A highly branched novel galactofuranan in the cell wall of Clavibacter tesselarius VKM Ac-1406T.
Carbohydr Res
; 529: 108823, 2023 Jul.
Article
em En
| MEDLINE
| ID: mdl-37182468
The structures of two cell wall glycopolymers were studied in the plant pathogenic bacterium Clavibacter tesselarius VKM Ac-1406T (family Microbacteriaceae, order Micrococcales, class Actinomycetes). The predominant polymer was a novel (1 â 6)-linked ß-d-galactofuranan with a highly branched repeating unit, α-L-Rhap-(1 â 3)-α-D-Galp-(1 â 2)-[α-L-Rhap-(1 â 3)]-α-D-Fucp-(1 â, at O-2 on every second galactofuranose residue. The second polymer present in small amounts was acidic with the repeating unit, â3)-α-D-Galp-(1 â 3)-α-D-[4,6-S-Pyr]-Manp-(1 â 3)-α-D-Manp-[2OAc]0.2-(1â, and was reported in all Clavibacter species investigated to date. The presented results expand our knowledges of structural diversity of phosphate-free cell wall glycopolymers and provide evidence in support of their taxonomic specificity for bacterial species and genera.
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1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Actinomycetales
/
Actinobacteria
Idioma:
En
Revista:
Carbohydr Res
Ano de publicação:
2023
Tipo de documento:
Article