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. 1993 Nov;59(11):3557–3563. doi: 10.1128/aem.59.11.3557-3563.1993

Utilization of xylooligosaccharides by selected ruminal bacteria.

M A Cotta 1
PMCID: PMC182498  PMID: 8285663

Abstract

The ability of ruminal bacteria to utilize xylooligosaccharides was examined. Xylooligosaccharides were prepared by partially hydrolyzing oat spelt xylan in phosphoric acid. This substrate solution was added (0.2%, wt/vol) to a complex medium containing yeast extract and Trypticase that was inoculated with individual species of ruminal bacteria, and growth and utilization were monitored over time. All of the xylanolytic bacteria examined were able to utilize this oligosaccharide mixture as a growth substrate. Butyrivibrio fibrisolvens, Eubacterium ruminantium, and Ruminococcus albus used xylooligosaccharides and whole, unhydrolyzed xylan to similar extents, while Prevotella ruminicola used twice as much xylooligosaccharides as xylan (76 versus 34%). Strains of Selenomonas ruminantium were the only nonxylanolytic species that were able to grow on xylooligosaccharides. The ability of individual S. ruminantium strains to utilize xylooligosaccharides was correlated with the presence of xylosidase and arabinosidases activities.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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