期刊
ANAEROBE
卷 34, 期 -, 页码 169-173出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.anaerobe.2015.06.003
关键词
Propionibacteria; Selection criteria; Adhesion; IPEC-J2 cells
类别
The main topic of this paper is the evaluation of adhesion of propionibacteria to IPEC-J2 cells and the survival at pH 2.5 and with 0.3% bile salts added, bioactivity towards pathogens and antibiotic resistance of Propionibacterium freudenreichii subsp. shermanii, Propionibacterium jensenii, Propionibacterium acid-ipropionici and Propionibacterium thoenii. Adhesion to IPEC-J2 cell lines was ca. 25-35% and significantly increased with CaCl2. Moreover, propionibacteria showed a reduction of cell count of ca. 0.5% at pH 2.5 after 3 h, whereas cell count increased after 24 h with bile salts; finally, they significantly inhibited Escherichia coli O157:H7. (C) 2015 Elsevier Ltd. All rights reserved.
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