Analysis and glycosyl composition of the exopolysaccharide isolated from the floc-forming wastewater bacterium Thauera sp. MZ1T

Michael Shane Allen, Karen T. Welch, Benjamin S. Prebyl, David C. Baker, Arthur J. Meyers, Gary S. Sayler

Research output: Contribution to journalArticle

56 Citations (Scopus)

Abstract

Conditions were developed for the reproducible production, isolation and characterization of a novel microbial extracellular polysaccharide believed to be involved in transient viscous bulking at an industrial wastewater treatment plant. The exopolysaccharide was extracted from cell-free culture supernatants of Thauera sp. strain MZ1T grown on a minimal medium with succinate. The purified polymer was found to be approximately 260 kDa in size by gel-permeation chromatography. The GC-MS analysis of the alditol acetate and per-O-trimethylsilyl methyl glycoside derivatives revealed that the exopolysaccharide was composed of four monosaccharides including: rhamnose, galacturonic acid, N-acetylglucosamine and N-acetylfucosamine. Glucose, which also appeared at low levels, is most likely from a co-eluting glucan. The FTIR and NMR spectroscopic analyses further revealed the presence of esterified component groups on the polymer. These results represent the first published description of a polysaccharide from a member of the genus Thauera, and lay the foundation for a deeper understanding of the factors potentially involved in zoogloeal cluster formation and viscous bulking.

Original languageEnglish
Pages (from-to)780-790
Number of pages11
JournalEnvironmental Microbiology
Volume6
Issue number8
DOIs
StatePublished - 1 Aug 2004

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Thauera
exopolysaccharides
Waste Water
polysaccharide
Polysaccharides
wastewater
polymers
Polymers
polysaccharides
polymer
alditols
Sugar Alcohols
Bacteria
Rhamnose
N-acetylglucosamine
galacturonic acid
monosaccharide
bacterium
Acetylglucosamine
Glucans

Cite this

Allen, Michael Shane ; Welch, Karen T. ; Prebyl, Benjamin S. ; Baker, David C. ; Meyers, Arthur J. ; Sayler, Gary S. / Analysis and glycosyl composition of the exopolysaccharide isolated from the floc-forming wastewater bacterium Thauera sp. MZ1T. In: Environmental Microbiology. 2004 ; Vol. 6, No. 8. pp. 780-790.
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Analysis and glycosyl composition of the exopolysaccharide isolated from the floc-forming wastewater bacterium Thauera sp. MZ1T. / Allen, Michael Shane; Welch, Karen T.; Prebyl, Benjamin S.; Baker, David C.; Meyers, Arthur J.; Sayler, Gary S.

In: Environmental Microbiology, Vol. 6, No. 8, 01.08.2004, p. 780-790.

Research output: Contribution to journalArticle

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