Bile Affects the Synthesis of Exopolysaccharides by Bifidobacterium animalis
Open accessAbstract
By using cryo-scanning electron microscopy and quantification with lectin-conjugated probes, we have detected the production of exopolysaccharides (EPS) in Bifidobacterium animalis subsp. lactis in the presence of bile. In addition, the expression of gtf01207, which codifies a putative priming glycosyltransferase involved in EPS synthesis, was induced by bile.
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A glycosyltransferase related to EPS synthesis was upregulated after exposure to acidic stress, bile salts and osmotic stress in B. animalis subsp. lactis.
“For instance, a glycosyltransferase related to EPS synthesis was upregulated after exposure to acidic stress, bile salts and osmotic stress in B. animalis subsp. lactis [79].”
From Lactic Acid Bacteria Exopolysaccharides Producers: A Sustainable Tool for Functional Foods (2021) · cites this paper as [79]
The results (p. 3) report that bile induced expression of gtf01207, a putative glycosyltransferase involved in EPS synthesis, in B. animalis subsp. lactis. The paper reports bile exposure, but does not report glycosyltransferase upregulation after acidic or osmotic stress. (LLM, conf=0.90)
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References 18 · Cited by 103
- Authors
- Ruas-Madiedo, P., Gueimonde, M., Arigoni, F., de los Reyes-Gavilán, C. G., & Margolles, A.
- Affiliations
- Instituto de Productos Lácteos de Asturias (IPLA-CSIC), 33300 Villaviciosa, Asturias, Spain
- Consejo Superior de Investigaciones Científicas (ES)
- Nestlé (Switzerland) (CH)
- ORCID
- Gueimonde, Miguel
- Venue
- Applied and Environmental Microbiology
- Publisher
- American Society for Microbiology
- Published
- 2009-02-15
- Volume
- 75
- Issue
- 4
- Pages
- 1204-1207
- ISSN
- 0099-2240 (ISSN-L)
- 1098-5336
- PMC
- PMC2643586
- OpenAlex
- W1973405681
- Cited by
- 103
- References
- 18
- Citations by year
- 2026: 1 · 2025: 2 · 2024: 2 · 2023: 2 · 2022: 7 · 2021: 7 · 2020: 7 · 2019: 6 · 2018: 7 · 2017: 9 · 2016: 6 · 2015: 4 · 2014: 5 · 2013: 10 · 2012: 10
- FWCI
- 9.59
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Applied and Environmental Microbiology (publishedVersion)
- Europe PMC (PubMed Central) (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Funders
- European Commission
- Topics
- Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
- Life Sciences › Agricultural and Biological Sciences › Food Science › Polysaccharides Composition and Applications
- Health Sciences › Nursing › Nutrition and Dietetics › Infant Nutrition and Health
- Keywords
- bile, exopolysaccharide biosynthesis, Bifidobacterium animalis subsp. lactis, glycosyltransferases, gene induction, bile tolerance, probiotics
- MeSH terms
- Bacterial Proteins, Bifidobacterium, Bile, Glucosyltransferases, Molecular Sequence Data, Polysaccharides, Bacterial, Cryoelectron Microscopy, Gene Expression Profiling, Lectins
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