Food Science of Animal Resources (한국축산식품학회지)

Korean Society for Food Science of Animal Resources (한국축산식품학회)
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Adhesion of Bifidobacteria to Caco-2 Cells and in Relation to Cell Surface Hydrophobicity

비피도박테리아의 Caco-2 세포에 대한 부착성과 세포 표면 소수성

  • Published : 2006.12.31
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Abstract

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.

한국인 유아의 분변에서 분리한 10종의 분리균주를 포함하여 총 16종의 bifidobacteria에 대한 Caco-2 세포에 대한 부착성과 세포 표면 소수성을 측정하였다. 부착성과 세포 표면소수성 모두 균주에 따라 상이한 결과를 나타내었으며 균종에 따른 경향은 관찰되지 않았다. 실험 균주 중에서 B. longum D6, B. longum H4, B. breve Ml, B. thermophilum ATCC 25525, B. suis ATCC 27533, B. animalis subsp. lactis BB12 균주가 세포 표면 소수성이 높게 나타났으며, Caco-2 세포에 대한 부착성은 B. bifidum B3, B. longum D6, B. longum H4, B. thermophilum ATCC 25525, B. suis ATCC 27533, B. animalis subsp. lactis BB12, B. longum 2 등이 우수하였다. 또한 Caco-2세포에 200개 이상이 부착되는 실험 균주는 모두 60% 이상의 세포 표면 소수성을 나타내고 있으므로, 부착성이 우수한 균주 선발 시 분리 균주의 세포 표면 소수성을 측정하여 선발하는 것이 가능하다고 판단되었다.

Keywords

References

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