Colanic acid is an exopolysaccharide common to many enterobacteria isolated from paper-machine slimes

Marjaana Rättö (Corresponding Author), R. Verhoef, Maija-Liisa Suihko, A. Blanco, H. A. Schols, A. G. J. Voragen, R. Wilting, Matti Siika-aho, Johanna Buchert

    Research output: Contribution to journalArticleScientificpeer-review

    33 Citations (Scopus)

    Abstract

    In this study, polysaccharide-producing bacteria were isolated from slimes collected from two Finnish and one Spanish paper mill and the exopolysaccharides (EPSs) produced by 18 isolates were characterised. Most of the isolates, selected on the bases of slimy colony morphology, were members of the family Enterobacteriaceae most frequently belonging to the genera Enterobacter and Klebsiella including Raoultella. All of the EPSs analysed showed the presence of charged groups in the form of uronic acid or pyruvate revealing the polyanionic nature of these polysaccharides. Further results of the carbohydrate analysis showed that the EPS produced by nine of the enterobacteria was colanic acid.
    Original languageEnglish
    Pages (from-to)359-367
    Number of pages9
    JournalJournal of industrial microbiology and biotechnology
    Volume33
    Issue number5
    DOIs
    Publication statusPublished - 2006
    MoE publication typeA1 Journal article-refereed

    Keywords

    • Paper mill
    • Slime
    • Bacteria
    • Exopolysaccharides
    • Colanic acid

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