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Structural investigation of two cell-wall polysaccharides of Penicillium expansum strains

✍ Scribed by Enrique Parra; Jesús Jiménez-Barbero; Manuel Bernabe; Juan Antonio Leal; Alicia Prieto; Begoña Gómez-Miranda


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
761 KB
Volume
257
Category
Article
ISSN
0008-6215

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✦ Synopsis


The structure of two cell-wall polysaccharides isolated from three different strains of Penicillium expansum, the type species of the genus, have been established by 1D and 2D NMR spectroscopy, and also by methylation analyses. The water-soluble polysaccharide F1S-B consisted of a linear tetrasaccharide repeating unit with the following structure: [-->6)-beta-D-Galf-(1-->5)-beta-D-Galf-(1-->5)-beta-D-Gal f-(1-->5)-beta-D- Galf-(1-->]n The alkali-soluble polysaccharide F1I is a (1-->3)-alpha-D-glucan.


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