| Involvement of trihydroxyconjugated bile salts in cholesterol assimilation by bifidobacteria. | |
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MedLine Citation:
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PMID: 9003583 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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To determine the conditions of cholesterol assimilation,various strains of Bifidobacterium species were cultured in the presence of cholesterol and bile salts. During culturing, Bifidobacterium breve ATCC 15700 assimilates cholesterol in the presence of oxgall at pH values lower than 6. This strain was selected to study the influence of conjugated (taurocholic acid) and deconjugated (cholic acid) bile salts on cholesterol assimilation. B. breve ATCC 15700 assimilated cholesterol(up to 51%) when cultures were undertaken in the presence of taurocholic acid, whereas less than 13% of the initial amount ofcholesterol was measured in the cells in the presence of cholic acid. Cultured in the presence of six individual di- or trihydroxyconjugated bile salts, bifidobacteria strains assimilated cholesterol. This assimilation appeared to be more important in the presence of trihydroxyconjugated bile salts (tauro- and glycocholic acids). It is concluded thattrihydroxyconjugated bile salts are involved in the assimilation of cholesterol by bifidobacteria. |
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Authors:
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K Tahri; J P Grill; F Schneider |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Current microbiology Volume: 34 ISSN: 0343-8651 ISO Abbreviation: Curr. Microbiol. Publication Date: 1997 Feb |
Date Detail:
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Created Date: 1997-03-21 Completed Date: 1997-03-21 Revised Date: 2009-11-03 |
Medline Journal Info:
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Nlm Unique ID: 7808448 Medline TA: Curr Microbiol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 79-84 Citation Subset: B |
Affiliation:
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Université Henri Poincaré-Nancy I, Laboratoire de Chimie Biologique I, BP 239, 54506 Vandoeuvre lès Nancy Cedex, France. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Bifidobacterium / growth & development, metabolism* Bile / metabolism* Cattle Cholagogues and Choleretics / pharmacology Cholesterol / analysis, metabolism*, pharmacology* Cholic Acid Cholic Acids / pharmacology Kinetics Taurocholic Acid / pharmacology |
| Chemical | |
Reg. No./Substance:
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0/Cholagogues and Choleretics; 0/Cholic Acids; 57-88-5/Cholesterol; 81-24-3/Taurocholic Acid; 81-25-4/Cholic Acid |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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