain D-3-hydroxybutyric acid, was analyzed by rocket immunoelectrophoresis, immunoblotting and passive hemagglutination. The significance of D-3-hydroxybutyric acid component for their cross-reactivity has been discussed. The results obtained allowed us to place four H. alvei strains (ATCC 13337, 1187, 1221 and 114/60) in one serotype (A) and to consider two other strains (1211 and 1216) as separate serotypes (B and C, respectively).

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