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1. (Article ID: 456)
De Castro C, Sturiale L, Parrilli M
Characterisation of the a-(1->3) homopolymer of L-glycero-D-manno-heptose units isolated from the O-chain polysaccharide of Agrobacterium radiobacter
European Journal of Organic Chemistry (11) (2004)
2436-2440
This paper provides the first report of the molecular primary structure of the O-chain produced from A. radiobacter group M2-1. The repeating unit was determined, by means of chemical and spectroscopical analyses, to have the following structure: [3)-a-L-glycero-D-manno-heptose-(1-]n. The relevant feature of this structure is represented by the particular residue involved: L-glycero-D-manno-heptose. This monosaccharide is almost ubiquitous in Gram-negative bacteria, but it is exclusively located in the Core region and only in one other case has it is reported as an O-chain constituent. The knowledge of the chemical structure of the O-chain of A. radiobacter will be useful for comprehending the bacterium- host recognition mechanism at the molecular level.
L-glycero-D-manno-heptose, polysaccharide, O-chain, homopolymer, characterisation, Agrobacterium, Agrobacterium radiobacter
Publication DOI: 10.1002/ejoc.200400002Journal NLM ID: 9805750Publisher: Wiley-VCH
Correspondence: decastro
unina.it
Institutions: Dipartimento di Chimica Organica e Biochimica, Universita` di Napoli, Complesso Universitario Monte Sante Angelo, Via Cintia 4, 80126 Napoli, Italy, Istituto di Chimica e Tecnologia dei Polimeri, CNR, Viale R. Margherita 6,95123 Catania, Italy
Methods: methylation, NMR-2D, NMR, Smith degradation, MALDI-TOF MS
The publication contains the following compound(s):
- Compound ID: 1443
Structure type: homopolymer
Compound class: O-polysaccharide, O-antigen
Reference(s) to other database(s): GTC:G24651SF, GlycomeDB:
27347
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