Journal
MICROBIOLOGY AND IMMUNOLOGY
Volume 50, Issue 11, Pages 867-870Publisher
WILEY
DOI: 10.1111/j.1348-0421.2006.tb03862.x
Keywords
probiotics; lactobacilli; intestine; species-specific primer
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The monitoring and survival of Lactobacillus gasseri SBT2055 in the human intestinal tract was investigated with seven healthy subjects having a low number of fecal lactobacilli. An increase of fecal lactobacilli (10(3.2-5.2) CFU/g feces) was recognized after ingestion of yogurt with SBT2055 by the subjects. A high positive rate of L. gasseri in fecal lactobacilli detected from the subjects (over 70% at 2nd weeks of feeding) was also observed during the ingestion period using the species-specific PCR system. These findings indicate that the SBT2055 strain in yogurt survived in the human intestinal tract and was recovered from human feces.
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