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Published on: March 11, 2022
Core oligosaccharide structure from the highly phytopathogenic Agrobacterium tumefaciens TT111 and conformational
Cristina De Castro1, Anna Carannante, Rosa Lanzetta
1Department of Organic Chemistry and Biochemistry, University of Naples, Complesso Universitario Monte Sant' Angelo, Via Cintia 4, 80126 Napoli, Italy. decastro@unina.it
Abstract:
The structure of the complex mixture of the core oligosaccharide components of the lipooligosaccharide (LOS) fraction of Agrobacterium tumefaciens strain TT111 was determined directly on the deacetylated products by means of spectroscopical methods. The rhamnan oligosaccharide elongating the inner Kdo residue shares structural features with other polysaccharides from well-known plant pathogenic bacteria. Its conformation was determined through extensive molecular dynamic (MD) analysis and presents an epitope similar to that recognized from the plant defense system.
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