Probiotic properties of Lactobacillus and Bifidobacterium strains isolated from porcine gastrointestinal tract

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Title
Probiotic properties of Lactobacillus and Bifidobacterium strains isolated from porcine gastrointestinal tract
Author(s)
P I Kim; Min Young Jung; Young-Hyo Chang; S Kim; S J Kim; Y H Park
Bibliographic Citation
Applied Microbiology and Biotechnology, vol. 74, no. 5, pp. 1103-1111
Publication Year
2007
Abstract
One strain of Lactobacillus salivarius, two strains of Lactobacillus reuteri and Lactobacillus amylovorus, and two strains of Bifidobacterium thermacidophilum with antagonistic effect against Clostridium perfringens were isolated from porcine gastrointestinal tract. Isolates were assayed for their ability to survive in synthetic gastric juice at pH 2.5 and were examined for their ability to grow on agar plate containing porcine bile extract. There was a large variation in the survival of the isolates in gastric juice and growth in the medium containing 0.3% (w/v) bile. L. salivarius G11 and L. amylovorus S6 adhered to the HT-29 epithelial cell line. Cell-free supernatant of L. amylovorus S6 showed higher antagonistic activity as effective as the antibiotics such as neomycin, chlortetracycline, and oxytetracycline against bacterial pathogens including C. perfringens, Salmonella typhimurium, Staphylococcus aureus, Vibrio cholerae, Edwardsiella tarda, and Aeromonas salmonicida subsp. salmonicida.
Keyword
antagonistic effectbifidobacterium thermacidophilumclostridium perfringenslactobacillus amylovoruslactobacillus reuterilactobacillus salivarius
ISSN
0175-7598
Publisher
Springer
DOI
http://dx.doi.org/10.1007/s00253-006-0741-7
Type
Article
Appears in Collections:
Ochang Branch Institute > Division of Bioinfrastructure > ABS Research Support Center > 1. Journal Articles
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