Bile tolerant Lactobacillus reuteri isolated from pig feces inhibits enteric bacterial pathogens and porcine rotavirus = 로타바이러스와 장내병원균을 억제하는 담즙내성 유산균 L.reuteri의 분리연구

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Title
Bile tolerant Lactobacillus reuteri isolated from pig feces inhibits enteric bacterial pathogens and porcine rotavirus = 로타바이러스와 장내병원균을 억제하는 담즙내성 유산균 L.reuteri의 분리연구
Author(s)
B J Seo; M R Mun; R Kumar V J; C J Kim; I Lee; Young Hyo Chang; Y H Park
Bibliographic Citation
Veterinary Research Communications, vol. 34, no. 4, pp. 323-333
Publication Year
2010
Abstract
Lactic acid producing bacterial strain Probio-16 was isolated from the swine excrements under anaerobic conditions and characterized by morphology and biochemical characteristics. The strain was further identified by 16S rRNA gene sequencing and phylogeneitc analysis. The antimicrobial activity of the strain was assayed by testing for growth inhibition of thirteen pathogenic microorganisms. The train was tested for antiviral activity against porcine rotavirus in vitro in African green monkey epithelial cell line TF-104. Antibiotic susceptibility of the strain against 13 antibiotics was tested using disk diffusion method. Phenotypically and through 16S rRNA gene sequences, Probio-16 was identified and named as Lactobacillus reuteri Probio-16. This strain was resistant to pH 2.0, 5% porcine bile and exhibited antimicrobial activity against all the thirteen enteric bacterial pathogens tested. Probio- 6 supernatant inhibited porcine rotavirus in vitro in TF-104 cell lines. Except for rythromycin and penicillin G at a concentration of 4 μg/ml, Probio-16 showed resistance o all other thirteen antibiotics tested. This study indicates L. reuteri Probio-16 as a novel strain with its tolerance to low pH and bile, antimicrobial activity, antibiotic resistance and antiviral activity against rotavirus, and an ideal probiotic candidate for animal and human application after the proper in vivo experiments.
Keyword
AntimicrobialAntiviralLactobacillus reuteriPorcine rotavirusProbiotics
ISSN
0165-7380
Publisher
Springer
DOI
http://dx.doi.org/10.1007/s11259-010-9357-6
Type
Article
Appears in Collections:
Ochang Branch Institute > Division of National Bio-Infrastructure > Bio-Infrastructure Policy Support Center > 1. Journal Articles
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