乳糖ペプトン培地におけるLactobacillus acidophilusとEscherichia coliの好気的ならびに嫌気的混合培養と両菌株の増殖〔英文〕

概要

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The purpose of this study was to help clarify the interaction between Lacto-bacillus acidophilus and Escherichia coli when both were grown together. L. acidophilus IFO 3205 and E. coli K-12 were selected and incubated together for 24 hrs at 37℃ in LPY-medium under both aerobic and anaerobic conditions. L. acidophilus extremely exceeded E. coli in their cell counts after 24 hrs' incubation under aerobic condition in all combination of inoculation sizes when inoculation sizes of both strains were almost the some order of 10w cell counts per milliliter. Superior growth of L. acidophilus to E. coli was observed to be more significant when both were incubated under anaerobic condition. The significance of this phenomenone have been discussed with special respects to the behaviour of L. acidophilus in the human intestinal tract.
信州大学農学部の論文