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1. (Article ID: 5427)
Dworaczek K, Drzewiecka D, Pękala-Safińska A, Turska-Szewczuk A
Structural and Serological Studies of the O6-Related Antigen of Aeromonas veronii bv. sobria Strain K557 Isolated from Cyprinus carpio on a Polish Fish Farm, which Contains L-perosamine (4-amino-4,6-dideoxy-L-mannose), a Unique Sugar Characteristic for Aeromonas Serogroup O6
Marine Drugs 17(7) (2019)
E399
Amongst Aeromonas spp. strains that are pathogenic to fish in Polish aquacultures, serogroup O6 was one of the five most commonly identified immunotypes especially among carp isolates. Here, we report immunochemical studies of the lipopolysaccharide (LPS) including the O-specific polysaccharide (O-antigen) of A. veronii bv. sobria strain K557, serogroup O6, isolated from a common carp during an outbreak of motile aeromonad septicemia (MAS) on a Polish fish farm. The O-polysaccharide was obtained by mild acid degradation of the LPS and studied by chemical analyses, mass spectrometry, and 1H and 13C NMR spectroscopy. It was revealed that the O-antigen was composed of two O-polysaccharides, both containing a unique sugar 4-amino-4,6-dideoxy-L-mannose (N-acetyl-L-perosamine, L-Rhap4NAc). The following structures of the O-polysaccharides (O-PS 1 and O-PS 2) were established.
structure, O-antigen, NMR spectroscopy, O-polysaccharide, mass spectrometry, lipopolysaccharide (LPS), Aeromonas, immunospecificity, L-perosamine, Fish pathogen
NCBI PubMed ID: 31284525Publication DOI: 10.3390/md17070399Journal NLM ID: 101213729Publisher: Basel, Switzerland: Molecular Diversity Preservation International
Correspondence: aturska
hektor.umcs.lublin.pl
Institutions: Department of Genetics and Microbiology, Maria Curie-Skłodowska University in Lublin, Akademicka 19, 20-033 Lublin, Poland, Laboratory of General Microbiology, Department of Biology of Bacteria, Faculty of Biology and Environmental Protection, University of Łódź, Banacha 12/16, 90-237 Łódź, Poland, Department of Fish Diseases, National Veterinary Research Institute, Partyzantów 57, 24-100 Puławy, Poland
Methods: 13C NMR, 1H NMR, methylation, GLC-MS, NMR-2D, SDS-PAGE, sugar analysis, ELISA, GLC, Western blotting, MALDI-TOF MS, serological methods, GPC
The publication contains the following compound(s):
- 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: 13650
Structure type: homopolymer
Compound class: O-polysaccharide, O-antigen
Reference(s) to other database(s): GTC:G14918BB
- Compound ID: 13652
Structure type: polymer chemical repeating unit
Compound class: O-polysaccharide, O-antigen
Reference(s) to other database(s): GTC:G47352OD
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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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