Mikrobiol. Z. 2015; 77(6):11-20. Ukrainian.
doi: https://doi.org/10.15407/microbiolj77.06.011

Serological Properties and Biological Activity of Pantoea agglomerans Lipopolysaccharides

Bulygina T.V., Yakovleva L.M., Brovarska O.S., Varbanets L.D.

Zabolotny Institute of Microbiology and Virology, NAS of Ukraine
154 Akad. Zabolotny Str., Kyiv, 03143, Ukraine

The serological and phytotoxic properties of lipopolysaccharide (LPS) of plant pathogens - Pantoea agglomerans were studied. It is known that the thin variations in the structure of the O-specific polysaccharides determining serological specificity of gramnegative bacteria and used as a molecular basis of serological classification schemes. For P. agglomerans still does not exist a classification scheme based on serology specificity of their LPS. The results of cross serological tests demonstrate immunochemical heterogeneity of species P. agglomerans. Only three strains of the 8488, 8490 and 7969 according to the agglutination of O-antigens and direct hemagglutination and inhibition direct hemagglutination can be attributed to a single serogroup. Other strains - each separate group, although some have a relationship. Compared with control plants under the influence of seed treatment of LPS in plants may be reduced, and in some cases increased root length, height and weight sprout, depending on the strain from which the selected LPS. Dive seedlings of tomatoes in the solutions of the studied preparations FSC caused the loss, and after some time, restore turgor.

Key words: Pantoea agglomerans, lipopolysaccharide, serology activity, phytotoxicity.

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