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1. (Article ID: 5762)
Dworaczek K, Kurzylewska M, Laban M, Pękala-Safińska A, Marczak M, Turska-Szewczuk A
Structure of the disaccharide repeating unit of O-specific polysaccharide isolated from Aeromonas veronii strain Bs8 pathogenic to common carp (Cyprinus carpio)
Carbohydrate Research 500 (2021)
108210
The O-specific polysaccharide (OPS) was isolated from the lipopolysaccharide of Aeromonas veronii strain Bs8, which is pathogenic to common carp (Cyprinus carpio), after mild acid hydrolysis followed by gel-permeation chromatography. The high-molecular-mass OPS fraction was investigated using chemical methods, mass spectrometry, and 1H and 13C NMR spectroscopy techniques, including 2D homonuclear 1H,1H TOCSY, DQF COSY, NOESY, and heteronuclear 1H-detected 1H,13C HSQC, and HMBC experiments. The analysis revealed that the O-specific polysaccharide contains sugars with the galacto configuration of the ring and is composed of a disaccharide repeating unit with the following structure. (formula: see text).
LPS, O-antigen, O-specific polysaccharide, Aeromonas veronii, Fish pathogen, D-fucopyranose, D-Fucp, GalpNAc
NCBI PubMed ID: 33298315Publication DOI: 10.1016/j.carres.2020.108210Journal NLM ID: 0043535Publisher: Elsevier
Correspondence: aturska
hektor.umcs.lublin.pl
Institutions: Department of Fish Diseases, National Veterinary Research Institute, Partyzantów 57, 24-100 Pulawy, Poland, Department of Genetics and Microbiology, Institute of Microbiology and Biotechnology, M. Curie-Sklodowska University, Akademicka 19, 20-033 Lublin, Poland
Methods: 13C NMR, 1H NMR, methylation, GLC-MS, NMR-2D, SDS-PAGE, chemical analysis, mild acid hydrolysis, GPC
The publication contains the following compound(s):
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2. (Article ID: 6283)
Nguyen JM, Evans CS, Wright NM, Townsend SD
Synthesis of the Aeromonas veronii strain Bs8 disaccharide repeating unit
Carbohydrate Research 514 (2022)
108530
Presented herein is the synthesis of the Aeromonas veronii disaccharide repeating unit which has been achieved in 11 steps starting from D-fucose and D-galactosamine.
synthesis, Gram-negative, fucose, glycosylation, GalNAc
NCBI PubMed ID: 35263695Publication DOI: 10.1016/j.carres.2022.108530Journal NLM ID: 0043535Publisher: Elsevier
Correspondence: S.D. Townsend
vanderbilt.edu>
Institutions: Department of Chemistry, Vanderbilt University, Nashville, TN, 37235, United States
Methods: 13C NMR, 1H NMR, NMR-2D, IR, TLC, chemical synthesis, glycosylation, optical rotation measurement, SEC, HR-ESI-MS
The publication contains the following compound(s):
- Compound ID: 13649
Structure type: polymer chemical repeating unit
Compound class: O-polysaccharide
Reference(s) to other database(s): GTC:G32007NJ
- Compound ID: 13651
Structure type: polymer chemical repeating unit
Compound class: O-polysaccharide, O-antigen
Reference(s) to other database(s): GTC:G00005IV
- Compound ID: 16220
Structure type: oligomer
; 496.1794 [M+Na]+
C21H31NO11
Aglycon: p-methoxyphenyl
Compound class: O-polysaccharide
- Compound ID: 12219
Structure type: polymer chemical repeating unit
Compound class: O-polysaccharide
Reference(s) to other database(s): GTC:G91036FH
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