Cited by 365Infant Nutrition and HealthMicrobial Metabolites in Food BiotechnologyGut microbiota and health

Glycoprofiling of bifidobacterial consumption of human milk oligosaccharides demonstrates strain specific, preferential consumption of small chain glycans secreted in early human lactation

LoCascio, Riccardo G., Ninonuevo, Milady R., Freeman, Samara L., Sela, David A., Grimm, Rudolf, Lebrilla, Carlito B., Mills, David A., German, J. Bruce·2007·Journal of Agricultural and Food Chemistry

Abstract

The molecular basis by which human breast milk supports the development of a protective intestinal microbiome in infants is unknown. After lactose and lipids, human milk oligosaccharides (HMOs) are quantitatively the third largest and most diverse component of breast milk. In this work, glycomic profiling of HMO consumption by bifidobacteria using Fourier transform ion cyclotron resonance mass spectrometry reveals that one species, Bifidobacterium longum biovar infantis ATCC 15697, an isolate from the infant gut, preferentially consumes small mass oligosaccharides, representing 63.9% of the total HMOs available. These HMOs were detected in human breast milk at the onset and constantly through the first month of lactation by use of high performance liquid chromatography-chip time-of-flight mass spectrometry. Further characterization revealed that strain ATCC 15697 possesses both fucosidase and sialidase activities not present in the other tested strains. This work provides evidence that these small mass HMOs are selectively metabolized by select bifidobacterial strains and represent a potential new class of bioactive molecules functioning as prebiotics to facilitate a protective gut colonization in breast-fed newborns.

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Crossref · 10.1021/jf0710480

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Authors
LoCascio, R. G., Ninonuevo, M. R., Freeman, S. L., Sela, D. A., Grimm, R., Lebrilla, C. B., Mills, D. A., & German, J. B.
Affiliations
  • Agilent Technologies (United States) (US)
  • Departments of Viticulture & Enology, Chemistry, and Food Science & Technology and Microbiology Graduate Group, University of California––Davis, Davis, California 95616, and Agilent Technologies Inc., Santa Clara, California 95052
Corresponding author
German, J. Bruce
Venue
Journal of Agricultural and Food Chemistry
Published
2007-10-01
Volume
55
Issue
22
Pages
8914-8919
ISSN
  • 0021-8561 (ISSN-L)
  • 1520-5118
OpenAlex
W2073692430
Cited by
365
References
21
Citations by year
2026: 9 · 2025: 13 · 2024: 22 · 2023: 14 · 2022: 21 · 2021: 27 · 2020: 28 · 2019: 19 · 2018: 25 · 2017: 22 · 2016: 22 · 2015: 20 · 2014: 22 · 2013: 21 · 2012: 21
FWCI
11.45
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Agricultural and Food Chemistry (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Funders
National Institute of General Medical Sciences (T32GM008799, T32GM08799)
Topics
  • Health Sciences › Nursing › Nutrition and Dietetics › Infant Nutrition and Health
  • Health Sciences › Nursing › Nutrition and Dietetics › Microbial Metabolites in Food Biotechnology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
Keywords
human milk oligosaccharides, Bifidobacterium, Bifidobacterium longum subsp. infantis, glycan profiling, prebiotics, fucosidase, neuraminidase, early lactation, infant gut colonization, breast milk, oligosaccharide metabolism
MeSH terms
Bifidobacterium, Female, Humans, Lactation, Milk, Human, Oligosaccharides, Polysaccharides, Species Specificity, Time Factors

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