The structure of the extracellular polysaccharide of Corinebacterium sepedonicum 7762 possessing phytotoxic activity

N. A. Kocharova, L. D. Varbanetz, A. S. Shashkov, V. A. Muras, Yu. A. Knirel

N. D. Zelinsky Institute of Organic Chemistry, Academy of Sciencesof the USSR, Moscow; D. K, Zabololny Institute of Microbiology and Virology, Academy of Sciences of the Ukrainian SSR, Kiev

Abstract: The acidic extracellular polysaccharide from the Corynebacterium sepedonicum strain 7762, isolated by ion-exchange chromatography on DEAE-TSK 650 M gel, contains equal amounts of D-glucose and D-glucuronic acid. Results of the periodate oxidation and 1H and 13C NMR analysis data led to the following structure of the polysaccharide:


The polysaccharide was characterised by phytotoxic activity in the tomato and eggplants tests.

Russian Journal of Bioorganic Chemistry 1991, 17 (1):107-110

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