Structural elucidation of the capsular polysaccharide isolated from Kaistella flava.
The Gram-negative bacterium under study belongs to the genus Kaistella. It was isolated from a soil sample of the Haian Island in China, and it produces a lipophilic polysaccharide characterised by a branched hexasaccharide repeating unit, counting four 6-deoxy-alpha-l-mannose (Rha) residues, one 2-acetamido-2-deoxy-beta-d-glucose (GlcNAc) and a 2-acetamido-2,6-dideoxy-beta-d-galactose (FucNAc) unit. The structure of the repeating unit, assigned through 2D-NMR spectroscopy, is herein reported for the first time: [carbohydrate structure: see text]
Gargiulo
Valentina
V
Department of Organic Chemistry and Biochemistry, University of Naples 'Federico II', Complesso Universitario Monte Sant' Angelo, Via Cintia 4, I-80126 Napoli, Italy.
De Castro
Cristina
C
Lanzetta
Rosa
R
Jiang
Yi
Y
Xu
Li-Hua
LH
Jiang
Cheng-Lin
CL
Molinaro
Antonio
A
Parrilli
Michelangelo
M
D000423:Alcian Blue / Q000737:chemistry; D016667:Bacterial Capsules / Q000737:chemistry*; D002240:Carbohydrate Sequence; D004591:Electrophoresis, Polyacrylamide Gel; D041965:Flavobacteriaceae / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D008969:Molecular Sequence Data; D011135:Polysaccharides, Bacterial / Q000737:chemistry* / Q000302:isolation & purification
D011135:Polysaccharides, Bacterial; D000423:Alcian Blue