Extracellular polysaccharides of potato ring rot pathogen
Автор: Shafikova T.N., Rymareva .V., Kopytchuk V.N., Epova E.Y., Romanenko A.S.
Журнал: Журнал стресс-физиологии и биохимии @jspb
Рубрика: Original article
Статья в выпуске: 1 т.2, 2006 года.
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Many bacteria, including phytopathogenic ones produce extracellular polysaccharides or exopolysaccharides which are universal molecules. Causal agent of potato ring rot, Clavibacter michiganensis subspecies sepedonicus, secretes exopolysaccharides which role in pathogenesis is poorly investigated. The aim of our research is to ascertain the composition and structure of Clavibacter michiganensis subspecies sepedonicus exopolysaccharides. Exopolysaccharides of Clavibacter michiganensis subspecies sepedonicus are determined to consist of 4-6 anionic and neutral components which have molecular weights from 700 kDa. Glucose is a major monomer of polysaccharides and arabinose, rhamnose and mannose are minor monomers. Glucose is present in α-D-glucopyranose and β-D-glucopyranose configurations. Calcium is determined to be a component of exopolysaccharides. Components of exopolysaccharides of potato ring rot pathogen are probably capable to associate via calcium ions and other ionic interactions that may result in a change of their physiological activity. Further studies of Clavibacter michiganensis subspecies sepedonicus exopolysaccharides composition and structure can serve a base for the synthesis of their chemical analogues with elicitor action.
Clavibacter michiganensis subsp. sepedonicus, exopolysaccharides, potato ring rot
Короткий адрес: https://sciup.org/14323446
IDR: 14323446
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