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KMID : 1024620150350010001
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Food Science of Animal Resources
2015 Volume.35 No. 1 p.1 ~ p.9
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Genome of Bifidobacteria and Carbohydrate Metabolism
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Bondue Pauline
Delcenserie Veronique
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Abstract
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In recent years, the knowledge about bifidobacteria has considerably evolved thanks to recent progress in molecular biology. The analysis of the whole genome sequences of 48 taxa of bifidobacteria offers new perspectives for their classification, especially to set up limit between two species. Indeed, several species are presenting a high homology and should be reclassified. On the other hand, some subspecies are presenting a low homology and should therefore be reclassified into different species. In addition, a better knowledge of the genome of bifidobacteria allows a better understanding of the mechanisms involved in complex carbohydrate metabolism. The genome of some species of bifidobacteria from human but also from animal origin demonstrates high presence in genes involved in the metabolism of complex oligosaccharides. Those species should be further tested to confirm their potential to metabolize complex oligosaccharides in vitro and in vivo.
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KEYWORD
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bifidobacteria, genomic, complex oligosaccharides, inuline, galacto oligosaccharides, human milk oligosaccharide, bovine milk oligosaccharide
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