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1. (Article ID: 4509)
De Castro C, Dinischiotu N, Feys B, Lanzetta R, Parrilli M, Molinaro A
Structural identification of the O-antigen fraction from the lipopolysaccharide of the Burkholderia ambifaria strain 19182
Carbohydrate Research 379 (2013)
95-99
The Burkholderia cepacia complex comprises a group of bacterial strains with both beneficial and detrimental effects to plant and animals. Gram negative bacterial lipopolysaccharide is one of the most important molecular factors involved in the dialogue between the microbe and the host and in this context we have isolated and identified the O-antigen fraction of the Burkholderia ambifaria strain 19182. It consists of two different O-polysaccharides built up on 6-deoxy sugars, among which the 6-deoxy-altrose in the d absolute configuration, is present. This monosaccharide is found for the first time and it is a unique feature associated to this strain.
NMR spectroscopy, O-polysaccharide, ipopolysaccharide, Burkholderia ambifaria
NCBI PubMed ID: 23886988Publication DOI: 10.1016/j.carres.2013.06.013Journal NLM ID: 0043535Publisher: Elsevier
Correspondence: decastro
unina.it
Institutions: Universita di Napoli Federico II, Dipartimento di Scienze Chimiche, Complesso Universitario Monte Sant'Angelo, Via Cintia 4, 80126 Napoli, Italy, Imperial College London, South Kensington, SW7 2AZ London, UK, National Institute Medical Research, The Ridgeway, NW7 1AA London, UK
Methods: 13C NMR, 1H NMR, methylation, NMR-2D, GC-MS, sugar analysis, mild acid hydrolysis, NMR-1D
The publication contains the following compound(s):
- Compound ID: 11153
Structure type: polymer chemical repeating unit
Compound class: O-polysaccharide, O-antigen
Reference(s) to other database(s): GTC:G22212ZI
- Compound ID: 11154
Structure type: polymer chemical repeating unit
Compound class: O-polysaccharide, O-antigen
Reference(s) to other database(s): GTC:G83770MG
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2. (Article ID: 5030)
Ossowska K, Czerwicka M, Sledz W, Zoledowska S, Motyka A, Golanowska M, Condemine G, Lojkowska E, Kaczyński Z
The uniform structure of O-polysaccharides isolated from Dickeya solani strains of different origin
Carbohydrate Research 445 (2017)
40-43
O-polysaccharides were isolated from lipopolysaccharides obtained from four different strains of plant pathogenic bacteria belonging to the species Dickeya solani: two of them were isolated in Poland (IFB0099 and IFB0158), the third in Germany (IFB0223) and the last one, D. solani Type Strain IPO2222, originated from the Netherlands. In addition, the O-polysaccharide of a closely related species D. dadantii strain 3937 was isolated. The purified polysaccharides of the five strains were analyzed using NMR spectroscopy and chemical methods. Sugar and methylation analyses, including absolute configuration assignment, together with NMR data revealed that all O-polysaccharides tested are homopolymers of 6-deoxy-d-altrose (d-6dAlt) the following structure: →2)-β-d-6dAltp-(1→.
Lipopolysaccharide, NMR, structure, O-polysaccharide, NMR-spectroscopy, 6-deoxy-D-altrose, Dickeya dadantii, Dickeya solani
NCBI PubMed ID: 28395253Publication DOI: 10.1016/j.carres.2017.04.001Journal NLM ID: 0043535Publisher: Elsevier
Correspondence: zbigniew.kaczynski
ug.edu.pl
Institutions: Faculty of Chemistry, University of Gdansk, Gdansk, Poland, Univ Lyon, Universite Lyon 1, INSA de Lyon, CNRS UMR5240 Microbiologie Adaptation et Pathogenie, F-69622, Villeurbanne, France, Department of Biotechnology, Faculty of Biotechnology University of Gdansk, Medical University of Gdansk, Abrahama 58, 80-307, Gdansk, Poland
Methods: 13C NMR, 1H NMR, methylation, GLC-MS, NMR-2D, sugar analysis, acid hydrolysis, GLC, GPC
The publication contains the following compound(s):
- Compound ID: 1216
Structure type: homopolymer
Compound class: O-polysaccharide, O-antigen
Reference(s) to other database(s): GTC:G41324XC, GlycomeDB:
4942
- Compound ID: 11154
Structure type: polymer chemical repeating unit
Compound class: O-polysaccharide, O-antigen
Reference(s) to other database(s): GTC:G83770MG
- Compound ID: 12652
Structure type: homopolymer
Compound class: O-polysaccharide, O-antigen
Reference(s) to other database(s): GTC:G91814UH
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