| abstract |
There is provided a method for controlling a targetnmicroorganism characterized in that an extrinsicnenvironmental factor is added to a culture system wherensaid target microorganism and other microbes coexist,nsaid extrinsic environmental factor providing a desirablengrowth condition for the other microorganisms but annundesirable growth condition for the targetnmicroorganism, and said extrinsic environmental factor isntypically an organic substance that is assimilable by thenabove other microorganisms but not by the targetnmicroorganism, and includes a sugar, an amino acid, annalkanol amine, an organic acid, and the like. |