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KMID : 1024620060260040497
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Food Science of Animal Resources
2006 Volume.26 No. 4 p.497 ~ p.502
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Adhesion of Bifidobacteria to Caco-2 Cells and in Relation to Cell Surface Hydrophobicity
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Lim Kwang-Sei
Huh Chul-Sung
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Abstract
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The adhesion of 16 bifidobacterial strains, including 10 isolates from Korea infants, to Caco-2 cells and their cell surface hydrophobicity were tested. The results of adhesion and cell surface hydrophobicity of for various bifidobacterial strains were obtained and correlations between adhesion and hydrophobicity were strain-dependent properties. Any correlations between species of tested strains were not observed. Among the tested strains, Bifidobacterim longum D6, B. longum H4, B. thermophilum ATCC 25525, B. suis ATCC 27533, and B. animalis subsp. lactis BB12 had higher adherent properties and B. bifidum B3, B. longum D6, B. longum stronger hydrophobicity, respectively. Due to the strain-dependant correlation between adhesion to Caco-2 cells and cell surface hydrophobicity of bifidobacteria, these results provide a possible method for preliminary selection of bifidobacteria potentially adherent to Caco-2 cells by means of cell surface hydrophobic properties.
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KEYWORD
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bifidobacteria, cell surface hydrophobicity, adhesion, Caco-2 cell
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