Streptococcus属の示す2つの生育阻止現象の比較(Sporolactobacillus inulinusの乳酸菌による生育阻止現象-2-)

概要

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1. The phenomenon of the hinder zone formation on the plate of Sporolactobacillus inulinus by Streptococcus liquefaciens was further pursued. The previous supposition that this phenomenon would be caused with an interaction between living cells could not be denied conclusively by microfilter techniques. The lysis of cells occurred only at the lag phase of Sporolactobacillus inulinus. Stepwise observations by electron microscope suggested that this phenomenon might be a release of cellular plasm from a weak point of cell-surface. 2. Antibiotic substance of Sc. faecalis was stable in a wide pH range between 2 and 11. It was inactive against Gram-negative bacteria and representative Gram-positive Staphyrococcus aureus, but active to about 30% strains of genus Bacillus. It was widely active against the strains of lactic acid bacteria, and its activity was the strongest against Sporolactobacillus inulinus.
社団法人日本農芸化学会の論文