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- Title
Survival of Lactobacillus helveticus strain CP53 in the human gastrointestinal tract.
- Authors
Shinoda, T.; Kusuda, D.; Ishida, Y.; Ikeda, N.; Kaneko, K.; Masuda, O.; Yamamoto, N.
- Abstract
T. SHINODA, D. KUSUDA, Y. ISHIDA, N. IKEDA, K. KANEKO, O. MASUDA AND N. YAMAMOTO. 2001. A strain of Lactobacillus helveticus carrying the cryptic plasmid pCP53 was used for a detailed analysis of the survival and persistence of this organism in the faeces of volunteers administered oral doses of the strain. The CP53 strain had high affinity for Caco-2 cells, but displayed low bile acid resistance in vitro. Rifampicin-resistant colonies could be reisolated from the faeces of four of seven subjects fed with the rifampicin-resistant CP53 derivative strain. Moreover, the recovery of cells, as estimated by plasmid analysis, was higher than that estimated by measuring the number of rifampicin-resistant cells. From these results, we conclude that the CP53 strain can survive passage through the gastrointestinal tract.
- Publication
Letters in Applied Microbiology, 2001, Vol 32, Issue 2, p108
- ISSN
0266-8254
- Publication type
Article
- DOI
10.1046/j.1472-765x.2001.00870.x