Abstract
The production of amylase and proteinase by the washed cell suspension of Bacillus subtilis var. amyloliquefaciens was inhibited by glycine, β-alanine and γ-aminobutyric acid in a decreasing order of effectiveness. The inhibition was competitively restored by the addition of amino acids such as alanine or glutamic acid. By the addition of alanine, the incorporation and distribution pattern of glycine-C14 into various cellular fractions were not affected, but the amino acid content of cells was increased. Tracer experiments suggested that 20 to 30 per cent of free glycine present in the cells was loosely associated with membrane lipid.
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