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Characterization of Lactobacillus spp. isolated from the feces of breast-feeding piglets

Paper ID Volume ID Publish Year Pages File Format Full-Text
21984 43247 2009 5 PDF Available
Title
Characterization of Lactobacillus spp. isolated from the feces of breast-feeding piglets
Abstract

Lactobacillus spp., referred to as IJ-1 and IJ-2, were isolated from the feces of breast-feeding piglets and analyzed for probiotic properties. According to the analyses of 16S rDNA sequence, Lactobacillus sp. IJ-1 showed greater than 99% homology with Lactobacillus reuteri DSM 20016T, and Lactobacillus sp. IJ-2 had greater than 99% homology with the L. gasseri ATCC 33323T and L. johnsonii ATCC 33200T. The pH changes in the culture media of Lactobacillus sp. IJ-1 and Lactobacillus sp. IJ-2 were from 6.5 to 4.2 and 4.6, respectively. Their respective resistance against artificial gastric acid and artificial bile acid led to survival rates of nearly 186 ± 44% and 13 ± 5%. Neither strain produced the carcinogenic enzyme β-glucuronidase. Both strains inhibited the growth of pathogenic microorganisms, such as Listeria monocytogenes ATCC 19111, Salmonella enterica KCTC 12401, Salmonella enteritidis ATCC 13076, Staphylococcus aureus KCTC 3881, and Bacillus cereus 3711, within 24 h of growth.

Keywords
Probiotics; Lactobacillus spp.; Breast-feeding piglet; Feces; Pathogenic microorganisms
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Characterization of Lactobacillus spp. isolated from the feces of breast-feeding piglets
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Bioscience and Bioengineering - Volume 108, Issue 3, September 2009, Pages 194–198
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
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Price was $35.95
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