Cited by 70Probiotics and Fermented FoodsSteroid Chemistry and BiochemistryGut microbiota and health

All 4 Bile Salt Hydrolase Proteins Are Responsible for the Hydrolysis Activity in Lactobacillus plantarum ST‐III

Ren, Jing, Sun, Kejie, Wu, Zhengjun, Yao, Jing, Guo, Benheng·2011·Journal of Food Science

Abstract

Abstract: In vertebrates, bile salt hydrolysis plays an essential role in fat metabolism. Bile salts are synthesized in the liver. And in the small intestine glycine and taurine are de‐conjugated from bile salts by the enzyme bile salt hydrolase (BSH) from intestinal microbes. However, the mechanism of bile salt hydrolysis in Lactobacillus plantarum is still ambiguous. Four predicted bile salt hydrolase ( bsh ) genes from L. plantarum ST‐III were cloned into Escherichia coli . The function of these genes was explored by overexpression. All 4 proteins that were studied showed activity against glycine‐ or taurine‐conjugated bile salts. Substrate preference was also observed in BSH proteins, especially for the enzyme BSH1, which had high hydrolysis activity for glycodeoxycholic acid. These results suggest that all 4 bile salt hydrolases may be responsible for the bile salt hydrolysis activity in L. plantarum ST‐III. Practical Application: Hypercholesterolemia is considered one of the major risk factors for coronary heart disease. More interest has focused on intestinal microbes because of their role in the decrease of serum cholesterol. BSH proteins play an important role in the reduction of cholesterol. This paper adds to a better understanding of BSH proteins of intestinal microbes. It gives a great hint that probiotics can be used to solve hypercholesterolemia one day.

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Crossref · 10.1111/j.1750-3841.2011.02431.x

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Authors
Ren, J., Sun, K., Wu, Z., Yao, J., & Guo, B.
Affiliations
Shanghai Ocean University (CN)
Corresponding author
  • Ren, Jing
  • Sun, Kejie
  • Wu, Zhengjun
  • Yao, Jing
  • Guo, Benheng
Venue
Journal of Food Science
Publisher
Wiley
Published
2011-11
Volume
76
Issue
9
Pages
M622-8
ISSN
  • 0022-1147 (ISSN-L)
  • 1750-3841
OpenAlex
W2042656295
Cited by
70
References
29
Citations by year
2026: 2 · 2025: 4 · 2024: 5 · 2023: 4 · 2022: 7 · 2021: 8 · 2020: 10 · 2019: 8 · 2018: 8 · 2017: 4 · 2016: 1 · 2015: 1 · 2014: 4 · 2013: 3 · 2012: 1
FWCI
3.74
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Food Science (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Program of Shanghai Subject Chief Scientist
  • National Key Research and Development Program of China
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Steroid Chemistry and Biochemistry
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
Keywords
bile salt hydrolase, bile salt hydrolysis, glycodeoxycholic acid, substrate preference, hypercholesterolemia, serum cholesterol reduction, probiotics, gut microbiota, fat metabolism
MeSH terms
Amidohydrolases, Amino Acid Sequence, Bile Acids and Salts, Chromatography, High Pressure Liquid, Cloning, Molecular, Escherichia coli, Genes, Bacterial, Hydrolysis, Molecular Sequence Data, Gene Expression Regulation, Bacterial, Lactobacillus plantarum, Lactiplantibacillus plantarum

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