Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/8817
Title: Utilization of xylan-type polysaccharides in co-culture fermentations of Bifidobacterium and Bacteroides species
Authors: Zeybek, Nüket
Rastall, Robert A.
Büyükkileci, Ali Oğuz
Keywords: Dietary polysaccharides
Xylan
Prebiotics
Bifidobacteria
Bacteroides
Cross-feeding
Issue Date: 2020
Publisher: Elsevier
Abstract: Although most members of the genus Bifidobacterium are unable to utilize xylan as a carbon source, the growth of these species can be induced by this polysaccharide in the gut environment. This indicates a requirement for an association between Bifidobacterium species and some other members of gut microbiota. In this study, the role of cross-feeding between Bifidobacterium and Bacteroides species in the bifidogenic effect of xylan was investigated using in-vitro pure and co-culture fermentations. The pure culture studies showed that among the Bifidobacterium species tested, only Bifidobacterium animalis subsp. lactis was able to utilize xylooligosaccharides. The co-culture of this strain with Bacteroides species enabled it to grow in the presence of xylan. These results suggest that the ability of Bacteroides species to hydrolyze xylan could allow the proliferation of specific Bifidobacterium species in the gut through substrate cross-feeding.
URI: https://doi.org/10.1016/j.carbpol.2020.116076
https://hdl.handle.net/11147/8817
ISSN: 0144-8617
1879-1344
Appears in Collections:Food Engineering / Gıda Mühendisliği
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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